US Pat. No. 9,867,756

EYESIGHT-PROTECTION IMAGING SYSTEM AND EYESIGHT-PROTECTION IMAGING METHOD

BEIJING ZHIGU RUI TUO TEC...

1. A system, comprising:
an adjustable lens module configured to form an image of an object determined to be viewed by an eye;
an imaging parameter adjustment module configured to periodically adjust at least one imaging parameter of the adjustable
lens module according to a preset time period and an adjustment criterion, wherein the adjustment criterion comprises: periodically
changing the at least one imaging parameter of the adjustable lens module within a set adjustment range; and

a lens adjustment module configured to adjust the adjustable lens module according to the at least one imaging parameter.

US Pat. No. 9,749,684

MULTIMEDIA PROCESSING METHOD AND MULTIMEDIA APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
obtaining, by a device comprising a processor according to sound data, sound information that corresponds to a sound having
at least one predefined feature, wherein the sound information comprises: object information corresponding to the sound having
the at least one predefined feature;

determining a display area corresponding to the sound information according to image data associated with the sound data,
a current image display parameter and the sound information;

obtaining, according to the display area, information about a perceptual sound source location that corresponds to the sound
information; and

processing the sound data according to the information about the perceptual sound source location and a current sound playback
parameter to obtain processed sound data corresponding to the information about the perceptual sound source location.

US Pat. No. 9,870,050

INTERACTIVE PROJECTION DISPLAY

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
obtaining, by an interactive projection display system comprising a processor, to-be-displayed location information corresponding
to a coordination device, wherein a to-be-displayed location corresponding to the to-be-displayed location information is
located near the coordination device;

obtaining, by the interactive projection display system, display information corresponding to the coordination device;
generating, by the interactive projection display system according to the display information, virtual display content corresponding
to the coordination device; and

projecting, by the interactive projection display system, the virtual display content to a location on a fundus of an eye
corresponding to the to-be-displayed location information, such that the visual display content is perceived by the eye to
be located at the to-be-displayed location.

US Pat. No. 9,843,575

WIRELESS NETWORK AUTHENTICATION METHOD AND WIRELESS NETWORK AUTHENTICATION APPARATUS

Beijing Zhigu Rui Tuo Tec...

1. A wireless network authentication method, implementable by a client device, wherein the method comprises:
generating, at the client device, a to-be-verified address according to history access information related to a target access
point (AP), wherein the to-be-verified address is used to identify an identity of the client device, and wherein the history
access information related to the target AP is access information of the client device to the target AP; and

sending an authentication request comprising the to-be-verified address to the target AP, causing the target AP to identify
and verify the identity of the corresponding client device based on the history access information, to provide a network service
for the client device which accessed to the target AP previously, such that the client device obtains network access via the
target AP with the to-be-verified address instead of providing an access password.

US Pat. No. 10,038,853

IMAGE CAPTURE CONTROL METHODS AND APPARATUSES

Beijing Zhigu Rui Tuo Tec...

1. An image capture control method, comprising:acquiring motion information of an object during the process of image capture by an image sensor;
determining, according to the motion information, a relative displacement of a sub-image that corresponds to the object on the image sensor within a first exposure duration;
determining, in the image sensor, a first imaging region that corresponds to the relative displacement and that has not performed any image capture;
adjusting an image capture control parameter of the first imaging region, to shorten an exposure duration of the first imaging region; and
performing, according to the image capture control parameter after being adjusted, an image capture on the first imaging region.

US Pat. No. 9,923,535

NOISE CONTROL METHOD AND DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
acquiring, by a device comprising a processor, noise information of an ambient environment;
in response to determining that the noise information satisfies a predetermined condition, acquiring, by the device, a first
message from a first device, wherein the first message comprises sound sampling information, and the first device is remote
from the device;

determining, by the device, whether the noise information is related to the first device based on the sound sampling information
matching the noise information according to a matching criterion; and

in response to the noise information being determined to be related to the first device, sending, by the device, a second
message to the first device that instructs the first device to adjust a volume.

US Pat. No. 9,742,502

INTERACTION METHODS AND SYSTEMS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
in response to contact between a user body and an object, receiving, by a system comprising a processor, a wave signal from
a signal source disposed in the object that is transmitted using a medium comprising at least a part of the user body; and

identifying the object according to a signal characteristic of the received wave signal and another signal characteristic,
corresponding to a known object, of another received wave signal from a signal source disposed in the known object, wherein
signal sources disposed in the object and the known object transmit a same initial wave signal, and the signal characteristic
is affected by propagation of the wave signal through at least a portion of the object.

US Pat. No. 9,756,582

BROADCASTING, AND SCANNING FOR WIRELESS COMMUNICATION

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
sending, by a device comprising a processor, a broadcasting packet by using a current power and listening;
when a request is detected by the listening, recording the current power as a historical power, and decreasing the current
power; and

determining whether a current broadcasting event is ended, and, in response to the current broadcasting event being determined
to have ended, determining the historical power as a reference working power, and otherwise, returning to the broadcasting
and the listening.

US Pat. No. 10,136,117

VIDEO DISPLAY CONTROL METHODS AND APPARATUSES AND DISPLAY DEVICES

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:acquiring, by a system comprising a processor, interframe differences between every two adjacent frames in at least two adjacent video frames in a sequence of a video;
determining a display image distance of at least one video frame in the at least two video frames at least according to respective interframe differences of the interframe differences, wherein the display image distance is a depth of a plane on which an image of the at least one video frame is displayed; and
controlling a display device to display the at least one video frame at least according to the display image distance of the at least one video frame.

US Pat. No. 9,877,015

USER INFORMATION EXTRACTION METHOD AND USER INFORMATION EXTRACTION APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A user information extraction method, comprising:
acquiring an image comprising at least one digital watermark;
acquiring user related information corresponding to a user and comprised in the at least one digital watermark in the image;
projecting the user related information to a fundus of the user; and
adjusting at least one projection imaging parameter of an optical path between a projection location of the user related information
and an eye of the user until an image of the user related information formed at the fundus of the user satisfies at least
one defined first clarity criterion.

US Pat. No. 9,917,948

CALL PROCESSING METHOD AND APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
acquiring, by a device comprising a processor, multimedia data associated with a calling subscriber identity before a call
ends, wherein the calling subscriber identity identifies a subscriber that initiates the call;

determining whether the call satisfies a preset call processing condition according to the multimedia data from the calling
subscriber identity; and

processing the call in response to determining that the call processing condition is satisfied, wherein:
the call processing condition comprises at least one first emotion type; and
the determining whether the call satisfies the preset call processing condition according to the multimedia data from the
calling subscriber identity comprises:

determining an emotion type of the calling subscriber identity according to the multimedia data from the calling subscriber
identity; and

determining whether the emotion type of the calling subscriber identity matches the at least one first emotion type.

US Pat. No. 10,123,024

IMAGE PROCESSING METHODS AND IMAGE PROCESSING APPARATUSES

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:determining, by a system comprising a processor, at least one region of interest in an image;
determining parameters of interest for pixels within the image at least according to a distribution of the at least one region of interest in the image;
determining target positions for the pixels according to the parameters of interest for the pixels and a reduction ratio; and
generating, according to the target positions of the pixels, a reduced image corresponding to the image.

US Pat. No. 10,002,293

IMAGE COLLECTION WITH INCREASED ACCURACY

BEIJING ZHIGU RUI TUO TEC...

1. An image collection system, comprising:a gaze point detection device configured to detect, with respect to a user, a location of a gaze point of the user; and
at least one image collection device configured to focus and collect at least one first image according to the location of the gaze point;
wherein the gaze point detection device comprises:
a fundus image collection module configured to collect at least one second image of a fundus of the user, wherein the at least one second image of the fundus of the user comprises an image of the fundus or a light spot pattern projected to the fundus;
at least one adjustable lens module configured to adjust at least one imaging parameter of an optical path between the fundus image collection module and an eye of the user until the fundus image collection module obtains at least a subset of the at least one second image that satisfies at least one defined clarity criterion; and
an image processing module configured to process at least the subset of the at least one second image that satisfies the at least one defined clarity criterion, obtain the at least one imaging parameter corresponding to at least the subset of the at least one second image that satisfies the at least one defined clarity criterion and an optical axis direction of the eye, and determine the location of the gaze point of the user.

US Pat. No. 9,990,047

INTERACTION METHOD BETWEEN PIECES OF EQUIPMENT AND USER EQUIPMENT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:obtaining, by a user equipment comprising a processor, first motion information of the user equipment;
obtaining, by the user equipment, second motion information of an eye associated with a user identity from a near-to-eye equipment; and
executing, by the user equipment, an interaction operation with the near-to-eye equipment in response to the first motion information being determined to match the second motion information, wherein the first motion information being determined to match the second motion information is based on an actual motion of the user equipment and a determined motion for an object on which the eye is focused in a manner that is determined to be consistent.

US Pat. No. 9,961,335

PICKUP OF OBJECTS IN THREE-DIMENSIONAL DISPLAY

Beijing Zhigu Rui Tuo Tec...

1. A pickup device, comprising:a memory that stores executable modules; and
a processor, coupled to the memory, that executes the executable modules to perform operations of the pickup device, the executable modules comprising:
a gaze point information acquisition module configured to acquire a first location information, with respect to a user, about a gaze point of an eye of the user; and
an object determination module configured to determine an object that was picked up according to a second location information about the user, motion posture information about the user, the first location information and distribution information about a plurality of objects in a display space;
wherein the gaze point information acquisition module comprises:
an image collection submodule configured to collect at least one first image of a fundus of the eye;
an adjustable imaging submodule configured to adjust at least one imaging parameter of an optical path between the image collection submodule and the eye until the image collection submodule obtains at least one second image that satisfies at least one defined clarity criterion; and
an image processing submodule configured to process the at least one first image, and obtain the first location information according to the at least one imaging parameter corresponding to the at least one second image that satisfies the at least one defined clarity criterion and at least one optical parameter of the eye.

US Pat. No. 9,959,841

IMAGE PRESENTATION CONTROL METHODS AND IMAGE PRESENTATION CONTROL APPARATUSES

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:acquiring, by a system comprising a processor, at least one piece of background information corresponding to a field of view of at least one eye of a user according to a sampling policy, wherein the at least one piece of background information comprises texture information, wherein the sampling policy comprises a sampling period, and wherein the sampling period is based on a background attribute of a background corresponding to the field of view;
adjusting, according to the at least one piece of background information, at least one presentation parameter corresponding to at least one image, wherein the at least one presentation parameter comprises at least one of the following: a zooming parameter, a presentation region parameter of the at least one image, or a content distribution parameter of at least one piece of content in the at least one image; and
presenting, via a display device of the system, the at least one image to the at least one eye according to the at least one presentation parameter that is adjusted by near-to-eye presentation.

US Pat. No. 9,911,214

DISPLAY CONTROL METHOD AND DISPLAY CONTROL APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
determining, by a device comprising a processor, a first display area, in a field of view (FOV) of a user, of an image displayed
on a main display device;

determining, according to the first display area, a second display area of at least one near-to-eye display device in the
FOV of the user;

obtaining augmentation information according to the image; and
using the at least one near-to-eye display device to display the augmentation information in the second display area.

US Pat. No. 9,876,744

INFORMATION SENDING METHOD AND INFORMATION SENDING APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, performed by a device comprising a processor that is independent from a sender device and at least one target
receiving device, the method comprising:
receiving target information that was sent to the at least one target receiving device by the sender device;
determining, according to state information of a receiver device corresponding to the at least one target receiving device,
a forwarding policy of forwarding the target information to the receiver device, the state information comprising information
about an application state of an application of the receiver device or a system state of the receiver device; and

performing the forwarding of the target information to the receiver device according to the forwarding policy, resulting in
the target information being acquired by the receiver device without changing the state of the receiver device corresponding
to the state information.

US Pat. No. 10,082,867

DISPLAY CONTROL METHOD AND DISPLAY CONTROL APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:determining, by a device comprising a processor, a first display area, of an image displayed on a main display device, in a field of view (FOV) of a user;
determining, by the device, a second display area, of the at least one near-to-eye display device, in the FOV of the user according to the first display area;
dividing, by the device, the image according to display capabilities of the main display device and at least one near-to-eye display device, the first display area, the second display area, and an attribute of the image; and
controlling, by the device, a display of the at least one near-to-eye display device in accordance with a result of the dividing of the image, wherein the main display device displays a part of the image and the at least one near-to-eye display device displays the rest of the image.

US Pat. No. 9,961,661

DETERMINATION OF A COMMUNICATION OBJECT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:receiving, by a device comprising a processor, sensor data from at least one target device comprising a target device;
determining, by the device, a communication object from the at least one target device according to the sensor data of the target device and image information of a visual object, wherein the sensor data comprises data indicative of an action or a change in gesture generated in conjunction with a holder or carrier of the target device performing the action or the change in gesture; and
sending, by the device, a connection request to the communication object;
wherein the determining the communication object comprises:
determining the communication object from the at least one target device corresponding to the sensor data that is capable of matching the image information of the visual object.

US Pat. No. 9,949,343

ILLUMINATION CONTROL METHODS AND APPARATUSES AND DEVICES HAVING PHOTOGRAPHING FUNCTION

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:determining, by a system comprising a processor, a to-be-adjusted region for optical parameter adjustment in a photograph framing image;
determining, by the system according to light source modulation information carried in received imaging rays corresponding to the to-be-adjusted region, mappings between at least one image pixel of the to-be-adjusted region and one or more external light source;
determining, by the system, at least one external light source of the one or more external light sources to be illumination controlled according to the mappings;
determining, by the system, illumination control instruction information of the to-be-adjusted region; and
sending, by the system, the illumination control instruction information to the at least one external light source to instruct the at least one external light source to perform at least one optical adjustment according to the illumination control instruction information.

US Pat. No. 9,939,889

INTERACTION METHODS AND SYSTEMS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:sending, by a system comprising a processor, a first wave signal;
receiving, by the system, a second wave signal that corresponds to the first wave signal after the first wave signal is transmitted using a medium comprising at least a part of a user body; and
determining, by the system, whether the user body contacts an object based on a comparison of a signal characteristic of the second wave signal and a reference signal characteristic.

US Pat. No. 9,905,215

NOISE CONTROL METHOD AND DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
receiving, by a device comprising a processor, a noise control message from an external device, wherein the noise control
message comprises: a noise intensity value, a predetermined threshold, noise sampling information, and a corresponding sampling
time; and

adjusting a volume based on a volume adjustment policy based on the noise control message and a current volume of the device,
wherein the adjusting the volume comprises:

determining a target volume based on the noise intensity value, the predetermined threshold, the current volume, the noise
sampling information and the corresponding sampling time; and

performing the adjusting of the volume based on the target volume,
wherein the determining the target volume comprises:
matching the noise sampling information with a sound output record of the device to determine a sounding time of the noise
sampling information;

determining a distance based on a time difference between the sampling time and the sounding time;
obtaining a first sub-noise intensity value in the noise intensity value based on the distance and the current volume;
obtaining a second sub-noise intensity value based on the noise intensity value and the first sub-noise intensity value; and
determining the target volume based on the predetermined threshold, the first sub-noise intensity value, the second sub-noise
intensity value and the current volume.

US Pat. No. 9,888,186

IMAGE ACQUISITION METHOD AND IMAGE ACQUISITION APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
obtaining, by a device comprising a processor, at least two images of different image quality of a target scene; and
combining, according to data characteristics of the at least two images, the at least two images locally to obtain a target
image, wherein the combining, according to the data characteristics of the at least two images, the at least two images locally
to obtain the target image comprises:

using a first partial region of a first image of a first resolution and a first dynamic range in the at least two images to
replace a first corresponding region of a second image of a second resolution and a second dynamic range in the at least two
images, to obtain the target image, wherein the first resolution is lower than the second resolution, and wherein the first
dynamic range is greater than the second dynamic range, or

using a second partial region of the first image of the first resolution and a first signal-to-noise ratio in the at least
two images to replace a second corresponding region of the second image of the second resolution and a second signal-to-noise
ratio in the at least two images, to obtain the target image, wherein the first resolution is lower than the second resolution,
and wherein the first signal-to-noise ratio is greater than the second signal-to-noise ratio.

US Pat. No. 9,838,588

USER INFORMATION ACQUISITION METHOD AND USER INFORMATION ACQUISITION APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A user information acquisition method, comprising:
acquiring an image comprising at least one digital watermark;
acquiring user related information corresponding to a current user and comprised in the at least one digital watermark, wherein
the user related information comprises application startup information used to start a corresponding application; and

projecting the user related information to a fundus of the user.

US Pat. No. 10,069,661

COMMUNICATION METHOD AND COMMUNICATION NODE FOR DEVICE-TO-DEVICE DIRECT COMMUNICATION

BEIJING ZHIGU RUI TUO TEC...

15. A communication node, comprising:a memory that stores executable modules; and
a processor, coupled to the memory, that executes or facilitates execution of the executable modules, comprising:
a receiving module configured to receive an interference signal from an interference node;
a combining module configured to combine the interference signal and a to-be-sent signal resulting in a combined signal; and
a sending module configured to send the combined signal in a manner in which the combined signal are receivable by at least one second node,
wherein the first node is at least in a full-duplex mode in a radio resource for sending the combined signal, and
wherein the at least one second node is configured to receive, in the radio resource, the combined signal sent by the first node, and receive the interference signal from the interference node.

US Pat. No. 9,867,532

SYSTEM FOR DETECTING OPTICAL PARAMETER OF EYE, AND METHOD FOR DETECTING OPTICAL PARAMETER OF EYE

BEIJING ZHIGU RUI TUO TEC...

1. A system, comprising:
an image collection apparatus configured to collect at least one image presented by a fundus of an eye;
an imaging apparatus configured to adjust at least one imaging parameter of an optical path between the eye and the image
collection apparatus, wherein the image collection apparatus obtains an image of the at least one image that satisfies at
least a defined clarity criterion; and

an image processing apparatus configured to process the image to obtain at least one optical parameter of the eye in response
to the image collection apparatus obtaining the image that satisfies at least the defined clarity criterion, wherein the image
processing apparatus comprises a parameter calculation module configured to determine the at least one optical parameter of
the eye according to the image that satisfies the at least the defined clarity criterion and the at least one imaging parameter
corresponding to a time when the image that satisfies the at least the defined clarity criterion was obtained.

US Pat. No. 10,152,580

INTERACTION METHOD AND DISPLAY DEVICE

Beijing Zhigu Rui Tuo Tec...

1. An interaction method, comprising:determining, by a display device, first information at least according to a contact manner between the display device and a user, wherein the contact manner is unrelated to biometric information of the user;
obtaining third information at least according to the first information and second information to be provided for the user; and
displaying the third information,
wherein the second information comprises real information to be provided to the user by the display device, the third information comprises disguised information corresponding to the real information; and the first information comprises assistant information used for transforming the real information to the disguised information.

US Pat. No. 10,055,564

BIOMETRIC AUTHENTICATION, AND NEAR-EYE WEARABLE DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. A biometric authentication method, comprising:obtaining, by a system comprising a processor in response to an access request, verification information for biometric authentication and at least one piece of depth information corresponding to at least one presentation depth of the verification information, wherein the verification information comprises a plurality of image elements, and a presentation depth of each of the plurality of image elements is different from that of another image element in the plurality of image elements;
presenting the verification information at the at least one presentation depth according to the at least one piece of depth information;
obtaining verification input information in response to a verification input operation corresponding to the verification information; and
comparing the verification input information with a reference verification result, to determine whether the biometric authentication succeeds.

US Pat. No. 9,965,032

INFORMATION PROCESSING METHOD, INFORMATION PROCESSING APPARATUS AND USER EQUIPMENT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:acquiring, by a system comprising a processor, sight line information of the at least one user in a space, wherein the sight line information is based upon multiple sight lines of the at least one user in the space and includes acquisition time information of the multiple sight lines;
excluding, by the system according to the acquisition time information of the multiple sight lines, at least one noise sight line in the multiple sight lines, wherein the at least one noise sight line comprises at least one sight line from which a moving object is being watched; and
determining, by the system—at least according to the sight line information, at least one mirror object existing in the space.

US Pat. No. 9,948,864

PHOTOGRAPHY ILLUMINATION COMPENSATION METHOD, COMPENSATION APPARATUS, AND USER EQUIPMENT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:obtaining, by a system comprising a processor, at least one surface reflection characteristic of a photographed side of an object in a photographing field of view, wherein the at least one surface reflection characteristic comprises a surface shape characteristic;
obtaining first relative direction information of the object relative to a photography position related to the photographing field of view;
obtaining second relative direction information of the object relative to an illumination array, wherein the illumination array comprises multiple illumination units configured to perform illumination compensation for the photographed side; and
adjusting, at least according to the at least one surface reflection characteristic, the first relative direction information, the second relative direction information, and at least one set illumination compensation criterion, at least one illumination parameter of at least one illumination unit in the illumination array.

US Pat. No. 9,843,567

WIRELESS NETWORK SERVICE PROVISION METHOD AND SYSTEM

BEIJING ZHIGU RUI TUO TEC...

35. A non-transitory computer readable storage device comprising executable instructions that, in response to execution, cause
a system comprising a processor to perform operations, comprising:
in response to receiving a signal from an object via a signal interface, determining a location of the object and determining
that the object is entering a first area;

authenticating the object in response to the object being determined to be entering the first area, wherein the first area
is a physical space where a specific function or action occurs, the specific function or action being intended for a purpose
other than authentication of the object to a network service, wherein the object obtains automatic authorization to a network
service in the first area after the object successfully completes the specific function or action in the first area; and

in response to the object passing the authenticating in the first area being determined to have entered a second area, authorizing
the object to obtain a network service in the second area.

US Pat. No. 10,139,924

INFORMATION PROCESSING METHOD AND APPARATUS BASED ON DEFORMATION CONTROLLABLE DEVICE AND USER EQUIPMENT

Beijing Zhigu Rui Tuo Tec...

1. An information processing method based on a deformation controllable device, comprising:acquiring at least one piece of deformation request information for a deformation controllable device performing directional interaction with an external object, wherein the at least one piece of deformation request information requests a deformation of the deformation controllable device; and
in response to that a predicted value of effects of the deformation of the deformation controllable device corresponding to the at least one piece of deformation request information on an interaction effect parameter of the directional interaction falls beyond an acceptable effect value range, performing a first operation to cause an actual value of effects of the deformation of the deformation controllable device corresponding to the at least one piece of deformation request information on the interaction effect parameter to fall within the acceptable effect value range, and/or performing a second operation of informing a user.

US Pat. No. 10,083,675

DISPLAY CONTROL METHOD AND DISPLAY CONTROL APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:determining, by a device comprising a processor, a first display area, in a field of view (FOV) of a user, of an image displayed on a main display device; and
using at least one near-to-eye display device according to the first display area to display augmentation information related to the image.

US Pat. No. 10,037,461

BIOMETRIC AUTHENTICATION, AND NEAR-EYE WEARABLE DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:obtaining, by a system comprising a processor in response to an access request, verification information for biometric authentication and at least one piece of depth information corresponding to at least one presentation depth of the verification information;
presenting, by the system via a display device, the verification information at the at least one presentation depth according to the at least one piece of depth information;
tracking, by the system via a near-eye device, gazing directions of at least one eye of a user during the presentation of the verification information;
determining, by the system at least based on the gazing directions, gaze point depth information of the at least one eye of the user during the presentation of the verification information; and
analyzing, by the system, whether the gaze point depth information is consistent with the at least one piece of depth information, to determine whether the biometric authentication succeeds.

US Pat. No. 9,836,857

SYSTEM, DEVICE, AND METHOD FOR INFORMATION EXCHANGE

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
overlaying, by a system comprising a processor, at least one decoding template onto an encoded pattern in at least one eye
fundus of a user, to obtain a recovery pattern presented in the at least one eye fundus of the user, wherein the recovery
pattern corresponds to at least one original pattern of the encoded pattern, and the at least one decoding template corresponds
to at least one encoder forming the encoded pattern, the at least one decoding template comprises at least one decoding pattern,

wherein the overlaying the at least one decoding template onto the encoded pattern in the least one eye fundus of the user
comprises:

projecting the at least one decoding template to the at least one eye fundus of the user.

US Pat. No. 10,114,457

INTERACTION METHOD BETWEEN PIECES OF EQUIPMENT AND NEAR-TO-EYE EQUIPMENT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:obtaining, by a near-to-eye equipment comprising a processor, second motion information of an eye of a user associated with a user identity, wherein the second motion information corresponds to a motion of an object gazed at by the eye, and wherein the near-to-eye equipment is worn proximate to the eye of the user;
obtaining, by the near-to-eye equipment, first motion information of a user equipment corresponding to motion of the user equipment; and
executing, by the near-to-eye equipment, an interaction operation with the user equipment in response to determining that the user equipment is the object gazed at by the eye based on the first motion information being determined to match the second motion information.

US Pat. No. 10,009,691

SOUND CHANNEL CONFIGURATION METHOD AND APPARATUS AND EARPHONE DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:obtaining, by a device comprising a processor, heartbeat transmission signals at an earpiece and at a reference position of a human body, wherein the reference position is a position other than two ears of the human body; and
performing sound channel configuration on a signal of the earpiece at least according to the heartbeat transmission signals at the earpiece and the reference position.

US Pat. No. 9,990,048

INTERACTION METHOD BETWEEN PIECES OF EQUIPMENT AND USER EQUIPMENT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:obtaining, by a first piece of user equipment comprising a processor, first motion information of a second piece of user equipment;
obtaining, by the first piece of the user equipment, second motion information of an eye associated with a user identity from a near-to-eye equipment; and
executing, by the first piece of the user equipment, an interaction operation with at least one of the near-to-eye equipment or the second piece of user equipment in response to the first motion information being determined to match the second motion information, wherein the first motion information being determined to match the second motion information is based on an actual motion of the second piece of user equipment and a determined motion for an object on which the eye is focused in a manner that is determined to be consistent.

US Pat. No. 9,946,341

INFORMATION OBSERVATION METHOD AND INFORMATION OBSERVATION DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. An information observation method, wherein the method comprises:detecting a position of a sightline focusing point of an observer, wherein the detecting a position of a sightline focusing point of an observer comprises: capturing at least one image presented by a fundus of an eye of the observer; adjusting at least one imaging parameter of an optical path between the eye of the observer and a capture position, so as to capture at least one image that meets at least one predetermined definition standard; and according to the at least one imaging parameter of the optical path between the eye of the observer and the capture position in response to that the at least one image that meets the predetermined definition standard is captured and an optical parameter of the eye, calculating the position of the focusing point;
in response to that it is detected that the sightline focusing point of the observer moves away from an observed object, judging whether the observer has observed important information on the observed object; and
in response to that it is judged that the observer has not observed the important information on the observed object, reminding the observer.

US Pat. No. 9,961,257

IMAGING TO FACILITATE OBJECT GAZE

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:determining, by a system comprising a processor, a gazed object of a user according to an image at an eye fundus of the user; and
changing a size of a target image of the gazed object at the eye fundus according to a predetermined zooming rule.

US Pat. No. 9,892,633

REFLECTION INTERFERENCE CONTROL

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:
determining, by a system comprising a processor, according to identification information comprised in a light signal from
a reflection surface to a field of view of a user, that a reflection interference exists on the reflection surface; and

generating a control signal for lowering a level of the reflection interference, wherein
the reflection surface is a surface for displaying target content, and the reflection interference is that: the light signal
from the reflection surface to the field of view of the user comprises a desired signal and a reflection interference signal,
wherein the desired signal is a first light signal used for displaying the target content, and the reflection interference
signal is a second light signal that is transmitted by a first light source other than a second light source of the desired
signal and is reflected from the reflection surface to the field of view of the user.

US Pat. No. 10,142,752

INTERACTION WITH DEVICES

BEIJING ZHIGU RUI TUO TEC...

1. An apparatus, comprising:a loudspeaker array, comprising speaker units, wherein each speaker unit of the speaker units is configured to make sound according to an input signal, input signals corresponding to at least two speaker units in the speaker units being different;
a memory that stores executable modules; and
a processor, coupled to the memory, that executes the executable modules to perform operations of the apparatus, the executable modules comprising:
an obstacle detection module configured to detect an obstacle parameter corresponding to an obstacle inside a space on a side of a sound-making surface of the loudspeaker array; and
a compensation module configured to adjust, according to the obstacle parameter, the input signal corresponding to a speaker unit of the speaker units, to compensate for a sound-making effect of the loudspeaker array influenced by the obstacle resulting in a reduced difference between a first waveform at a target location corresponding to the loudspeaker array under the influence of the obstacle and a second waveform at the target location corresponding to the loudspeaker array when not under the influence of the obstacle.

US Pat. No. 10,108,259

INTERACTION METHOD, INTERACTION APPARATUS AND USER EQUIPMENT

Beijing Zhigu Rui Tuo Tec...

1. An interaction method, comprising:acquiring first gazing information of at least one eye of a user when watching a virtual presentation object on a location in a gazing direction, and second gazing information of the at least one eye of the user when watching a physical object on the location in the gazing direction; and
in response to that a difference between the first gazing information and the second gazing information is out of a set error range, executing an operation.

US Pat. No. 10,089,510

DISPLAY CONTROL METHODS AND APPARATUSES

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:acquiring, by a device comprising a processor, azimuth information of a lens relative to a display plane;
determining a desired display area in the display plane of display content of the display plane according to the azimuth information; and
adjusting a display position of the display content on the display plane according to the display area, resulting in an adjusted display position of the display content on the display plane, to cause the adjusted display position to match the desired display area.

US Pat. No. 10,048,750

CONTENT PROJECTION SYSTEM AND CONTENT PROJECTION METHOD

BEIJING ZHIGU RUI TUO TEC...

1. A system, comprising:a gaze point detection apparatus that detects a gaze point location of an eye of a user, wherein the gaze point detection apparatus comprises:
an image collection device that collects an image presented at a fundus of the eye;
an adjustable imaging device that adjusts an imaging parameter of an optical path between the image collection device and the eye, enabling the image collection device to obtain a clearest image; and
an image processing device that processes the image obtained by the image collection device, and determines the gaze point location of the eye according to the imaging parameter for the clearest image obtained and an optical parameter of the eye;
an image generating apparatus that generates a virtual image based on visual information and gaze point information comprising an indication of the gaze point location; and
a virtual image projection apparatus that projects the virtual image to the fundus of the eye based on the gaze point information, wherein the gaze point information comprises distance information corresponding to a distance from the gaze point location to the eye of the user.

US Pat. No. 10,048,752

INFORMATION PROCESSING METHOD, INFORMATION PROCESSING APPARATUS AND USER EQUIPMENT

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:tracking, by a system comprising a processor via at least one sight line tracking device, at least sight lines of at least one eye of at least one user in a space;
acquiring, by the system, sight line information of the at least one user in the space based on the tracking, wherein the sight line information comprises direction information, starting point information, and gaze point position information of the sight lines; and
determining, at least according to the sight line information, at least one transparent object existing in the space.

US Pat. No. 10,110,303

LIGHT-COMMUNICATION SENDING METHODS AND APPARATUS, LIGHT-COMMUNICATION RECEIVING METHODS AND APPARATUS, AND LIGHT COMMUNICATION SYSTEMS

BEIJING ZHIGU RUI TUO TEC...

1. A light-communication sending method, comprising:acquiring a first region of an image;
determining, according to the first region, information about density distribution of communication information that is to be modulated to light emitted by a light source, wherein, the density distribution of communication information corresponds to pixel density distribution of an image sensor with adjustable pixel density, and the image sensor is configured to receive the light; and
controlling the light source to display the image, and during displaying of the image, modulating, according to the information about the density distribution of the communication information, the communication information to the light emitted by the light source.

US Pat. No. 10,140,730

DISPLAY CONTROL METHODS AND APPARATUSES

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:acquiring, by a system comprising a processor, planar mapping relationship information between an imaging plane and a display plane, wherein the acquiring the planar mapping relationship information between the imaging plane and the display plane comprises:
determining the planar mapping relationship information according to multi-point position information of the display plane, multi-point position information of the imaging plane, and posture information of the imaging plane, wherein the determining the planar mapping relationship information according to the multi-point position information of the display plane, the multi-point position information of the imaging plane, and the posture information of the imaging plane comprises:
determining first mapping relationship information of multiple first points of the display plane relative to a reference coordinate system respectively according to the multi-point position information of the display plane;
determining second mapping relationship information of multiple second points of the imaging plane relative to the reference coordinate system respectively according to the multi-point position information of the imaging plane and the posture information of the imaging plane; and
determining the planar mapping relationship information according to the first mapping relationship information and the second mapping relationship information; and
deform-displaying display content on the display plane at least according to the planar mapping relationship information resulting in deformed display content, wherein the deform-displaying reduces a deformation degree of an image formed by the deformed display content on the imaging plane.

US Pat. No. 10,068,144

ASSOCIATION METHOD AND ASSOCIATION APPARATUS

Beijing Zhigu Rui Tuo Tec...

1. A method, comprising:acquiring, by a system comprising a processor, image data in a view area of an imaging device;
dividing, by the system, the view area into sub-view areas;
controlling, by the system, an antenna device to scan a sub-view area of the sub-view areas using a first directed beam;
acquiring, by the system, an attribute information set of at least one object in the sub-view area of the sub-view areas based on the first directed beam;
in response to determining that the attribute information set comprises attribute information of objects, dividing, by the system, the sub-view area or the view area into secondary sub-view areas;
controlling, by the system, the antenna device to scan a secondary sub-view area of the secondary sub-view areas using a second directed beam;
acquiring, by the system, attribute information of at least one object in a secondary sub-view area of the secondary sub-view areas based on the second directed beam; and
establishing, by the system, a correspondence between the attribute information of the at least one object in the secondary sub-view area and other image data corresponding to the secondary sub-view area.

US Pat. No. 10,149,055

LOUD-SPEAKING, LOUD-SPEAKER AND INTERACTIVE DEVICE

BEIJING ZHIGU RUI TUO TEC...

1. An apparatus, comprising:a loudspeaker array comprising multiple loud-speaking units configured to produce respective sounds according to respective input signals;
a memory that stores executable modules; and
a processor, coupled to the memory, that executes the executable modules to perform operations of the apparatus, the executable modules comprising:
a fault detection module configured to detect a fault parameter of at least one loud-speaking unit in the loudspeaker array; and
a compensation module configured to, in response to a loud-speaking unit of the at least one loud-speaking unit having a sound production fault, adjust, according to the fault parameter, respective input signals corresponding to the at least one loud-speaking unit in the multiple loud-speaking units, to compensate for a sound effect of the loudspeaker array affected by the at least one loud-speaking unit having the at least one sound production fault, wherein a difference is reduced between a first waveform generating a first sound wave at a target position and a second waveform generating a second sound wave at the target position, wherein the first waveform corresponds to the at least one loud-speaking unit having the at least one sound production fault, wherein the second waveform corresponds to another loud-speaking unit of the loudspeaker array not having the at least one sound production fault, wherein the loudspeaker array comprises at least one other loud-speaking unit other than the at least one loud-speaking unit having the at least one sound production fault in the multiple loud-speaking units, and wherein the loudspeaker array comprises loud-speaking units to be adjusted not to have the at least one sound production fault.

US Pat. No. 10,148,370

INTERFERENCE MEASURING METHOD AND INTERFERENCE MEASURING APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:determining, by a system comprising a processor, a pilot channel resource configured to send at least one directional pilot signal associated with directional device-to-device communications; and
determining, at least according to a first received state of a first pilot signal of the at least one directional pilot signal on the pilot channel resource, an interference caused by a signal associated with the directional device-to-device communications in the pilot channel resource, wherein the determining the interference comprises:
determining a second received state of a second pilot signal of the at least one directional pilot signal received, by a first base station device of a serving cell device involved in the directional device-to-device communications, in the pilot channel resource, and
determining the interference at least according to the second received state, and
determining, based on a measurement of the interference caused by the at least one directional pilot signal associated with the directional device-to-device communications, a prediction of possible interference caused by a data signal related to the directional device-to-device communications.

US Pat. No. 10,206,234

D2D COMMUNICATION CONTROL METHOD, D2D COMMUNICATION METHOD, AND APPARATUSES THEREOF

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:in response to determining that at least one party in both parties of a communication has a directional transmission capability, determining, by a system comprising a processor, to establish a device to device (D2D) communication link using directional transmission; and
determining a power control strategy associated with the directional transmission of the D2D communication link, wherein the determining the power control strategy is implemented based only on positions of the both parties of the communication when a distance between the both parties of the communication is less than a distance between a serving cell base station of the D2D communication link and each party of the both parties of the communication.

US Pat. No. 10,250,816

IMAGE CAPTURE CONTROL METHODS AND APPARATUSES

Beijing Zhigu Rui Tuo Tec...

28. An image capture control apparatus, characterized by comprising a processor and a memory, the memory storing computer executable instructions, the processor being connected to the memory through a communication bus, and when the apparatus for controlling task migration operates, the processor executing the computer executable instructions stored in the memory, so that the apparatus for controlling task migration executes operations, comprising:determining a first zone as an allowable image blur zone, the first zone being a part of a shooting scene;
determining a first imaging region that corresponds to the allowable image blur zone in an image sensor;
adjusting pixel density distributions of the image sensor, to cause a first pixel density of the first imaging region to be lower than a second pixel density of a second imaging region in the image sensor after being adjusted; and
performing, by using the image sensor after being adjusted, image capture on the shooting scene.

US Pat. No. 10,191,276

IMAGING ADJUSTMENT DEVICE AND IMAGING ADJUSTMENT METHOD

BEIJING ZHIGU RUI TUO TEC...

1. An apparatus, comprising:a memory that stores executable instructions; and
a processor, coupled to the memory, that facilitates execution of the executable instructions to perform operations, comprising:
determining imaging correction information corresponding to correcting a deformation of a first image of an object from a first viewing angle relative to a second image of the object from a second viewing angle, wherein the deformation is a perspective deformation of the first image of the object relative to the second image of the object, wherein the perspective deformation results from an imaging receiver not being perpendicular to the object, and wherein the imaging receiver is an eye or an image recording device; and
adjusting at least one imaging parameter of a group of adjustable imaging parameters for at least one corresponding subregion of an imaging lens group used to cause the first image of the object from the first viewing angle, wherein the imaging lens group comprises a plurality of subregions having adjustable imaging parameters in the form of an array, wherein images, comprising the first image, formed by the imaging lens group are adaptable by adjusting portions of the imaging lens group to embody the group of adjustable imaging parameters, and wherein the adjusting the at least one imaging parameter corresponds to adjusting the first image of the object formed by the imaging lens group according to the imaging correction information resulting in an adjusted image, wherein:
the adjusted image is directed to the eye based on the adjusting the least one imaging parameter, and the imaging lens group is at least partially comprised in spectacles, or
the adjusted image is directed to the image recording device based on the adjusting the least one imaging parameter, and the image recording device comprises, at least in part, the imaging lens group.

US Pat. No. 10,162,421

ACTION RECOGNITION METHOD AND ACTION RECOGNITION APPARATUS

Beijing Zhigu Rui Tuo Tec...

1. An action recognition method, wherein the method comprises:detecting a motion of at least one body position of a user by using at least one first-type sensor;
in response to that a motion amplitude of the at least one body position does not exceed a preset threshold, activating at least one second-type sensor, wherein the second-type sensor has a higher detection precision for a motion amplitude not exceeding the preset threshold than that of the first-type sensor for the motion amplitude not exceeding the preset threshold; and
recognizing an action of the at least one body position of the user based on at least a detection result of the at least one second-type sensor,
wherein the recognizing an action of the at least one body position of the user comprises:
recognizing an action of the at least one body position of the user based on at least a detection result of the at least one first-type sensor and the at least one second-type sensor, and
wherein the recognizing an action of the at least one body position comprises:
determining and/or adjusting a configuration parameter of the activated at least one second-type sensor based on at least a detection result of the at least one first-type sensor; and
recognizing an action of the at least one body position based on at least the detection result of the at least one second-type sensor.

US Pat. No. 10,205,348

WIRELESS ENERGY TRANSMISSION CONTROL METHODS AND CONTROL APPARATUSES

BEIJING ZHIGU RUI TUO TEC...

36. A device for wireless energy transmission control, comprising a processor and a memory, wherein the memory stores executable instructions, the processor being connected with the memory via a communication bus, and when the device is operating, the processor executes or facilitates execution of the executable instructions stored by the memory to cause the device to perform operations, comprising:receiving an optical signal from a wireless energy receiver device; and
determining, according to an orientation of the optical signal, a wireless energy transmission scheme of a wireless energy transmitter device corresponding to the orientation.

US Pat. No. 10,198,664

AUXILIARY OBSERVING METHOD AND AUXILIARY OBSERVING APPARATUS

Beijing Zhigu Rui Tuo Tec...

1. An auxiliary observation method, comprising:determining at least one comparison object according to a degree of similarity to a feature of an observation target, wherein the feature comprises at least one of the following: a context, metadata, a visual feature, semantic meaning, and a circumstance of selected content, and
wherein the at least one comparison object comprises a historical image of the observation target;
finding a difference that is both visual and semantic between the observation target and the at least one comparison object;
presetting a reminder threshold for semantic difference; and
in response to determining that semantic difference of the difference exceeds the reminder threshold for semantic difference, determining the difference as a specific difference for reminding to prevent a user from overlooking important information or highlighting redundant information.

US Pat. No. 10,197,437

METHOD AND APPARATUS FOR OBTAINING VIBRATION INFORMATION AND USER EQUIPMENT

Beijing Zhigu Rui Tuo Tec...

1. A method for obtaining vibration information, comprising:obtaining multiple groups of electromagnetic wave receiving signals corresponding to multiple receiving locations, each group of electromagnetic wave receiving signals in the multiple groups of electromagnetic wave receiving signals comprising multiple electromagnetic wave receiving signals respectively corresponding to multiple reflected electromagnetic wave signals, and the multiple reflected electromagnetic wave signals being formed by reflecting an electromagnetic wave signal by multiple reflective units of an electromagnetic wave reflective array when the multiple reflective units of the electromagnetic wave reflective array vibrate in response to a sound in an environment;
obtaining, according to the multiple groups of electromagnetic wave receiving signals and transmission channel information between the multiple receiving locations and the multiple reflective units, the multiple reflected electromagnetic wave signals respectively corresponding to the multiple reflective units; and
obtaining, according to the multiple reflected electromagnetic wave signals, multiple pieces of vibration information respectively corresponding to the multiple reflective units.

US Pat. No. 10,198,071

METHODS AND APPARATUSES FOR DETERMINING CONTROL INFORMATION

Beijing Zhigu Rui Tuo Tec...

1. A method for determining control information, comprising:acquiring EEG detection information of a human body in response to a motion of a head of the human body; and
determining control information corresponding to the EEG detection information,
wherein the determining control information corresponding to the EEG detection information comprises:
determining EEG characteristic information, of the EEG detection information, relative to EEG reference information of the human body; and
determining the control information corresponding to the EEG characteristic information,
wherein the determining EEG characteristic information comprises:
extracting information in a certain frequency band from the EEG detection information as EEG sampling information; and
determining the EEG characteristic information according to an amplitude value of the EEG sampling information and a reference amplitude value of the EEG reference information in the frequency band.

US Pat. No. 10,192,060

DISPLAY CONTROL METHOD AND APPARATUS AND DISPLAY DEVICE COMPRISING SAME

BEIJING ZHIGU RUI TUO TEC...

1. A method, comprising:receiving, by a system comprising a processor and a display device, a display request sent by a source device of a first user, wherein the display device comprises a plurality of display areas, and wherein each angle of the plurality of display areas is adjustable;
determining a facing direction of a screen of the source device of the first user;
dynamically adjusting a first angle of a first defined display area corresponding to the source device according to the facing direction;
displaying content corresponding to the display request to the first user via the first defined display area;
obtaining a social relationship associated with an identity of the first user of the source device;
dynamically adjusting a second angle of a second defined display area corresponding to a second device of a second user having the social relationship with the first user of the source device; and
displaying the content to the second user via the second defined display area.

US Pat. No. 10,193,676

PILOT ALLOCATION METHOD FOR MULTI-ANTENNA SYSTEM AND PILOT ALLOCATION APPARATUS

BEIJING ZHIGU RUI TUO TEC...

1. A method for a multi-antenna system, wherein the multi-antenna system comprises L cells, and each cell comprises a base station with M antennas and K single-antenna users, the method comprising:determining, by a system comprising a processor, a first number of pilots to be allocated and a second number of training cycles at least according to a third number of users in each cell; and
determining a pilot allocation scheme of the each cell according to the first number of pilots to be allocated and the second number of training cycles;
the determining the pilot allocation scheme of the each cell comprising:
determining first pilots allocated for users in the l-th cell used during each training cycle of the training cycles, and during each training cycle, allocating second pilots of at least the k-th user of the l-th cell to different users in other cells of the multi-antenna system,
wherein L, M and K are positive integers, l=(0, . . . , L?1), and k=(0, . . . , K?1),
wherein the first number of pilots to be allocated K? is a prime number not less than Kmax, and Kmax indicates the third number of users in a cell with most users in the multi-antenna system,
wherein the second number of training cycles B?Kmax,
wherein the determining the pilot allocation scheme of the each cell comprises allocating pilots for users in the each cell according to the following:
andwherein Al is a pilot allocation matrix of the l-th cell, the [b,k] element of Al is an index corresponding to pilots allocated to the k-th user of the l-th cell during the b-th training cycle, and b=(0, . . . , B?1).

US Pat. No. 10,197,808

LIGHT FIELD DISPLAY CONTROL METHOD AND APPARATUS, AND LIGHT FIELD DISPLAY DEVICE

Beijing Zhigu Rui Tuo Tec...

1. A light field display control method, comprising:determining a partial depth distribution sub-region of content according to at least depth distribution information of the content; and
tilting a first display unit at least with respect to an original plane of a display array of a light field display device according to a display depth of field (DoF) range of the light field display device and the depth distribution sub-region, wherein the first display unit is a display unit that is in the display array and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content;
wherein an average circle of confusion, in a first display plane of the light field display device, of the first object displayed by at least the tilted first display unit is less than or equal to a permissible circle of confusion, and the first display plane is a display plane that is corresponding to a focusing distance for viewing in a depth direction and perpendicular to the depth direction.

US Pat. No. 10,194,793

IMAGING FOR LOCAL SCALING

Beijing Zhigu Rui Tuo Tec...

1. A method, comprising:determining, by a system comprising a processor, a gazed object at which an eye is gazing;
determining corresponding sub-areas of an imaging lens group according to the gazed object, the imaging lens group being configured to scale and image for the gazed object and comprising a plurality of sub-areas with adjustable scaling property; and
determining a scaling parameter of the corresponding sub-areas according to the gazed object,
wherein the determining the gazed object comprises:
detecting a position of a focus point of the eye according to an optical parameter corresponding to images presented on the fundus and with a defined clarity determined to be greater than a preset value, wherein the optical parameter is the optical parameter of an optical path between an image collection position and the eye; and
determining the gazed object according to the position of the focus point of the eye.

US Pat. No. 10,218,477

METHOD FOR DETERMINING CHANNEL QUALITY AND APPARATUS THEREOF

Beijing Zhigu Rui Tuo Tec...

1. A method for determining channel quality, the method comprising:at the same time when a data symbol is sent to a receiver by using a channel, receiving at least one reference signal by using the channel; and
determining, at least according to the at least one reference signal, quality of the channel at a corresponding moment when the data symbol is sent to the receiver.

US Pat. No. 10,255,889

LIGHT FIELD DISPLAY CONTROL METHODS AND APPARATUSES, LIGHT FIELD DISPLAY DEVICES

Beijing Zhigu Rui Tuo Tec...

1. A light field display control method, comprising:sampling a source image according to interest level distribution information of the source image;
determining a light field image corresponding to the sampled source image;
adjusting display pixel density distribution of a display of a light field display device at least according to the interest level distribution information; and
displaying the light field image via the adjusted light field display device.

US Pat. No. 10,248,010

METHOD FOR ADJUSTING RELATIVE POSITION BETWEEN DEVICES AND ADJUSTMENT APPARATUS

Beijing Zhigu Rui Tuo Tec...

1. A method for adjusting relative positions between devices, the method comprising:acquiring information associated with a first device's receiving of a reference signal transmitted by at least one signal source on at least one reference position of a second device, the at least one reference position being determined at least according to information associated with a relative position desired between the first device and the second device; and
determining information associated with adjustment on the relative position between the first device and the second device at least according to the information associated with the first device's receiving of the reference signal transmitted on the at least one reference position.

US Pat. No. 10,247,813

POSITIONING METHOD AND POSITIONING SYSTEM

Beijing Zhigu Rui Tuo Tec...

1. A positioning method, comprising:acquiring a reference direction corresponding to a user by using a direction sensor;
determining that an eye of the user is gazing at an auxiliary positioning object;
acquiring position information of the auxiliary positioning object;
acquiring a distance of the user relative to the auxiliary positioning object;
acquiring an angle of a sight line direction of the user relative to the reference direction; and
obtaining position information of the user according to the position information of the auxiliary positioning object, the distance of the user relative to the auxiliary positioning object, the reference direction, and the angle of the sight line direction of the user relative to the reference direction,
wherein the position information of the auxiliary positioning object is three-dimensional position information of the auxiliary positioning object in a three-dimensional space,
wherein the acquiring a distance of the user relative to the auxiliary positioning object comprises: in response to the eye of the user being gazing at the auxiliary positioning object, photographing the eye of the user to acquire the distance of the user relative to the auxiliary positioning object, and
wherein the photographing the eye of the user to acquire the distance of the user relative to the auxiliary positioning object comprises: capturing at least one fundus image of the eye; adjusting at least one imaging parameter of an optical path between a fundus image capturing position of the at least one fundus image and the eye, until a fundus image satisfying at least one set resolution criterion in the at least one fundus image is captured; analyzing the at least one fundus image, to obtain imaging parameters of the optical path and optical parameters of the eye corresponding to the fundus image; and acquiring a distance of a current gaze point of the user relative to the user according to the imaging parameters and the optical parameters of the eye.