Excerpts from New AR/VR Patent Applications filed at the USPTO on January 27, 2024
Article related citations and references:XR Navigation Network
(XR Navigation Network January 27, 2024) Recently, the U.S. Patent and Trademark Office announced a batch of newAR/VRPatents, the following is compiled by the XR Navigation Network (please click on the patent title for details), a total of 51 articles. For more patent disclosures, please visit the patent section of XR Navigation Networkhttps://patent.nweon.com/To search, you can also join the XR Navigation Network AR/VR patent exchange WeChat group (see the end of the article for details).
1. "Meta Patent | Systems and methods for ultra-wideband frequency band allocation》
In one embodiment, the patent describes a method for ultra-wideband band allocation. Said method may include a first ultrawideband device that establishes a connection with a second ultrawideband device at a channel. The channel may have a center frequency of 10.6 gigahertz (GHz) or higher. The first ultra-wideband device may send a signal to the second ultra-wideband device via the connection at the channel.
在一个实施例中，专利描述的系统用于实现利用各种连接技术的一个或多个不同网络与网络设备之间。所述系统可以包括处理器和存储指令的存储器。处理器在执行指令时可以使系统通过实现与3GPP标准相关联的协议来修改安全网关以提供元宇宙安全网关，并且利用元宇宙安全网关和元宇宙服务器来促进客户端设备的元宇宙通信。
In one embodiment, the patent describes a loudspeaker comprising a magnet having a wedge shape so that the magnet has different widths at different locations. One or more voice coils are coupled to a diaphragm proximate the magnet. Since the magnets have different widths at different locations, different locations of the magnets provide different magnetic field strengths. In order to compensate for variations in the movement of the diaphragm due to variations in the magnetic field strength of the magnet, the surrounds coupled to the diaphragm have an asymmetric stiffness. Said surround has a higher stiffness at locations where the magnetic field is stronger close to the magnet and a lower stiffness at locations where the magnetic field is weaker close to the magnet.
4.《Meta Patent | Low band antenna architecture with aperture and impedance tuning》
In one embodiment, the system described in the patent may include an antenna and an antenna matching network. The antenna matching network may include an aperture tuner configured to shift a frequency response of the antenna, and an impedance tuner configured to dynamically vary an amount of radiated power of the antenna. Depending on various operating characteristics of the antenna, the antenna matching network may be positioned at least a specified minimum distance from the antenna.
5.《Meta Patent | Expression transfer to stylized avatars》
In one embodiment, the patent describes a method for personalizing a stylized avatar for an augmented reality application. Said method includes capturing an image of a facial expression of a first subject, identifying one or more features in the image indicative of a personal characteristic of the first subject, identifying a selected expression based on the facial expression of the first subject from a set of standard expressions in the mannequin, transferring the one or more features indicative of the personal characteristic of the first subject to the selected expression in the mannequin, and providing the mannequin to an immersive reality application for display on a client device.
6.《Meta Patent | Mitigation of animation disruption in artificial reality》
In one embodiment, the methods described in the patent are intended to mitigate disruptions to avatar displays due to loss of user tracking in artificial reality environments. The described technique may use an artificial reality device to continuously determine situational characteristics of a user. A user state corresponding to the situational characteristics occurring at the time of the tracking interruption may define the user's body configuration. The avatar may be animated to the assigned pose at the time of the interruption based on the avatar pose assigned to the user state, and the animation may be restarted from said pose as soon as tracking of the user pose is regained.
7.《Meta Patent | Gaze-aware tone mapping and chromatic adaptation》
In one embodiment, the system described in the patent may use line-of-sight orientation information to perform tone mapping or color adaptation for a VR environment. The system may include a processor and a memory storing instructions. When the processor executes the instructions, the system may determine a user focus position within the physical environment. An image corresponding to the physical environment may be received. The system may determine a visual characteristic of the physical environment corresponding to the user focus position. The system may modify a color mapping of areas of the image based on the determined visual characteristics to generate an output image.
8. "Meta Patent | Automatic quantitative food intake tracking》
In one embodiment, the method described in the patent uses smart glasses and/or other wearable devices to quantitatively track food intake. The smart glasses may include an image capture device, such as a camera, which seamlessly captures an image of the food being eaten by the user. A computing device in communication with the smart glasses (or the smart glasses themselves) may recognize the type and volume of the food being eaten by applying object recognition and volume estimation techniques to the images. Alternatively, the smart glasses and/or other wearable devices may track a user's eating patterns by capturing and analyzing mouth movements and chewing through the number of bites taken throughout the day. A computing device may record the type of food, the volume of food, and/or the number of bites taken and calculate statistics that can be displayed to the user at the smart glasses.
In one embodiment, the wrist wearable device recognizes and detects the shape of the surface and, optionally, the distance of the surface from the wrist wearable device, and makes operations, including haptic events, available to the user by detecting gestures performed by the user and causing corresponding operations to be performed during the execution of the gestures based on the type of gesture and, optionally, the distance of the wrist wearable device from the surface. For example, the wrist wearable device may be configured such that a first set of operations corresponding to hovering gestures performed within a threshold distance in the air of the surface and a second set of operations corresponding to near-surface gestures performed within a threshold distance from the surface of the surface are performed.
10.《Meta Patent | Optical devices with active components coupled with passive components》
In one embodiment, the optical assembly described in the patent includes an active optical component. The active optical component includes an activation layer disposed between two electrodes, such as a first electrode and a second electrode that is distinct and separate from the first electrode. The active optical component also includes one or more substrates for providing mechanical support for at least one of the two electrodes. In one configuration, the optical component includes a first substrate for providing mechanical support for the first electrode and a second substrate for providing mechanical support for the second electrode.
In one embodiment, a scanning projector of a near-eye display device may be coupled to a waveguide and include a multi-ridge light source to provide a light beam. The distance between the ridges of the light source may be greater than one pixel, and the ridges may be arranged horizontally, vertically, or at an angle. A 2D beam scanner optically coupled to the light source can generate an optical field by performing a double resonance scan of the beam. The projector may also include or be coupled to a controller to cause the beam scanner to scan the beams around the first and second axes within a field of view that follows a coherent Lissajous pattern, while varying the brightness of the beams to provide an image.
12.《Meta Patent | Flat-surfaced tunable optical lens》
In one embodiment, the thickness distribution of the tunable lens described in the patent can be modified by a voltage-controlled thin film piezoelectric actuator, e.g., by a lead-zirconium-titanium oxide (PZT) film. For autofocus and optical zoom features, the entire thickness of the tunable lens can be modified. For optical image stabilization, the thickness profile of the tunable lens can be modified to a tilted profile, wherein one side of the tunable lens is thinner than the other, while the surfaces opposite the tunable lens remain flat. The angle of the inclined profile between the two surfaces may be in the range of up to 10 degrees.
13.《Meta Patent | Waveguide with birefringent organic solid crystal layer》
In one embodiment, the optical element described in the patent includes a waveguide body configured to direct light from an input to an output via total internal reflection, a coupling-in structure disposed at the input for coupling the light into the waveguide body, and a coupling-out structure disposed at the output for coupling the light out of the waveguide body. Wherein the waveguide body includes an organic solid crystal layer. Such an optical element may have a low weight and exhibit good color uniformity.
14.《Meta Patent | Ultrahigh molecular weight polyethylene thin films formed by gel casting》
In one embodiment, the polymer film comprises polyethylene having a molecular weight of at least about 250,000 g/mol and having a modulus of elasticity of at least about 25 GPa, a tensile strength of at least about 0.8 GPa, and a thermal conductivity of at least about 5 W/mK. Formation of the polymer film may include forming a polymer solution from the crystallizable polyethylene and a liquid solvent, forming a gel from the polymer solution, forming a polymer film from the gel by calendering or solid state extrusion, and stretching the polymer film.
15.《Microsoft Patent | Eye and hand tracking utilizing lensless camera and machine learning》
In one embodiment, the eye and hand tracking system described in the patent is arranged with a lensless camera system using an optical mask as a coding element. Said optical mask will convolve an optical image of a body part (e.g. eye or hand) applied to a user of the device. The convolved body image is a scrambled or coded representation captured by sensors in the system but not recognizable by humans. Machine learning systems such as neural networks are configured to extract body features directly from the coded representation without performing the deconvolution traditionally used to reconstruct the original body image in a human-recognizable form. The extracted body features are used by the corresponding eye or hand tracking system to output tracking data related to the user's eyes or hands, and the headset device can utilize said data to support various applications and user experiences.
16.《Microsoft Patent | Efficient hrtf approximation via multi-layer optimization》
In one embodiment, the system described in the patent uses a network to decompose the HRTF dataset to generate approximation data, and uses the approximation data to present the audio signal. The input HRTF dataset is fed into the network, and then the network generates approximation data that includes the hybrid channel gain, the FIR filter coefficients, and the shape of the base filter. The approximation data controls various components in the network. When the input HRTF dataset is fed into the network as an input, then the output of the network is a collection of output approximated HRTF data. The network iteratively fine-tunes the approximation data until the output approximated HRTF data set adequately matches the input HRTF data set. After the approximated data is sufficiently tuned, the approximated data is then used by the network to present the audio signal.
In one embodiment, a system for generating a high resolution video from a low resolution image is configured to access a first video stream and a second video stream of a capture environment. The first video stream is captured by a first video capture device. The second video stream is captured by a second video capture device. Image frames of the first video stream are temporally synchronized with corresponding image frames of the second video stream. The system is simultaneously configured to generate a composite video stream having a higher resolution than the first or second video stream. Each composite image frame of the composite video stream is generated using the individual image frames of the first video stream and the corresponding image frames of the second video stream that are temporally synchronized as inputs.
18.《Microsoft Patent | Low light and thermal image normalization for advanced fusion》
In one embodiment, the patent describes techniques for generating fused enhanced images. A first image is generated using a first camera in a first modality and a second image is generated using a second camera in a second modality. Pixels common between the two images are identified. A texture of the common pixel is identified. A camera characteristic associated with noise is identified. A scaling factor is applied to the texture in the first image. Use the scaled texture to determine the first saliency. Use the texture from the second image to determine the second saliency. Generate an alpha map and based on the alpha map, then merge the textures from the common pixels to generate a fused enhanced image.
19.《Apple Patent | Method and device for tiered posture awareness》
In one embodiment, the patent describes a method comprising: presenting, via a display device, the3Denvironment while obtaining head pose information of a user associated with the computing system; determining a cumulative strain value of said user based on said head pose information; and determining, based on a determination that the cumulative strain value of the user exceeds a first pose-awareness threshold: determining a position of the virtual content based on the height value associated with the user and the depth value associated with the 3D environment; and presenting the virtual content via the display device at the determined position presenting the virtual content while continuing to present the 3D environment via the display device.
20.《Apple Patent | Display system having an audio output device》
In one embodiment, the patent describes a display system comprising a head-mounted display unit and a detachable speaker unit. The head-mounted display unit outputs visual content to the user and provides the user with a visual perspective of a real environment. The detachable speaker unit is detachably connected to the head-mounted display unit and is used to provide auditory content to the user. At least one of the visual content or the auditory content changes depending on the position of the detachable speaker unit relative to the head-mounted display unit.
twenty one. "Apple Patent | Foveated display》
In one embodiment, an electronic device such as a head-mounted device may have a display. The display may have lower and higher resolution areas to reduce the data bandwidth and power consumption of the display while maintaining satisfactory image quality. Data lines may be shared by the lower resolution portion and the higher resolution portion of the display, or different numbers of data lines may be provided to different portions of the display having different resolutions. The length of the data lines may be varied in a transition region between the lower resolution and higher resolution portions of the display to minimize visible discontinuities between the lower resolution portion and the higher resolution portion. Dynamically adjustable gate driver circuitry and dynamically adjustable data line driver circuitry may be used to dynamically adjust the lower resolution portion and the higher resolution portion of the display.
twenty two. "Apple Patent | Image enhancement devices with gaze tracking》
In one embodiment, the electronic device described in the patent may have a display and a camera. Control circuitry in the device may use gaze tracking systems and other sensors to collect information about a user's point of gaze, may collect information about real-world images by analyzing real-world images, such as information about content, motion, and other image attributes, may collect user visual information, such as user acuity, contrast sensitivity, field-of-view, and geometric distortion, and may collect user inputs such as user preferences and user mode selection commands and may collect other inputs. Based on the viewpoint information and/or other collected information, the control circuitry may display real-world images and supplemental information on the display. The supplemental information may include enhancements such as icons, text labels, and other computer-generated text and graphics overlaid on the real-world image.
twenty three. "Apple Patent | Systems and methods for detection of a surface material on optical components》
In one embodiment, a surface material of one or more optical components of an optical sensing system may be detected. The method of detecting comprises generating a first image using the optical sensing system. Detecting the surface material at said first attachable lens based on a determination that one or more criteria are satisfied, said one or more criteria comprising criteria satisfied when a proportion of said first image having an optical intensity in a first intensity range is greater than a threshold.
24. The
In one embodiment, the patent describes improved techniques for editing and presenting MR recorded content comprising receiving such mixed reality recorded content comprising parameters of natural and/or synthesized elements, and then constructing an animation trajectory based on the selected elements in response to a user's selection of selected elements of a plurality of elements, said animation trajectory comprising parameters of the selected elements. In response to user modification input, modifying the parameters of the selected element based on the user modification input, and storing a modification record including the modified parameters.
In one embodiment, the computer system described in the patent displays a three-dimensional environment and detects a first input via an input device comprising a first portion and a second portion, said first portion and said second portion being physically coupled in a first configuration and physically decoupled in a second configuration. In the first configuration, when the first portion is coupled to the second portion of the input device, in response to detecting the first input, the computer system performs a first operation in the three-dimensional environment. When the first portion of the input device and the second portion of the input device are decoupled in the second configuration, the computer system detects a sequence of one or more inputs. Wherein the sequence includes movement of the first portion of the input device relative to the second portion of the input device. In response to detecting the sequence of one or more inputs, the computer system performs one or more second operations.
26.《Apple Patent | Environment application model》
In one embodiment, the method described in the patent includes presenting an environmental view of an electronic device at a display. Determining to provide access to control parameters to a first application program. Said control parameter is configured to modify at least a portion of said view of said environment with virtual content, and said portion of said view comprises at least a portion of content other than the view of the visual representation associated with said first application. Said method further comprises restricting access to the control parameters by other applications to prevent other applications from modifying at least a portion of the view of the environment with the control parameters.
27.《Apple Patent | Device connectors for sensor integration》
In one embodiment, the patent describes a device connector for sensor integration. The patent describes a device comprising at least one of a display, a face interface, a sensor attached to the face interface, and a communication interface or a power interface coupled to the sensor.
In one embodiment, the method described in the patent comprises: at a computer system in communication with a display generating component and one or more input devices: displaying a media library user interface via the display generating component; and while displaying said media library user interface: detecting, at a first time, a user gaze corresponding to a first position in said media library user interface via said one or more input devices; in response to detecting a user gaze corresponding to a first position in said media library user interface, changing the appearance of a representation of a first media item from being displayed in a first manner via a display generating component to being displayed in a second manner that is different from the first manner; at a second time subsequent to said first time, detecting, via said one or more input devices, a second position in said media library user interface that is different from said first position in said media library user interface that corresponds to said second position in said media library user interface that differs from said first position; and in response to detecting the user's gaze corresponding to the second position in said media library user interface, displaying a representation of the first media item via the display generating component in a third manner that differs from the second manner.
29.《Apple Patent | Devices with detachable headbands》
In one embodiment, the head-mounted device described in the patent may have a head-mounted housing. The head-mounted device housing may have a shell structure. The headband may be removably coupled to the housing. The headband may have a strap with an opening. A releasable latch may be provided to allow selective engagement and disengagement between the headband and the housing. The latches may comprise removable latch members that are biased using a magnetic biasing mechanism, a spring-based biasing mechanism, or other biasing mechanism. To release each latch, a user may actuate a tab, button, toggle, slider, or other release mechanism. This moves the removable latch member from the closed latch position to the open latch position, thereby releasing the headband from the housing.
30.《Apple Patent | Head-mounted electronic device (Apple Patent: Head-mounted electronic device)》
In one embodiment, the head-mounted device described in the patent may have a head-mounted housing. Said housing may include a chassis having a left opening and a right opening, the left opening and the right opening overlapping the left optical module and the right optical module, respectively. Each optical module may have a lens and a display presenting an image through the lens. The chassis may have an inner frame and an outer frame. A middle portion of the chassis may form a reinforced nose bridge structure. The components in the chassis may span the width of the housing, thereby forming a box-shaped structure that provides rigidity and helps prevent deformation of the housing.
31.《Apple Patent | Electronic device with a tunable lens having two adjustable surfaces》
In one embodiment, the lens module may comprise a first lens element, a lens-forming structure coupled to the first lens element, and a plurality of actuators, said plurality of actuators configured to adjust a position of the lens-forming structure to adjust the first lens element. The lens module may simultaneously include a second lens element and a fluid-filled chamber between the first and second lens units. To allow dynamic adjustment of the second lens element without the need for an additional actuator, the second lens unit may be a semi-rigid lens unit. As the actuator adjusts the curvature of the first lens element, the gauge pressure applied to the second lens element changes. This causes the curvature of the second lens element to change. Thus, even without an actuator attached to the second lens element, the actuator can adjust the curvature of both the first lens element and the second lens unit.
32.《Apple Patent | Electronic devices with sensors》
In one embodiment, an electronic device such as a head-mounted electronic device may include a display for presenting an image to a user. In order to accommodate changes in interpupillary distance associated with different users, the head-mounted device may have actuators that move the left and right eye optical modules relative to each other. To hide the internal structure from view, a cover may be provided at the rear of the head-mounted device. Capacitive sensor circuits and/or switch-based sensor circuits may use electrodes to measure nose contact due to movement of the optical modules toward each other relative to the sides of the user's nose. The actuators may stop or otherwise move in response to the sensor measurements, thereby avoiding undesired nose pressure as the optical modules move toward each other to accommodate the interpupillary distance of the user.
33.《Apple Patent | Electronic devices with rearward-facing sensors》
In the intended embodiment, the head-mounted device described in the patent may have a housing with a frame supporting the lenses. Each lens may have a positively biased lens element and a negatively biased lens element. The waveguide may overlap the lenses. During operation, an image from the waveguide may be provided to the viewport via the negatively biased lens element. An eye sensor such as a gaze tracking camera may be operable through the negatively biased lens element. The eye sensor monitors the user's eyes.
34.《Sony Patent | Contextual scene enhancement》
In one embodiment, audio to be played during a display is monitored during an interactive session, and the audio is analyzed via a machine learning component to determine a sensation associated with at least a portion of the audio. Said method may simultaneously comprise determining an effect indicative of said sensation and outputting an indication of said effect to an associated output device. Wherein said effect is configured to be output with the audio in real time with the associated portion of said interactive content stream display.
In one embodiment, a wireless communication terminal executing an application program for a game using a mobile communication system requests from an information processing device controlling the quality of a wireless communication provided by said mobile communication system request information as a request for information indicative of a change in the quality of the gaming experience and changes the settings of the wireless communication based on the control information sent from said information processing device.
In one embodiment, during game processing, game data is stored in a game data storage section. The game server then sends game parameters such as scores and positions of characters and data such as a three-dimensional structure of the virtual world therein to the real-time image display support device. The real-time image display support device performs prioritization and clustering by using the game parameters, and generates control information such as the state of the virtual camera based on, for example, the normalcy of the ground in the virtual world.
37.《Sony Patent | Adaptive virtual objects in augmented reality》
In one embodiment, the patent describes a computer-implemented method comprising selecting a virtual object to be positioned in a mixed reality environment, scanning a real-world portion of the mixed reality environment, determining a location for locating the virtual object based on the scanning, scaling said virtual object based on said location, and locating said virtual object at said determined location in said mixed reality environment.
38.《Sony Patent | Identifying devices in a mixed-reality environment》
In one embodiment, the patent describes a computer-implemented method comprising recognizing a gaming device in a real-world environment, wherein the gaming device provides a user experience to a user in a mixed reality setup. The described method also includes recognizing an object in the real world environment in proximity to the gaming device, and initiating an activity associated with the object based on a virtual portion of the mixed reality setup.
39.《Sony Patent | Information processing device that displays a virtual object relative to real space》
In one embodiment, the patent describes an information processing device including a display unit, a detector, and a first control unit and a method of using the same. The display unit may be a head-mounted display. The display unit is capable of providing a user with a field of view of real space and virtual objects. The detector detects an azimuthal angle of the display unit around at least one axis and controls the display of the virtual object based on the detected azimuthal angle.
40.《Sony Patent | Eye monitoring system and method》
In one embodiment, the system described in the patent is operable to present content to a user, said system comprising a temperature sensor unit configured to detect a temperature associated with at least one of the user's eyes and/or an ambient temperature associated with the headset, a blink sensor unit configured to detect blinks in one or both of the user's eyes, a blink sensor unit configured to determine, based on said one or more detected temperatures threshold value determination unit for a threshold value of a blink rate of said user, and a processing unit. said processing unit configured to determine a blink rate of said user based on said detected blinks and to modify content presented by said headset in response to said user blink rate falling below said threshold.
In one embodiment, the information processing apparatus described in the patent comprises: an acquisition unit that acquires positional relationships between a plurality of users arranged in a virtual space; and a generation unit that generates output data of a sound to be presented to a target user from sound data of a sound emitted by each of the users based on the positional relationships acquired by said acquisition unit.
42.《Sony Patent | Methods and systems for simulating perception of a sound source》
In one embodiment, the patent describes a method of audio personalization for simulating the perception of vertical displacement of a sound source. Said method comprises the steps of: obtaining a user-related input header-related transfer function HRTF; determining an expected vertical displacement of said sound source; selecting at least one frequency region in said input HRTF; and adjusting the amplitude of the selected frequency region to simulate the expected vertical displacement of the sound source.
43.《Sony Patent | Head-mounted display and image displaying method》
In one embodiment, the stereoscopic vision head-mounted display described in the patent includes a superimposed image control portion that determines a virtual distance at which a superimposed image is to be displayed based on a state of three-dimensional space in the field of view. The head-mounted display also includes a display image generation portion that generates data comprising a display image of the superimposed image in a state in which the superimposed image is placed at the virtual distance in the three-dimensional space. The head-up display further comprises an output control portion which outputs said data of the display image to a display panel.
44.《Sony Patent | Display Devices (Sony Patent: Display Devices)》
In one embodiment, the display device described in the patent includes a light-emitting element group, each light-emitting element group includes a light-emitting element unit, and each light-emitting unit includes first, second, and third light-emitting elements. Each light-emitting element group includes a first drive circuit to drive the first light-emitting element, a second drive circuit to drive the second light-emitting element, and a third drive circuit to drive the third light-emitting element, and in each light-emitting element group, a number of the first drive circuits is equal to a number of the first light-emitting elements, a number of the second drive circuits is less than a number of the second light-emitting elements, and a number of the third drive circuits is less than a third light-emitting element, and the number of the third drive circuits is less than the number of the third light-emitting elements.
In one embodiment, the method described in the patent includes selecting a first point from a 3D model representing Avatar, said first point being associated with an eye; selecting a second point from said 3D model, said second point being associated with a periocular region associated with the eye. generating albedo and spherical harmonic (SH) coefficients based on said first point and said third point, and generating image points based on the albedo and SH coefficients.
In one embodiment, the lens described in the patent comprises at least one lens element, the lens element configured to interface with the user's pupil along an optical axis direction from a side of the user's pupil to a side of the display surface. Said at least one lens element defines an aperture diaphragm, said aperture diaphragm configured for at least a portion of a region facing the user's pupil. The aperture diaphragm defines a plurality of sub-diaphragm regions corresponding to a plurality of gaze directions throughout the user's viewing angle relative to the optical axis direction. The orientation of said plurality of subdiaphragm regions is based on the human visual system.
47.《Samsung Patent | Method and apparatus for generating computer-generated holograms》
In one embodiment, the patent describes a method for processing computer-generated holograms (CGH) method and system. A system for processing a CGH includes a CGH generating apparatus and a display apparatus. the CGH generating apparatus repeatedly performs propagating object data from a first depth layer to a second depth layer, changing magnitude data of the object data to a second predetermined magnitude data, reverse propagating object information from the second depth layer to the first depth layer, and changing magnitude data of the object information to the first predetermined magnitude data, the processing and generating a CGH by using the object data.
In one embodiment, the patent describes an electronic device comprising a display, a communication module, a memory, and at least one processor, said at least one memory configured to be operably coupled to said display, said communication module, and said memory. Said at least one processor may be configured to detect the occurrence of an event for performing a residual fingerprint theft prevention service. Said at least one processor may be configured to receive remaining fingerprint candidate group data corresponding to a fingerprint candidate region. Said at least one processor may be configured to determine an authentication validity of the fingerprint candidate region. Said at least one processor may be configured to send a security level obtained by evaluating a security risk of the remaining fingerprints residing on the display. Said at least one processor may be configured to output security guideline information regarding the remaining fingerprints on the display.
在一个实施例中，专利描述的可穿戴电子设备可以包括框架、连接到框架的一侧的第一边撑、连接到框架相对侧的第二边撑以及位于该框架的一个区域中的摄像头。摄像头可以包括透镜模块和图像传感器，所述透镜模块包括至少一个超透镜和检测由超透镜模块引导的光的图像传感器。
50.《Snap Patent | Wearable 设备 with heat transfer pathway（Snap专利：具有传热路径的可穿戴设备）》
在一个实施例中，专利描述的可穿戴设备可以包括眼镜主体、机载电子部件、热耦合和热传递设备。眼镜主体可以配置为由用户佩戴。机载电子部件可以由眼镜主体在眼镜主体的第一部分处承载，并且可以包括在其电动操作期间产生热量的热源。热耦合可以在眼镜主体的第二部分处热耦合到热传递装置。热传递装置可以在热源和热耦合器之间纵向延伸，以将热量从热源传递到热耦合器。
51.《Snap Patent | Dynamic over-rendering in late-warping（Snap专利：late-wrping中的动态过度渲染）》
在一个实施例中，专利描述了一种用于调整AR设备中的显示器的过度渲染区域的方法。所述方法包括识别显示设备的角速度、显示设备的最近姿态、先前扭曲姿态和先前过度渲染区域，以及基于角速度、最近姿态、之前扭曲姿态和之前过度渲染区域的组合来调整动态过度渲染区域的大小。
52.《Snap Patent | Controlling interactive fashion based on facial expressions（Snap专利：基于面部表情控制交互式时尚物品）》
在一个实施例中，专利描述的操作包括：接收包括穿着时尚物品的人的描绘的图像；生成所述图像中描绘的人所穿的时尚物品的分割；识别所述图像中描绘的用户的面部表情；以及响应于识别所述面部表情，基于对所述人佩戴的时尚物品的分割，将一个或多个增强现实元素应用于所述人所佩戴的时尚项目。
53.《Snap Patent | Ar body part tracking system（Snap专利：AR身体部位追踪系统）》
在一个实施例中，专利描述了用于呈现AR项目的系统。系统执行的操作包括：接收包括真实世界环境中的第一真实世界身体部位的描绘的图像；将机器学习技术应用于所述图像以生成多个密集输出，每个密集输出与所述图像中的多个像素中的相应像素相关联；将第一任务专用解码器应用于所述多个密集输出以识别与所述第一真实世界身体部位的中心相对应的像素；使用所识别的像素应用第二任务专用解码器，以从所述多个密集输出中检索第一真实世界身体部位的3D旋转、平移和缩放；基于第一真实世界身体部位的3D旋转、平移和缩放来修改AR对象；以及修改图像以包括对修改后的AR对象的描绘。
54.《Snap Patent | 3d captions with face tracking（Snap专利：带有人脸追踪的3D字幕）》
在一个实施例中，专利描述的操作包括：由实现消息收发应用程序的一个或多个处理器接收来自用户设备的摄像头的视频馈送；由所述消息收发应用程序检测所述视频馈送中的面部；响应于在视频馈送中检测到面部，检索3D字幕；修改视频馈送以在视频馈送的3D空间中靠近面部的位置处包括3D字幕；以及显示包括面部和3D字幕的修改的视频馈送。
55.《Snap Patent | Enhanced reading with ar glasses（Snap专利：使用AR眼镜增强阅读能力）》
在一个实施例中，专利描述了用于增强AR阅读的方法，包括进入阅读模式，捕获诸如书籍页面之类的阅读材料的一部分的图像，识别图像内的代码，以及识别与该代码相对应的代码模块。所述方法同时包括执行代码模块，所述代码模块提供与所述部分或页面上描绘的对象相关的增强现实对象或虚拟现实对象，基于部分或页面的估计阅读持续时间进入睡眠模式达睡眠持续时间，在所述睡眠持续时间之后苏醒，以及捕获下一图像。用户可以使用外部用户界面手动唤醒AR读取设备。
在一个实施例中，专利描述的方法包括访问由柔性设备的立体光学传感器生成的第一立体帧的特征数据，而该特征数据基于柔性设备的视觉惯性里程计（VIO）系统生成；访问第一立体帧中的深度图数据，该深度图数据基于柔性装置的深度图系统生成；基于第一立体帧内的特征数据和深度图数据估计俯仰-滚转偏置和偏航偏置；以及在第一立体帧后生成第二立体帧。
57.《Qualcomm Patent | Coordinate conversion for geometry point cloud compression（高通专利：用于几何点云压缩的坐标转换）》
在一个实施例中，专利描述的点云编码器和点云解码器配置为将点云数据的点的笛卡尔坐标转换为球面坐标。球面坐标包括半径、方位值和激光ID。点云编码器和点云解码器可以使用定点实现来执行方位值的转换，而该定点实现使用基于用于编码方位的比特数的可变移位值。
在一个实施例中，专利描述了用于检测移动设备中的未授权虚拟对象的方法。移动设备可以从摄像头接收图像。移动设备可以检测在图像中包括的移动设备的显示器显示的虚拟对象。移动设备可以在移动设备移动之后从惯性测量单元（IMU）接收数据。移动设备可以基于从IMU接收的数据来确定虚拟对象的估计的新位置。移动设备可以在从IMU接收到数据之后确定虚拟对象的实际位置。移动设备可以确定虚拟对象的估计的新位置和实际位置之间的差。移动设备可以基于所述差异来确定虚拟对象是否是未经授权的虚拟对象。
在一个实施例中，专利描述了一种在头显中进行图形处理的方法。所述方法通常包括基于可佩戴显示设备的位置，以及与该位置相关联的一个或多个真实世界对象的轮廓和深度信息来渲染第一图像，所渲染的第一图像至少包括一个或更多个虚拟对象。基于可佩戴显示设备的不同于该位置的更新位置来重新投影第一图像，并使用第一图像中的一个或者多个真实对象的重新投影的轮廓、第一图像中一个或者更多个真实世界物体的更新的深度信息、第一图像中一个或更多个虚拟对象的更新深度信息以及扭曲的一个以上虚拟对象来渲染第二图像，并且在头显显示器显示第二图像。
在一个实施例中，呈现虚拟内容的跨现实系统可以配置为呈现基于web的内容。所述系统可以包括棱镜管理器，棱镜管理器提供棱镜。为了呈现基于web的内容，访问web内容的浏览器可以与棱镜相关联，并且可以将内容呈现到关联的棱镜中，从而为用户创建与当内容由本地应用程序生成时相同的沉浸式体验。用户可以从与本机应用程序相同的程序启动程序菜单访问web应用程序。系统可以具有允许用户访问相关功能的工具。
在一个实施例中，可以使用便携式设备的摄像头获取图像，并且其他信息可以是映射。相对于映射进行定位可允许多个跨现实设备能够在相对于映射指定的位置呈现虚拟内容，从而为系统的使用提供增强的体验。所述方法同时可用于其它装置和其它目的，例如自主驾驶汽车的导航。
在一个实施例中，专利描述了用于眼睛图像分割和图像质量估计的系统和方法。一方面，在接收到眼睛图像之后，诸如增强现实设备之类的设备可以使用具有合并架构的卷积神经网络来处理眼睛图像，并生成分割的眼睛图像和眼睛图像的质量估计。分割的眼睛图像可以包括背景区域，巩膜区域，虹膜区域或瞳孔区域。在另一方面，具有合并架构的卷积神经网络可以接受训练并用于眼睛图像分割和图像质量估计。在另一方面，所述设备可以使用分割后的眼睛图像来确定眼睛轮廓，例如瞳孔轮廓和虹膜轮廓。
在一个实施例中，专利描述了用于调节可穿戴系统呈现的虚拟对象的运动速度的系统和方法。可穿戴系统可呈现3D虚拟内容。运动速度可遵循S曲线的轮廓，逐渐增加至最大速度，随后逐渐降低速度，直到达到运动终点。速度的降低可能比速度的增加更为缓慢。可穿戴系统可追踪虚拟对象的位置，其中虚拟对象以跟随S曲线的速度移动。所述速度曲线允许目标快速移动，同时在确定目标的初始和最终位置时提供舒适的浏览体验和高精度。
在一个实施例中，专利描述的系统可以包括选择性透明的投影设备，并从相对于用户眼睛的空间中的投影设备位置向用户眼睛投射图像，所述投影设备在不投影图像时保持基本透明的状态；所述系统同时可以包括遮挡掩模设备，其耦合至投影设备，并配置成以与投影设备投影图像相关联的遮挡图案；所述系统同时可以包括边界板衍射图案形成设备，其位于用户眼睛和投影设备之间，并且配置成致使来自投射设备的光线在行进至眼睛时通过具有可选几何形状的衍射图案。
66.《Magic Leap Patent | Eyepieces For Augmented Reality Display System（Magic Leap专利：用于增强现实显示系统的目镜）》
在一个实施例中，用于增强现实显示系统的目镜波导可以包括光学透射基板，输入耦合光栅（ICG）区域，多向光瞳扩展器（MPE）区域，以及出射光瞳扩展器（EPE）区域。ICG区域可以接收输入光束，并将输入光束作为引导光束耦合到基板。MPE区域可以定位成接收来自ICG区域的引导光束，并在多个方向上衍射所述引导光束，从而以产生多个衍射光束EPE区域可以定位成接收来自MPE区域的一个或多个衍射光束，并将它们作为输出光束从光学透射基板中耦合出来。
在一个实施例中，专利描述了一种通过虚拟鼠标远程控制扩展现实的系统。所述系统包括头戴式显示器和用于佩戴在手上的第一遥控器。头戴式显示器包括图像捕获设备。所述第一遥控器与所述头戴式显示器通信连接，其中所述头佩戴式显示器配置为：通过所述图像捕获设备捕获图像；检测图像以获得图像中的手的第一数据和图像中的平面的第二数据；并根据第一数据和第二数据启用虚拟鼠标。
68. TheHTC Patent | Wearable authentication system and ring 设备（HTC专利：可穿戴认证系统和环形设备）》
在一个实施例中，专利描述了一种可穿戴认证系统。所述可穿戴认证系统包括头戴式设备和环形设备。头戴式设备包括第一网络模块和摄像头。第一网络模块发送认证请求。摄像头配置为提供用户的手的图像。环形装置包括惯性测量单元、第二网络模块和生物特征传感器。惯性测量单元提供环形装置的惯性测量值。第二网络模块接收认证请求。生物特征传感器基于认证请求从用户收集生物特征信息。可穿戴认证系统基于图像和惯性测量值中的至少一个来追踪环形装置的位置。第二网络模块向第一网络模块发送基于生物特征信息和惯性测量值的认证信息。
在一个实施例中，头戴式显示器响应于接收到切换信号而从多个多媒体内容中选择第一多媒体内容，并且基于确定用户选择执行新的应用程序来生成切换信号，并且第一多媒体内容的播放内容对应于新的应用程序。头戴式显示器将第一多媒体内容发送到显示器以在显示屏的多个像素上播放第一多媒体内容。
70. TheVuzix Patent | Smart glasses with acoustic channel（Vuzix专利：带声道的智能眼镜）》
在一个实施例中，专利描述的智能眼镜设备包括具有近端和远端的边撑臂。智能眼镜设备具有与边撑臂近端耦合的光学系统和至少部分位于边撑臂远端中的扬声器。智能眼镜同时具有至少部分地位于扬声器周围的隔间。所述通道至少部分地位于所述边撑臂内，其中所述通道与所述隔室声学连通。一个或更多个音频端口位于所述腿撑臂中，其中所所述一或更多个音频端口与所述通道声学连通。
在一个实施例中，光栅中可以提供与复用光栅重叠的分束器层，以用于减少激光照射波导中的条带。分束器可以由一个或多个介电层提供。分束器可以对一个偏振具有灵敏度。分束器可以对S偏振敏感。分束器可以是针对法向入射进行优化的抗反射涂层，而当浸入玻璃或塑料中时，该抗反射涂层在高TIR角下变为反射性。
72. TheDigiLens Patent | Photonic crystals and methods for fabricating the same（DigiLens专利：光子晶体及其制造方法）》
在一个实施例中，专利描述的平视显示器包括：用于将准直光投影到视场上的图像生成单元；第一波导，包括用于将来自图像生成单元的光耦合到第一波导中的全内反射路径中的输入光栅和用于提供光束扩展和从第一波导提取光的输出光栅；弯曲的透明基板；以及反射镜。所述反射镜设置成其反射表面面向第一波导的波导输出表面。
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