Abstract: A drive method for a display panel, and a display apparatus. The drive method includes: when current original gray-scale values corresponding to sub-pixels in the same region are the same in a plurality of continuous display frames, converting the current original gray-scale values into a first target gray-scale value and a second target gray-scale value; in a current display frame of the plurality of continuous display frames, controlling a data voltage corresponding to the first target gray-scale value to be input to a first sub-pixel unit in the region, and controlling a data voltage corresponding to the second target gray-scale value to be input to a second sub-pixel unit in the region, where each of the first sub-pixel unit and the second sub-pixel unit includes at least one sub-pixel.

Abstract: Disclosed is an automatic image analysis method that can be used to automatically recognise at least one rare characteristic in an image to be analysed. The method comprises a learning phase during which at least one convolutional neural network is trained to recognise characteristics, a parameter space of dimension n, in which n?2, is constructed from at least one intermediate layer of the network, a presence probability function is determined for each characteristic in the parameter space from a projection of reference images in the parameter space. During a phase of analysing the image to be analysed, the method comprises a step of recognising the at least one rare characteristic in the image to be analysed on the basis of the presence probability function determined for the at least one rare characteristic.

Abstract: An apparatus for creating a virtual world includes a processor and a memory connected to the processor, in which the memory stores program instructions executed by the processor so as to receive an image of a real space through a device having a stereo camera, collect mesh data for the real space and an object existing in the real space through the image, determine coordinates for first edges of the real space from the mesh data for the real space, select one of a plurality of second edges based on an area of a virtual space defined by each of the plurality of second edges facing a predetermined direction, when there are more first edges of the real space than edges of a polygon preset for the real space, and output a virtual space defined by some of the first edges and the selected one second edge and a virtual object corresponding to the real object recognized in the real space.

Abstract: An object identification method is applied to a surveillance system. The surveillance system includes at least one surveillance apparatus. The object identification method includes acquiring a plurality of first feature vectors of a first moving object and a plurality of second feature vectors of at least one second moving object within a series of surveillance images from the surveillance apparatus, transforming the first feature vectors and the second feature vectors respectively into a first cluster distribution set and at least one second cluster distribution set, comparing similarity of the first cluster distribution set and the at least one second cluster distribution set, and setting a similarity ranking of the first cluster distribution set and the at least one second cluster distribution set according to a comparison result so as to determine whether the first moving object and the at least one second moving object are the same.

Abstract: Apparatus and method for grouping rays based on quantized ray directions. For example, one embodiment of an apparatus comprises: An apparatus comprising: a ray generator to generate a plurality of rays; ray direction evaluation circuitry/logic to generate approximate ray direction data for each of the plurality of rays; ray sorting circuitry/logic to sort the rays into a plurality of ray queues based, at least in part, on the approximate ray direction data.

Abstract: A method is provided for generating a three-dimensional (3D) visually representative model of a vehicle. The method includes receiving images acquired from a number of viewpoints of different sections of the vehicle, and performing photogrammetry on the images to extract a profile of the vehicle. The method includes creating a wireframe mesh or point cloud from the profile, and generating the 3D model of the vehicle. The images are processed to determine areas on a surface of the vehicle in which a defect is detected, and markers are appended onto respective areas of the 3D model that correspond to the areas on the surface of the vehicle such that the defect is appended onto the 3D model. And the method includes generating a display of the 3D model of the vehicle including the markers that indicate the areas on the surface of the vehicle in which the defect is detected.

Abstract: A system is provided which mixes static scene and live annotations for labeled dataset collection. A first recording device obtains a 3D mesh of a scene with physical objects. The first recording device marks, while in a first mode, first annotations for a physical object displayed in the 3D mesh. The system switches to a second mode. The system displays, on the first recording device while in the second mode, the 3D mesh including a first projection indicating a 2D bounding area corresponding to the marked first annotations. The first recording device marks, while in the second mode, second annotations for the physical object or another physical object displayed in the 3D mesh. The system switches to the first mode. The first recording device displays, while in the first mode, the 3D mesh including a second projection indicating a 2D bounding area corresponding to the marked second annotations.

Abstract: Communications pertaining to a digital human can include communicating via a lighting system based on determining an aspect of a user based on one or more sensor-generated signals. A communicative lighting sequence can be determined based on the user attribute. The lighting sequence can correspond to a condition of a digital human and can be configured to communicate to the user the condition of the digital human. The light sequence can be generated with an LED array mounted on a digital human display assembly.

Abstract: Disclosed are an image-based indoor positioning service system and method. A service server includes a communication unit configured to receive a captured image of a node set in an indoor map, and a location estimation model generation unit configured to learn the captured image of the node received through the communication unit, segment the learned captured image to obtain objects, and selectively activate the objects in the learned image to generate a location estimation model.

Abstract: According to the method and the apparatus for acquiring a CBCT image based on adaptive sampling according to the exemplary embodiment of the present disclosure, a final CBCT image is acquired by reconstructing a plurality of cone beam computed tomography (CBCT) images acquired based on adaptive sampling so that a dose applied to the target patient may be reduced.

Abstract: A computer-implemented inverse rendering method comprising: computing an adjoint image by differentiating an objective function that evaluates the quality of a rendered image, image elements of the adjoint image encoding the sensitivity of spatially corresponding image elements of the rendered image with respect to the objective function; sampling the adjoint image at a respective sample position to determine a respective adjoint radiance value associated with the respective sample position; emitting the respective adjoint radiance value into a scene model characterised by scene parameters; determining an interaction location of a respective incident adjoint radiance value with a surface and/or volume of the scene model; determining a respective incident radiance value or an approximation thereof at the interaction location; and updating a scene parameter gradient.

Abstract: A template AR content can be favorably used in an application scene different from the scene at the time of creation. An environment map of an augmented reality application scene is generated. An abstract representation of the augmented reality application scene is generated on the basis of the environment map of the augmented reality scene. The abstract representation of the augmented reality application scene is compared with an abstract representation of a template augmented reality generated on the basis of a template augmented reality environment map, and template augmented reality content is mapped to the augmented reality application scene on the basis of a result of the comparison. Thus, augmented reality content for display is generated. For example, the abstract representation of the augmented reality application scene or the abstract representation of the template augmented reality can be edited.

Abstract: The present disclosure relates to a media distribution device, a media distribution method, and a program enabling to generate a guide voice more appropriately. A media distribution device includes a guide voice generation unit that generates a guide voice describing a rendered image viewed from a viewpoint in a virtual space by using a scene description as information describing a scene in the virtual space and a user viewpoint information indicating a position and a direction of the viewpoint of a user; and an audio encoding unit that mixes the guide voice with original audio, and encodes the guide voice. The present technology can be applied to, for example, a media distribution system that distributes 6DoF media.

Abstract: Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing at least one program, and a method for rendering three-dimensional virtual objects within real-world environments. Virtual rendering of a three-dimensional virtual object can be altered appropriately as a user moves around the object in the real-world through utilization of a redundant tracking system comprising multiple tracking sub-systems. Virtual object rendering can be with respect to a reference surface in a real-world three-dimensional space depicted in a camera view of a mobile computing device.

Abstract: A method and apparatus for performing a simulation of a change of a three-dimensional dataset of a physical item is disclosed. Voxels within the three-dimensional dataset are modified to mimic the change. Some embodiments comprise using artificial intelligence algorithm to determine the change. Simulations can be performed over multiple time points.

Abstract: Systems and methods of geometry processing, for rasterization and ray tracing processes provide for pre-processing of source geometry, such as by tessellating or other procedural modification of source geometry, to produce final geometry on which a rendering will be based. An acceleration structure (or portion thereof) for use during ray tracing is defined based on the final geometry. Only coarse-grained elements of the acceleration structure may be produced or retained, and a fine-grained structure within a particular coarse-grained element may be Produced in response to a collection of rays being ready for traversal within the coarse grained element. Final geometry can be recreated in response to demand from a rasterization engine, and from ray intersection units that require such geometry for intersection testing with primitives. Geometry at different resolutions can be generated to respond to demands from different rendering components.

Abstract: A method for projecting onto a real workpiece an image calculated on the basis of a digital mockup recorded on a digital information server associated with the real workpiece, for the viewing of the workpiece under augmented reality, comprises the following steps: capture by a camera of the image of the real workpiece, real-time alignment of the reference frame associated with the digital mockup with the reference frame of the video capture system and the reference frame of the real workpiece, comprising a step of reprocessing of the image calculated as a function of the topology of the digital mockup and as a function of the orientation of the projection means with respect to the real workpiece.

Abstract: A system comprising: processors and memory containing instructions to control processors to: receive images representing an interior of a physical environment, identify, using neural network for object recognition, an object in an image, the object is associated with a location relative to the physical environment, identify, using neural network for object recognition, another object in another image, determine if objects in the images are located near or at a similar location based on location information associated with the objects, if the objects are located near or at a similar location, then objects are an instance of a single object, store similar location associated with the single object, display an interactive walkthrough visualization of a 3D model of the physical environment including the single object, receive request regarding object location through the interactive walkthrough visualization, and provide the similar location of the single object for display in the interactive walkthrough visualiz

Abstract: Provided is an array substrate. The array substrate includes a base substrate, a gate line, a data line, a discharge line, a first pixel electrode, a first thin film transistor, a second thin film transistor and a first connection line. A control electrode of the first thin film transistor and a control electrode of the second thin film transistor are both connected to the gate line. The first electrode of the first thin film transistor is connected to the data line. Both the second electrode of the first thin film transistor and the first electrode of the second thin film transistor are connected to the first pixel electrode by the first connection line. The second electrode of the second thin film transistor is connected to the discharge line.

Abstract: A crowd-sourced modeling system to perform operations that include: receiving image data that comprises image attributes; accessing a 3D model based on at least the image attributes of the image data, wherein the 3D model comprises a plurality of parts that collectively depict an object or environment; identifying a change in the object or environment based on a comparison of the image data with the plurality of parts of the 3D model, the change corresponding to a part of the 3D model from among the plurality of parts; and generating an update to the part of the 3D model based on the image attributes of the image data.

Abstract: A method for decoding a 360-degree image includes: receiving a bitstream obtained by encoding a 360-degree image; generating a prediction image by making reference to syntax information obtained from the received bitstream; combining the generated prediction image with a residual image obtained by dequantizing and inverse-transforming the bitstream, so as to obtain a decoded image; and reconstructing the decoded image into a 360-degree image according to a projection format. Here, generating the prediction image includes: checking, from the syntax information, prediction mode accuracy for a current block to be decoded; determining whether the checked prediction mode accuracy corresponds to most probable mode (MPM) information obtained from the syntax information; and when the checked prediction mode accuracy does not correspond to the MPM information, reconfiguring the MPM information according to the prediction mode accuracy for the current block.

Abstract: A system enabling a distributed 3D engine for performing dynamic load balancing through virtual worlds are provided. The system comprises one or more server computers comprising memory and at least one processor, the memory storing a data structure representing at least one portion of a virtual or real world as a plurality of cells storing virtual objects. The memory further stores a distributed 3D engine comprising a resource manager implemented in a distributed deployment and a plurality of individual software engines. Resources are dynamically allocated via the distributed deployment to one or more cells based on a current load and a corresponding computed and ranked demand. In some embodiments, the demand further considers one or more of an amount of virtual objects and level of interactions within the portion of the persistent virtual world system visible to a user avatar. Methods thereof are also provided.

Abstract: Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing a program and a method for detecting a pose of a user. The program and method include operations comprising receiving a monocular image that includes a depiction of a body of a user; detecting a plurality of skeletal joints of the body based on the monocular image; accessing a video feed comprising a plurality of monocular images received prior to the monocular image; filtering, using the video feed, the plurality of skeletal joints of the body detected based on the monocular image; and determining a pose represented by the body depicted in the monocular image based on the filtered plurality of skeletal joints of the body.

Abstract: An image processing device includes at least one processor, in which in a case in which, for at least one image of a real image visually recognized by a user through a transmission unit of a glasses-type information display device or a projected image projected onto the transmission unit and visually recognized by the user, a visibility change unit that changes visibility by the user changes visibility of the real image, the processor generates an image simulating the real image after the change in visibility from a captured image obtained by imaging a real world with a camera based on at least one of information indicating the change in visibility, model information on the glasses-type information display device, or model information on the camera.

Abstract: In an example, a method includes receiving, at least one processor, voxelised object model data describing at least part of an intended fabrication chamber content to be generated using additive manufacturing. The voxelised object model data may be derived from a first data set modelling a first object as 2D slices and a second data set modelling a second object as a 3D mesh. Data within the voxelised object model data which is derived from the first data set may be identified, and a geometrical transformation may be applied thereto.

Abstract: A system comprises an encoder configured to compress and encode data for a three-dimensional mesh using a video encoding technique. To compress the three-dimensional mesh, the encoder determines sub-meshes and for each sub-mesh: texture patches and geometry patches. Also the encoder determines patch connectivity information and patch texture coordinates for the texture patches and geometry patches. The texture patches and geometry patches are packed into video image frames and encoded using a video codec. Additionally, the encoder determines boundary stitching information for the sub-meshes. A decoder receives a bit stream as generated by the encoder and reconstructs the three-dimensional mesh.

Abstract: Provided is a method including: associating a virtual display of an object with first media content including a first type media content; associating the virtual display of the object with second media content that includes second type media content; generating a data model that includes the virtual display associated with the first media content and the second media content; and storing the data model in a storage device coupled to the computer system. As such, the method unifies all components (e.g., media content, tags, permissions, descriptions) of the data model—text description and attributes, image, video, and audio—to create a unique, multi-dimensional, transferable digital representation of an idea, memory, or history tied to the object.

Abstract: A method and an apparatus for 4D road scene annotation based on time series data includes: obtaining point cloud data and multi-view 2D image data of a same road scene at a same time series, as well as a rotation matrix R and a translation vector t obtained through sensors; merging all the point cloud data into a combined point cloud using the rotation matrix R and the translation vector t; performing dynamic and static object annotation and lane line annotation on the combined point cloud in the 4D road scene; and mapping annotation information in the 4D road scene to all the 2D image data at the time series based on camera parameter information, to obtain annotation information on 2D images. The method fully utilizes time series information, avoiding the loss of important information.

Abstract: Methods and systems are disclosed for performing operations comprising: receiving a video that includes a depiction of a real-world object; generating a three-dimensional (3D) body mesh associated with the real-world object that tracks movement of the real-world object across frames of the video; determining UV positions of the real-world object depicted in the video to obtain pixel values associated with the UV positions; generating an external mesh and associated augmented reality (AR) element representing the real-world object based on the pixel values associated with the UV positions; deforming the external mesh based on changes to the 3D body mesh and a deformation parameter; and modifying the video to replace the real-world object with the AR element based on the deformed external mesh.

Abstract: System, methods, and machine-readable media to facilitate adaptive content composite interaction with respect to digitally distributed content are disclosed. Discovery may be performed, and events specified for digital distribution may be detected. A particular endpoint identifier mapped to media devices may be detected. Events may be determined as a function of access specifications. Content objects corresponding to the events may be received from a remote system via a network. Content composites corresponding to mapping specifications may be created for each content object with selecting and configuring an adaptable content object with the content object to form a content composite to facilitate presentation of the content composite.

Abstract: A connection may be established between an extended reality (XR) device and a non-XR device. User input may be received via one of the XR device and the non-XR device. Position information associated with the user input may be captured by the one of the XR device and the non-XR device. The position information associated with the user input may be converted to be executable by the other device of the XR device and the non-XR device. The other device of the XR device and the non-XR device may perform an action in response to the user input received by the one of the XR device and the non-XR device.

Abstract: The present disclosure describes techniques for determining a bounding box. An image may be received. An X-frame, a Y-frame, and a normal frame may be estimated based on the image using a first neural network. At least one planar region may be detected from the image using a second neural network. A vanishing point detection may be performed on each of the at least one planar region. Output of the first neural network may be fused with results of the vanishing point detection. A depth value of each pixel in at least one plane corresponding to the at least one planar region may be determined based at least in part on a result of the fusing. A location of a bounding box may be determined based at least in part on the depth value of each pixel in the at least one plane.

Abstract: Head-mounted display systems with power saving functionality are disclosed. The systems can include a frame configured to be supported on the head of the user. The systems can also include a head-mounted display disposed on the frame, one or more sensors, and processing electronics in communication with the display and the one or more sensors. In some implementations, the processing electronics can be configured to cause the system to reduce power of one or more components in response to at least in part on a determination that the frame is in a certain position (e.g., upside-down or on top of the head of the user). In some implementations, the processing electronics can be configured to cause the system to reduce power of one or more components in response to at least in part on a determination that the frame has been stationary for at least a threshold period of time.

Abstract: Systems and methods are provided for rendering hair. The systems and methods include receiving hair spline data comprising coordinates of a plurality of hair strands; selecting a first hair strand of the plurality of hair strands; retrieving coordinates of the first hair strand; identifying based on the respective coordinates of the plurality of hair strands a second hair strand that is adjacent to the first hair strand; storing a reference to the second hair strand in association with the coordinates of the first hair strand; and generating one or more additional hair strands between the first hair strand and the second hair strand based on the coordinates of the first hair strand and the reference to the second hair strand.

Abstract: A synthetic lifelike behavioral character animation system and methods for simulating lifelike behavior in an animated character. The system provides simulated lifelike character behavior for use in a variety of interactive contexts such as AI interactive agents, video games, and metaverse-type experiences. The system processes contextual information and generates behavioral outputs that drive character animation that is lifelike and believable in nature.

Abstract: Disclosed herein is a method of transmitting point cloud data, including encoding point cloud data, and transmitting a bitstream containing the point cloud data. Disclosed herein a method of receiving point cloud data, including receiving a bitstream containing point cloud data, and decoding the point cloud data.

Abstract: A display driver integrated circuit and a display driving method are provided. The display driver integrated circuit is suitable for driving a display panel of an electronic device. The display driver integrated circuit includes an image processing circuit, a timing controller, and a data driving circuit. The image processing circuit is configured to generate an output image based on time information, a background image, and an original time indication image. The timing controller is coupled to the image processing circuit, and configured to receive the output image. The data driving circuit is coupled to the timing controller, and configured to receive the output image and generate data voltages according to the output image. The data driving circuit drives the display panel according to the data voltages regarding to the output image.

Abstract: A method is provided that includes generating a four-dimensional (4D) model of an environment based on three-dimensional (3D) coordinates of the environment captured at a first point in time. The method further includes updating the 4D model based at least in part to an update to at least a subset of the 3D coordinates of the environment captured at a second point in time. The method further includes enriching the 4D model by adding supplemental information to the model.

Abstract: Some embodiments provide a mapping application that displays a rotation of a 3D map and corresponding rotation of a set of map labels overlaying the 3D map in response to receiving input to rotate the 3D map. When a particular map label in the set of map labels rotates towards an upside down orientation, the mapping application also replaces the particular map label with a version of the particular map label arranged in a right side up orientation to prevent the particular map label from being displayed in the upside down orientation in the 3D map.

Abstract: Embodiments are disclosed for synchronously editing locally repeating vector geometry. In particular, in one or more embodiments, the disclosed systems and methods comprise receiving a selection of a first plurality of segments of a vector-based object to be edited, generating a stencil mask of the first plurality of segments, the stencil mask representing segment placement and primitive types for each of the first plurality of segments, identifying a second plurality of segments of the vector-based object using the stencil mask and a stencil predicate, determining a transform between the first plurality of segments and the second plurality of segments, receiving an edit to the first plurality of segments, and applying the edit to the second plurality of segments using the transform.

Abstract: A photograph of a component after construction is acquired. A first program implemented on a communication terminal device displays a construction photograph solicitation icon soliciting a construction photograph on a display panel, when there is a component without the construction photograph in a first database stored in a memory of a second server. When accepting a selection of the construction photograph solicitation icon, the first program launches an imaging program and acquires photograph data. Alternatively, the first program acquires photograph data selected from a folder. The first program sends the acquired photograph data to the second server through a first server. A third program of the second server registers the sent photograph data in a second database. An operator selects one photograph from photographs shown by a plurality pieces of photograph data registered in the second database, and registers the photograph data of the selected photograph in the first database.

Abstract: A human model such as a 3D human mesh may be generated for a person in a medical environment based on one or more images of the person. The images may be captured using a sensing device that may be attached to an existing medical device such as a medical scanner in the medical environment. Such an arrangement may ensure that unblocked views of the person (e.g., body keypoints of the person) may be obtained and used to generate the human model. The position of the medical device in the medical environment may be determined and used to facilitate the human model construction such that the pose and body shape of the person in the medical environment may be accurately represented by the human model.

Abstract: Moving images are switched naturally when development of a story is switched according to a situation. An image display system includes a display unit that displays a moving image, an acquisition unit that acquires a motion of a user viewing the moving image displayed by the display unit, a determination unit that determines whether or not the motion of the user acquired by the acquisition unit satisfies a predetermined switching condition in which the user does not recognize switching between images even when the moving image displayed by the display unit is switched from first moving image data to second moving image data different from the first moving image, and a switching unit that switches the moving image displayed by the display unit from the first moving image data to the second moving image data when the determination unit determines that the switching condition is satisfied.

Abstract: An information processing device including a control unit that controls a display terminal that arranges a virtual object in a real space by using a coordinate system associated with the real space, in which the control unit determines whether to update first spatial information of a first display terminal and second spatial information of a second display terminal, which are used for determining a position of the virtual object, based on a first operation state of the first display terminal and a second operation state of the second display terminal that shares the virtual object with the first display terminal.

Abstract: One embodiment of a method for rendering one or more graphics images includes tracing one or more rays through a graphics scene; storing one or more hit points based on one or more coordinate frames associated with one or more voxels of a grid, where the one or more rays intersect one or more surfaces of geometry in the one or more voxels; and rendering one or more graphics images based on the one or more hit points that are stored.

Abstract: A method of detecting a collision of objects, an electronic device and a storage medium, which may be applied to a field of electronic technology, in particular to a field of intelligent transportation and map navigation technology. The method includes: acquiring an attribute information of each of two objects, including a rotation position of the object relative to a predetermined three-dimensional space and a size information of the object projected onto a predetermined two-dimensional plane; determining a size information of a bounding box for each object according to the size information of each object, a center of the bounding box is located at the rotation position of the object; and determining a collision result according to the rotation positions of the two objects and the size information of the bounding boxes for the two objects.

Abstract: A display device includes a display unit, and a control unit that displays a flight route of a flying object flying while photographing surroundings of a crane on the display unit. The control unit is configured to display the crane and the flight route on the display unit, and to display the flight route in a display mode viewed from at least two different directions.

Abstract: The disclosed technology relates to detection of attention exhibited by a second user to a first user's avatar in a virtual reality environment. A first user's avatar activity and the second user's activity are evaluated to determine the second user's (e.g., via another avatar) attention level directed towards first user's avatar. Information can be sent to notify the first user that the second user's attention level has satisfied attention-level criterion data. For example, if the second user is viewing and/or is within audio range of the first user for too long of a time or too frequently, then the first user can be notified and/or other action taken. Remedial action is available for negative attention, such blocking the second user from experiencing the first user in the environment. Detection of attention for positive purposes is available, such as to reward an influencer whose avatar is receiving significant attention from followers.

Abstract: This application discloses a three-dimensional human pose estimation method performed by a computer device. An initialization pose estimation result of a single video frame in a video frame sequence of n views is extracted based on a neural network model. Single-frame and single-view human pose estimation is performed on the initialization pose estimation result for each video frame, to obtain n single-view pose estimation sequences respectively corresponding to the n views. Single-frame and multi-view human pose estimation is performed according to single-view pose estimation results with the same timestamp in the n single-view pose estimation sequences, to obtain a multi-view pose estimation sequence. Multi-frame and multi-view human pose estimation is performed on a multi-view pose estimation result in the multi-view pose estimation sequence, to obtain a multi-view and multi-frame pose estimation result. Therefore, accuracy of human pose estimation is improved.

Abstract: In some embodiments, a method receives a first request for a first time window and a first viewport position for a client that is viewing a 360 degree video. A first message is sent to indicate a computing device will push content in a stream for a first one or more time windows other than the first time window. The method pushes content based on the first viewport position for the first time window to the client. A second request is received to change from the first viewport position to a second viewport position. The method sends a second message to indicate the computing device will push content in the stream for a second one or more time windows without canceling the stream. The method pushes content based on the second viewport position in the 360 degree video for the second one or more time windows to the client.