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276results about "Image rendering" patented technology
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Modeling configurable atmospheric conditions using point clouds for sensor simulation
In various examples, systems and methods are disclosed relating to transforming sensor measurements according to configurable atmospheric conditions. One or more circuits can identify a point cloud comprising a plurality of points and a parameter of a weather condition to simulate and modify an intensity of at least one of the plurality of points according to the parameter of the weather condition. The one or more circuits can update, based at least on a subset of the plurality of points and the parameter of the weather condition, the point cloud to include one or more additional points.
Owner:NVIDIA CORP
Displaying virtual content in augmented reality using a map of the world
ActiveUS12536753B2Input/output for user-computer interactionImage analysisComputer graphics (images)World map
An augmented reality display system comprises a passable world model data comprises a set of map points corresponding to one or more objects of the real world. The augmented reality system also comprises a processor to communicate with one or more individual augmented reality display systems to pass a portion of the passable world model data to the one or more individual augmented reality display systems, wherein the piece of the passable world model data is passed based at least in part on respective locations corresponding to the one or more individual augmented reality display systems.
Owner:MAGIC LEAP INC
Virtual avatar animation based on facial feature movement
The present disclosure generally relates to displaying visual effects such as virtual avatars. An electronic device having a camera and a display apparatus displays a virtual avatar that changes appearance in response to changes in a face in a field of view of the camera. In response to detecting changes in one or more physical features of the face in the field of view of the camera, the electronic device modifies one or more features of the virtual avatar.
Owner:APPLE INC
Physical special effect rendering method and apparatus, computer device, and storage medium
This application relates to a physical special effect rendering method performed by a computer device. The method includes: obtaining physical special effect data of physical special effect particles emitted by a particle emission plug-in in a previous frame; obtaining a first target instance obtained by instantiating a scene management class; invoking, through the first target instance, a scene manager of a particle simulation tool to calculate motion state information of the physical special effect particles in a current frame based on the physical special effect data in the previous frame; and updating the physical special effect data in the previous frame based on the motion state information of the current frame to render a physical special effect in the current frame.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD
Method and system for real-time rendering of hydrodynamic data
The invention provides a method and system for real-time rendering of hydrodynamic data, and the method comprises the steps: obtaining hydrodynamic result data, carrying out the standardized processing of the hydrodynamic result data according to a target format, and obtaining a standardized result; reading vertex coordinate data and triangular grid index data of the standardized result, traversing a vertex coordinate data set based on values of the triangular grid index data, and further constructing a grid; the hydrodynamic result data of the current time period are packaged and transmitted to the water body grid models, and then grid vertex coordinate data of the water body grid models of the two different time periods are stored into a plurality of UV channels; creating a shader, reading vertex coordinate data in the UV channel and forming three-dimensional vector coordinate data; and constructing the texture of the water body to obtain a rendering result. According to the method, through a mode of reading the hydrodynamic data of multiple time periods in real time and rendering the data, the time for scientific calculation is shortened, and real-time rendering is supported.
Owner:ECCOM NETWORK SYST CO LTD
BIM (Building Information Modeling) instantiation rendering method and system based on Cesium
The invention relates to a BIM (Building Information Modeling) instantiation rendering method and system based on Cesium, and the method comprises the steps: loading a BIM and analyzing model data, and generating a geometry for instantiation; performing instantiation processing on the geometry, setting an instantiation number and geometry attributes, and generating instantiated geometry data; executing an editing operation based on the instantiated geometry data; after each editing operation, performing difference comparison on the instance attributes before and after editing, and determining a target instance of which the attribute is changed; updating the corresponding rendering data and executing local rendering refreshing based on the target instance with the changed attribute; and after rendering is completed, executing model output operation, wherein the output operation comprises the steps of storing a current model state or exporting a new glTF or glb file. The method has the effect of improving the flexibility of model editing.
Owner:BEIJING SHANGFANG SMART CLEAN ENERGY CO LTD
Alignment of augmented reality components with the physical world
A system is disclosed, including a processor and a memory. The memory stores instructions that, when executed by the processor, configure the system to perform operations. Surface plane information is obtained, defining a surface plane passing through a surface location and oriented according to a surface normal. An edge is detected in an image. Virtual content is presented, having a virtual position based on an orientation of the edge and the surface plane information.
Owner:SNAP INC
Method and system for simulation of light pollution by satellite system
The disclosed technology is generally directed to a method for simulating light pollution by a satellite system including at least one satellite. In one example of the technology, the method may include receiving orientation and solar panel parameters associated with the satellite, a position of the Earth with respect to the Sun, importing a database including multiple point of interests (POIs) on the Earth, and determining a surface roughness parameter of the satellite using a Gaussian distribution model. Based on the orientation and solar panel parameters, the position of the Earth, and the surface roughness parameter: simulating the light pollution by the satellite to iteratively determine the light pollution at the POIs. The method may include storing the light pollution determined at the POIs in a buffer and dynamically rendering a user interface to display a visualization representing the light pollution by the satellite at the POIs.
Owner:WILDSTAR LLC
Generating shadows for objects in two-dimensional images utilizing a plurality of shadow maps
The present disclosure relates to systems, methods, and non-transitory computer-readable media that modify two-dimensional images via scene-based editing using three-dimensional representations of the two-dimensional images. For instance, in one or more embodiments, the disclosed systems utilize three-dimensional representations of two-dimensional images to generate and modify shadows in the two-dimensional images according to various shadow maps. Additionally, the disclosed systems utilize three-dimensional representations of two-dimensional images to modify humans in the two-dimensional images. The disclosed systems also utilize three-dimensional representations of two-dimensional images to provide scene scale estimation via scale fields of the two-dimensional images. In some embodiments, the disclosed systems utilizes three-dimensional representations of two-dimensional images to generate and visualize 3D planar surfaces for modifying objects in two-dimensional images. The disclosed systems further use three-dimensional representations of two-dimensional images to customize focal points for the two-dimensional images.
Owner:ADOBE INC
Method for moving and aligning 3D objects in a plane within the 2D environment
Example systems and methods for virtual visualization of a three-dimensional model of an object in a two-dimensional environment. The method may include moving and aligning the three-dimensional model of the object along a plane in the two-dimensional environment.
Owner:WEST TEXAS TECHNOLOGY PARTNERS LLC
Viewing angle switching method and apparatus, and vehicle
Owner:HUAWEI TECH CO LTD
Localization of light sources using reference viewpoints
A method and an apparatus for processing a 3D scene are presented. Techniques are disclosed for determining light source locations, including tracking a current viewpoint of a camera capturing object(s) in a 3D scene and determining a reference viewpoint relative to the current viewpoint of the camera. According to aspects, a light source location is determined by obtaining a registered map of real cast shadows of the object(s) from an input image captured by the camera, registered with respect to the reference viewpoint. Then, for candidates of light sources, obtaining respective maps of virtual shadows of the object(s) created with respect to the reference viewpoint, and determining the location of the light source based on the candidates of light sources with respective maps of virtual shadows that match the registered map of real cast shadows.
Owner:INTERDIGITAL MADISON PATENT HLDG
Lighting information processing method and device, electronic equipment and storage medium
The application provides a light information processing method and device, electronic equipment, computer program product and computer readable storage medium; the method comprises: acquiring real light information corresponding to a real scene; acquiring virtual light information corresponding to a virtual scene; comparing and calculating the virtual light information and the real light information to obtain light difference information; performing light attenuation calculation based on the light difference information to obtain configuration parameters of at least one supplementary light source, wherein the supplementary light source is used for supplementary lighting; matching each supplementary light source configuration parameter with a lamp database to obtain a target lamp corresponding to each supplementary light source in the lamp database; taking each target lamp and the configuration parameter corresponding to each target lamp as configuration information, and performing scene light synchronization based on the configuration information. Through the application, the accuracy of synchronizing the light between the virtual scene and the real scene can be improved.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD
Volumetric Re-Lighting of 3D Objects
Techniques for volumetric re-lighting of 3D objects are disclosed. In an example method, a computing system receives a first image of a three-dimensional (“3D”) object. The computing system generates a de-lighted image of the 3D object based on the first image. The computing system generates an embedded representation of the 3D object based on the de-lighted image and a first representation of the de-lighted image based on the embedded representation using a first machine learning (“ML”) model. The computing system generates a second representation of the 3D object using a second ML model based on orientation and lighting information and one or more internal states of the first ML model. The computing system generates a third representation of the 3D object by combining the first and second representations. The computing system renders a second image of the 3D object based on the third representation of the 3D object.
Owner:ADOBE INC
Real-time rendering method of a three-dimensional object
Real-time rendering method (100) of a three-dimensional object comprising the following phases : performing (110) the rendering of the substantially opaque elements by realizing at least one first image; performing ( 120 ) a plurality of sequential steps i with i ranging from 1 to N wherein the transmissive element s are rendered from the furthest to the closest to the virtual video / photo-camera according to a predetermined ordered list by realizing a respective plurality of second images, where in the first step i=1 one or more transmissive element s furthest away from the virtual video / photo-camera are rendered using the at least one first image to determine the spectrum of the light directed towards the virtual video / photo-camera coming from the transmissive elements to be rendered, and where in each step i one or more transmissive element s are rendered using the second image obtained in the immediately preceding step i-1 to determine the spectrum of the light directed towards the virtual video / photo-camera coming from the transmissive elements to be rendered; the predetermined ordered list being selected from a plurality of pre-calculated ordered lists by a pre- calculation procedure (200), where each pre-calculated ordered list relates to a respective predetermined pose of the three-dimensional object with respect to the virtual video / photo-camera, the selected predetermined ordered list being that relative to the predetermined pose closest to the desired pose.
Owner:LUXOTTICA GRP SPA
A human head dynamic modeling relightable gaussian mixture shape method
The application discloses a human head dynamic modeling relightable Gaussian mixed shape method, which comprises training image collection and preprocessing, mesh mixed shape training, Gaussian mixed shape training and human head animation generation. The relightable Gaussian mixed shape expression comprises a mesh mixed shape and a Gaussian mixed shape; the mesh mixed shape is used for capturing individual characteristics and is responsible for normal and visibility calculation; the Gaussian mixed shape is responsible for coloring and final image rendering; both are composed of a neutral model representing a neutral expression and a plurality of base expression models corresponding to basic expressions. Human face and head models of arbitrary expressions are efficiently generated by linearly mixing the neutral model and the base expression models. The application expands the Gaussian mixed shape expression without reducing drawing quality and running speed, so that the Gaussian mixed shape expression supports relighting applications, and better serves the production of applications such as movies, animation production, network games and remote conferences.
Owner:ZHEJIANG UNIV
System and method for diagnostic imaging
A computing system receives a first image of a three-dimensional object in a human body. The first image of the three-dimensional object includes a structure located in the three-dimensional object. The computing system receives an indication of a location of the structure in the first image. The computing system defines a main axis of the structure based on the indication of the location of the structure and an orientation of the structure. the computing system determines a two-dimensional plane along the main axis of the structure. The computing system generates a second image of the three-dimensional object and the structure along the two-dimensional plane.
Owner:GE PRECISION HEALTHCARE LLC
Image processing method and apparatus, and electronic device
The present disclosure provides an image processing method, an apparatus and an electronic device. The method includes: determining N texture images corresponding to a first image, and a correspondence between the N texture images and N model faces of a three-dimensional model, where N is an integer greater than 1; determining, according to the correspondence and an offset coefficient, a mapping region corresponding to each model face in the N texture images, where the mapping region is at least partial region of a texture image; mapping mapping regions in the N texture images to the three-dimensional model to obtain a three-dimensional image corresponding to the first image. A display effect of the three-dimensional image is improved and flexibility of three-dimensional image acquisition is improved.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD
Methods and systems for providing interface components for respiratory therapy
PendingEP4651105A3Mechanical/radiation/invasive therapiesKernel methodsPhysical medicine and rehabilitationComputer vision
The present invention relates to A method of generating a three-dimensional surface scan of a user's face for obtaining a patient respiratory interface component, the method comprising receiving first video data comprising a plurality of video frames of the user's face taken from a plurality of angles relative to the user's face, receiving second video data comprising a plurality of frames of the user's face taken from a same angle relative to the user's face and from a plurality of distances from the user's face generating a digital three-dimensional representation of a surface of the user's face based on the plurality of video frames of the first video data, deriving scale estimation data from the second video data, and scaling the digital three-dimensional representation of the user's face based on the scale estimation data.
Owner:RESMED PTY LTD
Virtual production based on display assembly pose and pose error correction
Systems, apparatus, and methods for rendering content based on production element pose are disclosed. In an example, motion capture data of a production element is received, the production element moving from a first physical pose to a second physical pose. The motion capture data is processed to determine the coordinates of the second physical pose. A transformation of the second physical pose of the production element to a virtual pose of the production element is generated. A virtual model of the production element is updated, the virtual model comprising the virtual pose of the production element. The content is rendered based on the updated virtual model.
Owner:NANT HOLDINGS IP LLC +1
Systems, methods and apparatus for implementing tracked data communications on a chip
An electronic chip, chip assembly, device, system, and method enabling tracked data communications. The electronic chip comprises a plurality of processing cores and at least one hardware interface coupled to at least one of the one or more processing cores. At least one processing core implements a game and / or simulation engine, at least one processing core implements a position engine, and at least one processing core implements a gyroscope and, optionally, an IMU. The at least one position engine obtains pose data from an external positioning system comprising GNSS augmented by millimeter-wave cellular networks and / or Wi-Fi; and internal pose data from the gyroscope, optional IMU, and game and / or simulation engine, the data comprising inertial, 3D structure, and simulation data, thereby computing a 6 DOF pose of the client device, driving processing of 3D applications by the one or more game and / or simulation engine.
Owner:THE CALANY HLDG S.À.R L
XR content control method and system in an XR cave environment
The method for controlling XR content in an XR cave environment includes the steps of projecting XR content into the XR cave, detecting a large number of pedestrians using a camera arranged in the XR cave and calculating the average moving speed and direction of the large number of pedestrians, correcting the projection position and speed of the XR content based on the calculated average moving speed and direction of the large number of pedestrians, and reflecting and projecting the corrected XR content onto the wall surface of the XR cave.
Owner:NEWJAK CO LTD
Augmenting a view of a real-world environment with a view of a volumetric video object
The present invention relates to a method of augmenting a view (2) of a real- world environment (3) with a view (4) of a volumetric video object (5) on a user device (10). The method comprises determining a current pose information (CPI) indicating a current pose of the view (2) of the real-world environment (3) and a desired pose of the volumetric video object (5) in the real-world environment (3). The method further comprises sending the current pose information (CPI) to a remote server (20). The method further comprises receiving a rendered view (4) of the volumetric video object (5) that has been rendered in accordance with the current pose information (CPI) from the remote server (20). The method further comprises augmenting the view of the real-world environment (3) by at least mapping the rendered view (4) of the volumetric video object (5) onto a planar mapping surface (6, 6') arranged according to the desired position of the volumetric video object (5).
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
Image Processing Device
To provide an image processing apparatus that can generate highly immersive background images in a three-dimensional virtual space using the entire celestial sphere image.SOLUTION: An image processing apparatus 3 comprises: a model forming part 33 that generates a sphere model Ms with a center C as a reference point in a three-dimensional virtual space and forms a horizontal plane model Mh with a distance Dh to the center C of the sphere model Ms being set based on ground surface distance information; and a drawing part 34 that associate coordinate values of each vertex on the sphere model Ms and coordinate values of each vertex on the horizontal plane model Mh with coordinate values of an entire celestial sphere image I, replaces the coordinate values of the entire celestial sphere image I corresponding to the coordinate values of each vertex Ph on the horizontal plane model Mh with the coordinate values of the entire celestial sphere image I set at each intersection point Ps of a direction vector from the center C of the sphere model Ms to each vertex Ph and the sphere model Ms, and maps the entire celestial sphere image I to the spherical model Ms and the horizontal plane model Mh to form a background image Imap of the three-dimensional virtual space.SELECTED DRAWING: Figure 4
Owner:SUZUKI MOTOR CORP
A method for optimizing shadow precomputation based on light source clustering technique
The application discloses a method for optimizing shadow precomputation based on light source clustering technology, which comprises the following steps: firstly, uploading a scene file; secondly, analyzing light source properties; thirdly, setting rendering parameters and submitting the scene file and the rendering parameters to a cloud rendering system; fourthly, clustering light sources through script processing of node machines of the cloud rendering farm, and then identifying key light sources; fifthly, allocating machine resources and precomputing allocation; sixthly, generating a map after power allocation; seventhly, synthesizing shadows; eighthly, dynamically adjusting; ninthly, performing rendering; and tenthly, generating and outputting a rendering output image. The application not only improves rendering efficiency and shadow quality, but also provides an efficient, simple and reliable offline rendering solution for users through intelligent management and optimization.
Owner:SHENZHEN RENDERBUS TECH
XR Content Control Method and System in an XR CAVE Environment
The method for controlling XR content in an XR cave environment includes the steps of projecting XR content into the XR cave, detecting a large number of pedestrians using a camera arranged in the XR cave and calculating the average moving speed and direction of the large number of pedestrians, correcting the projection position and speed of the XR content based on the calculated average moving speed and direction of the large number of pedestrians, and reflecting and projecting the corrected XR content onto the wall surface of the XR cave.
Owner:NEWJAK CO LTD
Shadow estimation method and device, electronic equipment and readable storage medium
This application discloses a shadow estimation method, apparatus, electronic device, and readable storage medium, belonging to the field of artificial intelligence technology. The method involves: acquiring a first virtual image corresponding to a target virtual space; rendering a target virtual object in the target virtual space using the first virtual image as a background to obtain a first mapping image corresponding to the target virtual space; determining a material estimation image of the first mapping image, the material estimation image indicating the material reflectivity of the object in the first mapping image; and estimating the shadow parameters of the target virtual object based on the material estimation image.
Owner:VIVO MOBILE COMM HANGZHOU CO LTD
Dynamically modifying visual rendering of a visual element comprising a visual contouring associated therewith
Method and system for dynamically modifying, in an interactive computer simulation station, visual rendering of a visual element in a computer generated environment from an interactive computer simulation. Pre-defined visual characteristics comprise a visual contouring associated with the visual element. The method comprises receiving, via a tangible instrument module, one or more commands for controlling a simulated vehicle. The method also comprises dynamically affecting the visual contouring of the visual element considering at least one of a distance factor between the simulated vehicle and the visual element in the computer generated environment and a relative contrast between the pre-defined visual characteristics of the visual element and underlying computer generated environment elements. The distance factor and the relative contrast are determined in real-time during execution of the interactive computer simulation prior to rendering the visual element for display.
Owner:CAE INC
Local environment scanning to characterize physical environment for use in vr / ar
A user's environment is scanned (200) and an augmented reality game such as a treasure is set up (204) based on the scan. The user needs to use (210) a phone to uncover clues in a game environment that is customized to user's own personal real-world environment, which is discovered using SLAM or GPS so that a map of furniture can be built. The game hides (208) a virtual object (508) behind a virtualized image of the real-world furniture (502, 504, 506). Machine learning may be used to train (304) a model with common objects and where interesting hidden spaces could exist. Given the user's inputted data, real world physical room data and objects are used to determine (402) a likely location to hide a virtual object.
Owner:SONY INTERACTIVE ENTERTAINMENT LLC
Alignment of augmented reality components with the physical world
A system is disclosed, including a processor and a memory. The memory stores instructions that, when executed by the processor, configure the system to perform operations. Surface plane information is obtained, defining a surface plane passing through a surface location and oriented according to a surface normal. An edge is detected in an image. Virtual content is presented, having a virtual position based on an orientation of the edge and the surface plane information.
Owner:SNAP INC