421 results about "Virtual reality" patented technology

This invention relates to the fields of computer vision and computer graphics, and provides a method and system for dynamic human body reconstruction from monocular video based on 3D Gaussian splashing. The method includes the following steps: data preprocessing; initialization of the normalized space 3D Gaussian; deformation of the normalized space 3D Gaussian to an intermediate pose space to obtain a non-rigidly deformable 3D Gaussian and pose-related features; transformation of the non-rigidly deformable 3D Gaussian to the observation space using linear blending skinning to obtain the observation space 3D Gaussian; decoding the viewpoint-related color based on Gaussian color features, pose-related features, and viewpoint direction; constructing a total loss function including a normal consistency regularization term to optimize the 3D Gaussian attributes and network parameters; and rendering the target human body image using a differentiable Gaussian splash rasterizer. This invention enables rapid and fully automatic reconstruction from monocular video to a high-fidelity, animable human body model, applicable to fields such as virtual reality and film production.

This invention provides a virtual reality method and system for constructing a geometrically perceptible material field based on a large model and driving real-time interactive sound synthesis. The method includes: acquiring geometric data and multi-view observation data of the target object; generating prior material constraint information from a large model and fusing the multi-view data to obtain the material feature field of the target object; generating physical sound assets offline based on the material feature field; acquiring interaction state information during virtual reality scene runtime, mapping it to excitations consistent with geometric position and interaction process, and synthesizing collision and friction sounds, enabling the same object to produce continuously changing and distinguishable sound feedback under different touch positions, sliding paths, and contact areas. This invention achieves real-time synthesis and output of collision and friction sounds by constructing a material feature field bound to the geometric space of the virtual object and driving physical sound assets in conjunction with interaction state information during runtime, thus enhancing the consistency of auditory feedback and immersive experience in virtual reality scenes.

The application relates to an acupuncture training method and device and a storage medium, and comprises the following steps: S1: an environment construction step: a virtual reality training environment is constructed, the virtual reality training environment comprises a learning unit for acupoint knowledge display and an examination unit for interactive operation; wherein the examination unit pre-stores a three-dimensional human acupoint coordinate model established based on standard anatomy data, the three-dimensional human acupoint coordinate model defines standard space coordinates of each acupoint and a permitted coordinate deviation range of the acupoint; S2: a knowledge display and operation collection step: the learning unit is controlled, and graphic and three-dimensional anatomical information of at least one target acupoint combination is displayed to a user; subsequently, the examination unit is controlled to load a three-dimensional human model corresponding to the target acupoint combination, and interactive operation data of the user for positioning the target acupoint combination through an interactive device is received; and the application can better realize acupuncture training.

The present invention relates to a system (1) which enables coaches, players and spectators to watch football matches live with 5G, NB-IoT, augmented reality and virtual reality technologies.

The application discloses an eye movement tracking method and system based on a mixed attention mechanism and belongs to the technical field of computer vision and artificial intelligence. By constructing a double-channel input convolutional neural network, a configurable channel attention module and a spatial attention module are integrated to form a mixed attention mechanism, and an angle loss function based on a three-dimensional geometric model is designed, so that the estimation accuracy of a gaze point and visual consistency are significantly improved. The method has the characteristics that the requirements of high-precision gaze estimation and real-time inference speed are met at the same time, the average angle error reaches 2.8 degrees, and the inference speed is kept at 120 frames per second. The insertion position of the attention module is dynamically adjusted through a configuration file, the gaze estimation performance of the model is improved, and then the user experience of application scenarios such as virtual reality, augmented reality and driver monitoring is improved, so that the method has a wide application prospect.

An interactive data immersion and collaboration system comprising an augmented reality (AR) or virtual reality (VR) headwear (e.g., glasses, goggles, headset, etc.) and a computer software application configured to display to the user a dynamic, interactive presentation of data or data sets in a virtual environment that appears to surround the user and that enables a user to configure, arrange, and / or edit the data in a variety of ways.

A system for dynamic latent space adaptation using spatiotemporal kernel context for multiscale rendering with hierarchical and Lorentzian autoencoders. The Spatiotemporal Kernel Estimator (SKE) analyzes media through motion field, temporal recurrence, frequency band, and scene semantics analyzers to generate adaptive kernel parameters encoding content-specific importance distributions. The system dynamically adapts latent manifold geometry by modifying metric tensor properties according to kernel context, enabling content-aware compression that allocates representational capacity based on visual significance. A multiscale cache implements kernel-adaptive retention policies prioritizing important regions. An adaptive renderer provides intelligent level-of-detail selection based on zoom level and kernel-estimated importance, optimizing processing allocation. The self-optimizing architecture continuously refines kernel context and geometric adaptation based on user interaction and performance feedback, achieving superior compression ratios and perceptual quality. Applications include bandwidth-efficient video streaming, virtual reality, scientific visualization, and cognitive video analytics requiring intelligent context-aware visual processing.

The disclosed principles provide a system and method for improving brain health in a virtual reality environment. The system includes a virtual reality appliance and an artificial intelligence enabled program for providing and customizing the virtual reality environment with a treatment plan. The artificial intelligence enabled program includes an initial treatment phase wherein a user's baseline metrics are measured. Using these metrics, a treatment plan is created during a treatment plan development phase. The treatment plan is implemented during a treatment phase through a series of repeated mindfulness, cognitive, and physical exercises presented in a virtual reality environment. Data corresponding to the user's inputs during treatment is collected and stored. An artificial intelligence program analyzes user input data and modifies the treatment plan accordingly to optimize treatment. Treatment and evaluation and modification are alternately repeated according to the personalized, artificial intelligence-modified treatment plan to strengthen neural pathways.

Output diffraction gratings, diffractive waveguide combiners, and augmented reality or virtual reality displays are disclosed. An output diffraction grating includes a first array of optical structures arranged on a plane and forming a two-dimensional grid, the first array including first adjacent optical structures spaced apart from one another in each of a first direction and a second direction in the plane of the output diffraction grating such that they are not in contact with one another, and a second array of optical structures arranged on the plane and forming a second two-dimensional grid, the second array including second adjacent optical structures similarly spaced apart from one another such that they are not in contact with one another; the first array is superimposed on the second array such that the first and second arrays are spatially offset from one another in the first and second directions and are not in contact, and an optical structure from the second array is disposed between one of the first adjacent optical structures; each of the optical structures in the first array includes a different shape in the plane from each of the optical structures in the second array.

The application provides a virtual reality device, a method and a storage medium, and belongs to the technical field of virtual reality. The virtual reality device provided by the application is provided with a plurality of cameras and a plurality of processing chips connected through a bus, and each processing chip is connected with part of the plurality of cameras, so that the plurality of processing chips share the virtual reality display task, the performance requirement of a single processing chip is low, and the cost can be effectively reduced.

A robotic surgical simulation system for clinical workplace simulation includes a virtual reality headset configured to display the clinical workplace simulation, a processor, and a memory. The memory includes instructions stored thereon, which, when executed by the processor, cause the robotic surgical simulation system to: generate a virtual operating room within a three-dimensional coordinate space. The virtual operating room includes a virtual surgical console. The instructions when executed by the processor further cause the system to compute, based on the captured image, a position of the user within the three-dimensional coordinate space relative to the virtual surgical console; and determine whether a user is engaged with or disengaged from the virtual surgical console based on the computed position.

This invention discloses an augmented reality (AR) and virtual reality (VR) environment enhancement method using an eye-wearing device. The eye-wearing device includes an image capture system, a display system, and a positioning detection system. The image capture system and the positioning detection system identify feature points within a point cloud representing a captured environmental image. The display system presents a layer of images to the user, including enhanced graphics located at these feature points within the environment.

The application discloses a kind of environment simulation method and system based on binocular stereo vision measurement, it is related to scene simulation technical field, and its technical solution points are: the method includes by constructing the physical imaging model in left and right optical elements in binocular stereo vision camera, and left and right view is obtained based on the physical imaging model;Determine the disparity map between the left and right view, determine scene depth image based on the disparity map;Three and more scene depth images generated by three and more different binocular stereo vision cameras corresponding to the scene are acquired, and the three and more scene depth images are fused, to construct the three-dimensional simulation model corresponding to the scene based on the depth image after fusion.The application can accurately reflect the depth level and spatial relationship of scene, and the three-dimensional simulation model finally constructed is more realistic, and can strongly support virtual reality, three-dimensional measurement and other applications.

The invention discloses a method and a system for accelerometer and gyroscope- based step counter for virtual reality navigation The method (300) includes capturing (302) a movement data of a user (106) wearing a head mounted display (HMD) device (102), filtering (304) the movement data captured using a sensor (206) to attenuate a noise generated along with the movement data to get a filtered data and analysing (306) the filtered data to determine if the filtered data is within a predefined threshold. The method further includes calculating (308) a step count if the filtered data is within the predefined threshold and increasing (310) a virtual step based on the step count calculated to mirror a real-world movement of the user (106) in a virtual environment.

This invention relates to a virtual reality landscaping simulation method and system integrating dynamic navigation. The method first constructs a digital twin model of a campus ecosystem, including various ecological entities and their quantified state parameters; establishes an ecological interaction model, defining and quantifying the type and intensity of interaction relationships between any two entities through mathematical functions; and generates a visualized ecological relationship network diagram based on this model. Users intervene in the model within the VR environment by editing commands on the network diagram, and the system translates these commands into modifications to the interaction model. Subsequently, the modified model is driven to perform dynamic ecological simulation calculations, obtaining the process of ecosystem state changes triggered by the editing operations. Finally, a dynamic visualization of this change process is generated and displayed in the VR environment. This invention achieves quantitative simulation and intuitive dynamic display of the ecological effects of greening schemes, enhancing the ecological intelligence and decision support capabilities of VR design tools.

The application provides a virtual reality processing incomplete human body scanning data completion generation method for fashion design, relates to the technical field of fashion design, and comprises the following steps: obtaining human body 3D scanning data required by fashion design, pre-processing the scanning data to obtain sparse incomplete human body 3D point cloud data; based on a trained generative adversarial network, the sparse incomplete human body 3D point cloud data is completed to obtain complete human body 3D point cloud data; the application adopts a generative adversarial network GAN and combines a fashion design scene to perform special adaptation optimization, proposes a GAN-C completion algorithm, solves the problem that existing generative AI completion methods are not adapted to the fashion design scene and the completion morphological distortion, the algorithm optimizes a loss function L1 and network parameters by specially constructing a training data set adapted to the fashion design, so that the key part morphology of the completed human body is more close to the real human body, and the core demand of garment production is accurately matched.

The present application belongs to the technical field of virtual reality simulation, and particularly relates to a pre-rendering method based on intelligent cockpit attitude prediction, comprising the following steps: establishing an instruction flow continuous analysis module at the entrance of a rendering pipeline; in response to detecting a turning event trigger point, analyzing the instruction queue after turning, extracting the angular acceleration sequence corresponding to the target attitude sequence, and extracting the time domain parameters including the acceleration segment length, the uniform speed segment length and the deceleration segment length on the angular acceleration sequence; constructing a nonlinear transition coefficient aligned with the phase of the platform real motion trajectory based on the time domain parameters, and performing hierarchical modulation on the nonlinear transition coefficient based on the depth buffer of the current frame to generate a pixel-by-pixel depth perception mixing coefficient. The present application eliminates the systematic visual attitude deviation caused by the linear mixing scheme and reduces the false artifacts of layer sliding at the depth boundary.

We provide the system. [Solution] A data collection means for receiving environmental and biometric information obtained from the user, An analysis means analyzes the data received from the data collection means and determines the user's state, Content generation means that generates virtual reality content based on the user's state determined by the analysis means, A means for transmitting generated virtual reality content to users, An adaptive mechanism that receives user interaction and dynamically adjusts content based on it, A means that enables the generation of virtual reality content related to the surrounding physical environment based on location information, A system that includes this.

The application relates to the technical field of virtual reality, in particular to a virtual reality-based experiment safety training method and a training system thereof. The method is applied to a training system configured with a virtual reality device, wherein a virtual experiment environment is constructed, the virtual experiment environment comprising a virtual cleaning tool and a virtual experiment instrument; the method comprises the following steps: playing a trajectory demonstration animation of performing a virtual hand cleaning operation in the virtual experiment environment; synchronously performing a real hand cleaning operation on a real hand of a trainee in a real environment; in a process in which the trainee performs an experiment operation on the virtual experiment instrument, randomly presenting a sudden risk event and an event occurrence moment according to a preset trigger condition; collecting a position point sequence of the trainee in a training process in real time; and evaluating a risk handling capability of the trainee based on the position point sequence. The method reduces the dependence on high-precision modeling and interactive design, improves the effectiveness of experiment safety training while maintaining a low development cost and cycle.

Even when users experience virtual reality without using VR equipment, this enhances their sense of immersion in virtual reality. [Solution] The acquisition unit 112 acquires eyelid information indicating the movement of the user's eyelids. The display control unit 115 displays a display image on the display device 14, which is a superimposed image of a first image with a fixed display area and a second image that obscures at least a part of the first image. The area determination unit 114 determines the area obscured by the first image by the second image based on the eyelid information. The area determination unit 114 maximizes the area when the user's eyelids are closed and decreases the area after the first point in time when the user's eyelids begin to open.

In one aspect of the present invention, when information indicating a virtual reality space including an avatar corresponding to a user is displayed on a head-mounted display worn by the user, mind and body information indicating a state of mind and body of the user is acquired, and effect information for causing the user to perceive or have an illusion of the state of the mind and body is generated on the basis of the acquired mind and body information. The effect information is then reflected on the avatar included in the information indicating the virtual reality space, and information indicating the virtual reality space including the avatar on which the effect information is reflected is output to the head-mounted display.

An apparatus for augmented and virtual reality systems can include a mount, a base, a linkage, a linkage sensor, and a receiver assembly. The mount can releasably attach to an anchor structure. The base can be adjustably engaged or fixedly engaged with the mount. The linkage can be adjustably engaged with the base. The linkage sensor can sense the orientation of the linkage relative to the base. The receiver assembly can receive a tool.

This specification provides a method, apparatus, device, medium, and program product for rendering flexible objects. The method includes: acquiring reference pose information for each bone point in the skeletal chain of the flexible object, wherein the constraint pose information of the endpoint bones is determined based on the pose of the connected objects of the endpoint bones; determining endpoint pose information based on the reference pose information of each endpoint bone; performing physical simulation based on the reference pose information of intermediate bones to obtain intermediate pose information, wherein the intermediate bones are bone points located between the endpoint bones; and rendering the flexible object based on the endpoint pose information of each endpoint bone and the intermediate pose information of the intermediate bones. This solution differentiates the processing of endpoints and intermediate bones, balancing precise control with physical realism, achieving accurate and natural flexible simulation. It can be widely applied to digital cultural products in the next-generation information technology fields such as games and virtual reality.

The present application relates to the technical field of virtual reality (VR), and particularly relates to a VR positioning compensation method and system for complex environments, comprising a multi-source perception synchronous acquisition module, a scene data preprocessing module, an initial pose solution and abnormal state identification module, a multi-source dynamic weighted fusion first-level compensation module, a scene semantic constraint second-level accurate compensation module, a closed-loop verification and pose smoothing output module; comprising the following steps: S1, a multi-source data acquisition and preprocessing stage; S2, an initial pose solution and abnormal identification stage; S3, a multi-source dynamic weighted fusion first-level compensation stage; S4, a scene semantic constraint second-level accurate compensation stage; S5, a closed-loop verification and pose output stage; through the architecture design of multi-source dynamic weighted fusion and two-level compensation, the present application effectively solves the core problems of VR positioning in complex environments, such as being easily disturbed, easily interrupted and insufficient accuracy, and can adapt to dynamic and static interference factors in various scenes.

A virtual reality display device 100 includes a timing controller 110 which generates image data based on an input image corresponding to a user's gaze. The display device further includes a display p

Aspects concern a virtual reality control device comprising one or more sensors configured to sense sensor data allowing determining the 3D position of the virtual reality control device in 3D space, at least one rotary wheel switch; and an output interface configured to output the sensor data from the one or more sensors and information about a rotation of the at least one rotary wheel switch.

A system and method of eliciting, sustaining, and experiencing pseudo-haptic / social touch in the real world where the touch initiator interacts with specific touch points onto the receiver's avatar in

The system, method, and apparatus includes a platform having a transparent material defining a first measurement surface. A light surface is disposed to provide light into the transparent material and generate a frustrated total internal reflection (FTIR) event in response to contact at the first measurement surface. The system also includes one or more wearable devices having a base material operable to cover a portion of a human body. An inner surface of the base material defines a second measurement surface. Further, one or more sensors disposed on the base material are operable to collect data at the second measurement surface. Further, the health parameter monitoring system presents displacement motion regimen information on a display screen, such as a virtual reality (VR) headset. The system collects first health parameter data from the first measurement surface based on the FTIR event; and / or collects second health parameter data from the second measurement surface.

Provide a system. 【Solution means】 Means for evaluating the ability level of each employee by collecting the past work performance data and learning history of the employees, Means for automatically generating a training course suitable for the employee based on the generated evaluation result, Means for providing a training course implemented for the employee in a virtual reality environment, Means for monitoring the implementation result in the virtual reality environment in real time and providing an immediate response to the employee, Means for analyzing the implementation result of the employee after the implementation in the virtual reality environment and reporting the result, Means for generating an individual training program for improving the skills of the operation of industrial equipment and making it executable in a virtual environment, Means for providing a function for the operator to safely practice the operation of industrial equipment in a virtual reality environment, A system including.