217 results about "Immersion (virtual reality)" patented technology

The invention is suitable for the field of unmanned planes and provides an unmanned plane panorama video-based virtual reality live broadcast system which comprises an unmanned plane, a mobility control terminal, a VR live broadcast cloud server, an immersion type visualization device, a VR processor and a panorama video camera. In a preferred solution, the unmanned plane panorama video-based virtual reality live broadcast system also comprises various kinds of wearable intelligent sensors that can be worn on all parts of a user. According to the virtual reality live broadcast system, VR live broadcast of an unmanned plane panorama video can be realized via three experience modes; specifically, the motional tendency of a user body can be felt via the wearable intelligent sensors and then can be converted into corresponding unmanned plane flight control instructions, the unmanned plane flight control instructions are sent to the mobility control terminal via the VR live broadcast cloud server, the control instructions are sent to the unmanned plane via the mobility control terminal, the unmanned plane synchronously performs flying motions after receiving the control instructions, a virtual operation user is embedded into the panorama video captured by the panorama video camera, then the panorama video is sent in real time to the immersion type visualization device in a reverse direction, and therefore VR interactive live broadcast effects can be realized.

The invention relates to the fields of digital medicine and computer-assisted surgery, and provides a virtual surgery simulation method and a device of the virtual surgery simulation method. The virtual surgery simulation method comprises the following steps of: (1) carrying out CT plain scanning on a craniomaxillofacial region to obtain scanned data; (2) carrying out three-dimensional reconstruction on bone tissue according to the scanned data by utilizing a computer, and simulating the operation of osteotomy to establish a dendritical structure model of a craniomaxillofacial bone; (3) carrying out bone block three-dimensional space observation at any angle of view on a virtual reality interactive operation platform by an operator who wears a pair of spectral separation stereo glasses to assist the operator in preoperative design; and (4) carrying out bone block three-dimensional space rotating and shifting simulation on the dendritical structure model of the craniomaxillofacial bone in a virtual reality space by the operator who wears a pair of data gloves, and producing real-time force feedback perception by a haptic feedback device which is connected with the computer to assist the operator in surgery simulation. The method and the device are strong in immersion and interaction, simple, efficient and easy to operate.

The present invention relates to: a virtual reality system enabling the compatibility of a sense of immersion in a virtual space and real movement in a real space by providing a sense of reality and real movement in a virtual space when a user really moves in a real space; and a battle training system capable of maximizing battle training effects by dividing users into friendly troops and enemy troops so as to provide a sense of engagement in battle in a real battle training field even in a real space, which is not in a real battle training field, by applying the virtual reality system to battle trainings.

The invention relates to a strong mapping digital twin system based on a virtual imaging technology. According to the system, a multi-information cooperative communication mechanism is established between digital twin bodies, morphological information, state information and behavior information of a physical entity system are collected through multiple sensors and sent to an edge computing node, and the edge computing node is responsible for receiving sensor information and carrying out edge computing processing on the received information; A virtual imaging technology is applied to project digital entities of the digital twin system into a real space in a three-dimensional visualization mode, meanwhile, state information of the physical entities is displayed in a virtual reality mode, thedetail display effect of the digital twin system is enhanced, and the requirements for multi-view observation and immersion experience are met; According to the system, strong information mapping isestablished between a physical entity and a digital entity through the process, and it is guaranteed that information is transmitted between twin bodies in real time at a high speed in an undistortedmode.

The invention relates to the technical field of virtual reality, and particularly relates to an interactive design and experience method of a virtual agricultural park and a system. First, a basic three-dimensional scene template base and a landscape element three-dimensional template of the virtual agricultural park are built, each basic three-dimensional scene is divided into functional areas, then, gestures selection of a user is tracked and identified to show a corresponding basic three-dimensional scene, and then, landscape element selection, dragging and dropping and rotating gestures of the user are continuously tracked and identified to respective show, shift and rotate landscape element three-dimensional templates corresponding to the gestures. The interactive design and experience method of the virtual agricultural park and the system can fully use convenience of human body gesture motion to ensure that interactive designs and experience of the virtual agricultural park are more natural and has more enjoyment, and satisfy application requirements of aided designs of the virtual agricultural park, virtual experience of farm operations and science popularization education to ensure that the user has more immersion. Meanwhile, the interactive design and experience method of the virtual agricultural park and the system have the advantages of being simple, easy to use and low in cost.

The invention relates to a high sound-surround ambiance intelligent sensing interactive motion system and an implementation method thereof; the system consists of a motion platform subsystem, a virtual reality subsystem, and a projection display subsystem; the motion platform subsystem consists of a parallel connection motion platform with N degrees of freedom, a servo motor driver, a motion controller, and a sensor; and the virtual reality subsystem consists of a motion control terminal computer, a network server computer, and a scene-rendering end computer. The projection display subsystem consists of an edge fusion device, a projector, audio equipment, and a dome screen. The invention has the beneficial effects that an immersive virtual reality environment is provided for the motion platform; simultaneously, the virtual reality environment feeds back the control information to the motion platform for realizing the interaction of the motion and the environment, the sound-surround ambiance is enhanced, and the participants is led to have high sense of immersion, thus improving the fitness fun and achieving the effect of keeping healthy.

The invention discloses a method for displaying a virtual reality picture. The method comprises the following steps of (S10) when a user is located in dynamic simulation equipment of providing dynamic virtual reality experience, collecting head azimuth information of the user in real time; (S21) when the head of the user does not rotate, playing the virtual reality picture at a front viewing angle to the user; and (S22) when the head of the user rotates, adjusting the virtual reality picture according to the head azimuth information and then playing the virtual reality picture which rotates a corresponding viewing angle to the user. According to the method, the virtual reality picture is adjusted after the head azimuth information of the user is collected in real time, and the adjusted virtual reality picture is played to the user, so that improvement of the immersion of the user during simulation of the dynamic reality picture is achieved.

The invention discloses an application display control method and device and a terminal. The method includes the following steps of receiving a virtual reality (VR) mode start indication of an application; obtaining a preset parameter configuration file of application display mode VR achievement according to the VR mode start indication, wherein the parameter configuration file of application display mode VR achievement includes display mode VR achievement parameters; conducting VR achievement display of the application according to the display mode VR achievement parameters. The VR achievement display of the application on a cell phone, a tablet personal computer and other terminals is achieved by scheduling the preset parameter configuration file of display mode VR achievement, images are more vivid, user immersion feelings are improved, and the power consumption of the terminal for VR achievement display is greatly reduced.

A parachute landing simulator is composed of a motion control platform, a waist pull rope, a harness system suspension device, an off-board vibration platform, an off-board guarantee track, a powerfulfan, a high-performance simulation computer, a virtual reality helmet, a parachute jumping state display large screen-rightahead, a parachute jumping state display large screen-left side, a parachuting state indicator lamp, a positioner fixing support, a monitoring camera, a VR helmet hanging point, an emergency stop button, a sound, an anti-skid landing table board, a software and hardware buttjoint box, a digital modified suspender system and the like. Through the parachute landing simulator disclosed by the invention, the parachute wearing training, departure simulation training, parachute opening simulation training, parachute operation simulation training, aerial behavior simulation training, special treatment simulation training and landing simulation training can be performed. Through the mode of combining soft and hard, the training means of strong sense of immersion, abundant body feeling, comprehensive, true process, various group and advanced assessment are provided for the training parachutist.

The invention discloses a VR (Virtual Reality) motion experience platform based on a mobile client. The VR motion experience platform comprises the mobile client, a VR head display, a motion controller, a stereophony, a special effect controller, a servo driving module, a special effect output device and a motion platform, wherein the mobile client projects image information in a VR video resource into the VR head display for displaying, decodes and outputs audio information in the VR video resource into the stereophony for playing, and sends control information matched with the VR video resource to the motion controller; the motion controller is analyzed, according to a certain rule based on the control information, to control special effect data of the special effect output device to be output to the special effect controller and control motion data of the motion platform to be output to the servo driving module; the special effect output device outputs various special effects which are matched with the VR video resource to realize scene simulation; and the motion platform is used for realizing multi-degree-of-freedom motion simulation in a space. According to the VR motion experience platform, the operation difficulty is reduced, the sense of immersion in experience is enhanced, and the cost is also saved.

The invention relates to an in-spaceport-bin navigation analogy method and system based on head-down bed resting. The physiological effect weightless simulation based on head-down bed resting is combined with the visual navigation simulation based on immersion-type virtual reality technology to form the in-spaceport-bin navigation analogy method and system based on the head-down bed resting. The system is composed of a graphic workstation computer (1), a wide-vision-field helmet-type displayer (2), a three-dimensional mouse (3), a head-down experiment bed (4) and human physiological status monitoring equipment (5). The in-spaceport-bin navigation analogy method and system based on the head-down bed resting has the advantages of being good in weightless simulation effect, real in multi-cabin spaceport scene simulation, simple in method and low in price.

The invention discloses a video playing method based on the virtual reality technology. The method comprises the following steps: constructing a video playing scene, wherein the video playing scene comprises a first area used for playing a video and a second area located on the surrounding of the first area for providing a virtual scene; playing the video in the first area; and extracting a theme color in the video and rendering the virtual scene based on the theme color. The invention further discloses a video playing system based on the virtual reality technology. According to the video playing method and system based on the virtual reality technology in the invention, the theme color in the video is extracted to render the virtual scene beyond the video so as to create an immersive feeling through the light effect, therefore the immersion of users when watching videos in virtual reality can be enhanced, and the user experience can be improved.

The invention discloses a multi-dimensional virtual psychological sand table intelligent analysis method and device based on eye movement interaction. In combination with an eye movement technology, eye movement data of a user are recorded while the user places a sand table, and therefore eye movement information is provided for a counselor to serve as a consultation reference basis. The problemsthat the eye movement information cannot be recorded, and analysis is too subjective are solved. The multi-dimensional virtual psychological sand table can record the operation track of the user, thetrack of the user for placing the sand table is played back, and the problem that the efficiency of manually recording data by a physical sand table is low is solved. A virtual reality technology is adopted, so that the user has immersion when placing the sand table, intervention of a counselor in the physical sand table placing process is avoided, and the whole operation process is smoother and truer. A set of standardized analysis model is established in the analysis process of the multi-dimensional virtual psychological sand table, a system analysis report can be intelligently given out after the user places the sand table, and the problem that the physical sand table cannot give out a report in real time is solved.

The invention designs an entertainment and leisure learning device based on 5G Internet of Things virtual reality. A hardware structure comprises a leisure, entertainment and learning space element, and a panoramic immersion stereo display system, an environment perception health care special effect system, a dynamic platform seat device, a main server, an interaction module, a communication network module, a client, an integrated control and playing system and a stereo surround sound system are comprehensively integrated in the space element. Numerous software and hardware devices are organically and comprehensively integrated and thus the device has the following multiple use functions based on the software and hardware equipment: a a panoramic virtual reality dynamic cinema device, a panoramic virtual reality immersion memory enhancement learning device, a panoramic virtual reality immersion leisure health maintenance device, a panoramic virtual reality medical health maintenance rehabilitation device and the like, multiple uses of one device are realized, the comprehensive utilization efficiency of software and hardware devices is improved, and the cost is reduced.

The invention belongs to the technical field of virtual reality, and discloses an image big data interactive control system and method based on virtual reality, the system comprising an image acquisition module, an image synthesis module, a central processing module, an iris recognition module, a scene rendering module, a data storage module and a display module. The invention determines an objectto be rendered through the scene rendering module in combination with the position relationship, and then renders the object to be rendered, and the object at some positions in the virtual scene is not rendered, so that the rendering load can be reduced compared with the prior art. At the same time, the display module can display the virtual reality interface adaptively according to the angle ofview of the user's eyes, so as to improve the user experience, and the user can interact with the virtual reality device without using the peripheral handle, so as to enhance the immersion experienceof the virtual reality.

The invention belongs to the technical field of rehabilitation engineering and virtual reality, and particularly relates to an upper limn rehabilitation training method and system based on a virtual scene. The method comprises the steps of according to an injured limb function assessment result of a user, determining an upper limb rehabilitation training mode; according to a virtual scene and a virtual target in a training area, guiding the injured limb of the user to operate the virtual target in the training area, and recognizing and acquiring movement data of the injured limb in the training area to interact with a virtual reality program; during a training process, judging whether a movement trail of the virtual target deviates from a preset movement trail or not; if yes, statisticallycounting error areas; and assessing the upper limb rehabilitation condition of the user according to a training completion condition and an error area statistical result, and making a next rehabilitation training plan. In the method, the immersion and the interestingness of the scene are stronger, the rehabilitation training plan suggested by rehabilitation medicine are fully combined, and thus the rehabilitation training effect is greatly enhanced.

The invention discloses an active human body dynamic balance ability evaluation and training system. The structure of the system comprises a signal collection module, a data processing and displayingmodule and a security module, wherein the signal collection module consists of a balance plate, an inertial sensor, can be used for accurately acquiring posture information of the balance plate and transmitting the posture information to the data processing and displaying module through Bluetooth communication; and the data processing and displaying module can be used for calculating coordinates of the dynamic gravity center of a human body according to the posture information of the balance plate, automatically giving out an evaluation result of the balance ability of the human body accordingto a human body balance ability analyzing method, displaying the evaluation result in an upper computer, recording and saving the testing data of a user and establishing a personal file of the user.According to the system, evaluation and training on human body dynamic balance ability can be realized based on VR helmet and Unity designed high-immersion virtual reality games, the motivation of positively participating in training of users can be sufficiently mobilized, and the human body balance ability training efficiency can be effectively improved. The system is simple and feasible in structure, has high reliability and has an excellent market popularization value.

The invention discloses an optical enlargement combination lens. The optical enlargement combination lens comprises a groups of focusing thin type optical elements with hollowed centers and a group of either convex lenses or combined convex lenses with transparent flat plate skirts, wherein the focusing thin type optical elements and either convex lenses or combined convex lenses are overlapped, and the hollow areas of the focusing thin type optical elements and the raised parts of the either convex lenses or the combined convex lenses are tightly matched. Correspondingly, the invention further discloses a head-mounted display optical system and head-mounted display optical equipment applying the optical enlargement combination lens. By adopting the combination of traditional lenses and the focusing thin type optical elements, the picture quality of a center can be ensured, the borderland vision of human eyes can be enlarged at the same time, and the immersion of a user can be enhanced; furthermore, due to the use of the focusing thin type optical elements, the weight of the head-mounted virtual reality display equipment can be reduced to a great extent, and the wearing discomfort caused =by the weight can be alleviated.

The invention discloses a method and device for setting a safe area, VR equipment and a storage medium. The method for setting the safe area is applied to virtual reality VR equipment and comprises the following steps: acquiring a real scene image shot by a camera of the VR equipment, and respectively acquiring virtual rays of the VR equipment and pixel coordinates corresponding to intersection points of the virtual rays and a plane in the real scene image; performing curve fitting according to the pixel coordinates of the intersection points to generate a curve, superposing the curve and thevirtual rays to the real scene image, and displaying and outputting the curve and the virtual rays to guide a user to move and avoid an obstacle; when curve fitting is carried out according to the pixel coordinates of the intersection points to generate a closed curve, storing the information of the closed curve, and marking an area in the closed curve as a safe area. According to the embodiment of the invention, the immersion of the virtual reality equipment is improved, the user experience is optimized, extra hardware does not need to be installed, and the cost is low.

The invention provides an air combat confrontation virtual training system based on virtual reality VR. The air combat confrontation virtual training system comprises a flight teaching control management subsystem and a plurality of simulators. The flight teaching control management subsystem is used for generating a training scene according to the training subject, type, map selection and environment setting information; Each simulator comprises a flight training platform subsystem which is used for receiving a training scene sent by the flight teaching control management subsystem; a flight performance simulation subsystem which operates a corresponding flight performance simulation model according to the selected aircraft type information, so as to enable a trainee to control the speed, height and attitude of an aircraft through an operating system; a display subsystem which is used for displaying operation state information of a training platform model and an instrument; and a motion platform which is used for receiving the flight state parameters sent by the flight training platform subsystem and generating motion according to the flight state parameters. The system provided by the embodiment of the invention has the characteristics of simple structure and low cost, and also has the advantages of high simulation fidelity, strong flight immersion and the like.