204results about How to "Reduce dizziness" patented technology

The embodiment of the invention provides an image rendering processing method and device. The method comprises: performing state detection of a target head, and generating a target state sequence; when it is determined that the target head enters a movement state, simulating the target state sequence, and generating a fitting curve; determining the angle of a visual field of a target scene according to the frame delay time and the fitting curve generated in advance; and performing rendering of the target scene based on the angle of the visual field, and generating the rendering image. According to the embodiment of the invention, the image rendering processing method and device are able to predicate the movement state of the target head through a fitting curve and compensate the estimated deviation of the angle of the visual field. Therefore the deviation of the angle of the visual field may be effectively reduced when the rendering of the image frame starts and ends, the user's spinning sensation when the user's head is rapidly moved may be effectively mitigated, and the good image display effect is obtained.

The invention discloses a reading anti-shaking method and a device of a mobile terminal and the mobile terminal and relates to the technical field of mobile Internet application and mobile intelligent terminals. The method comprises the steps of detecting the accelerated speeds of the mobile terminal on three dimensions in a coordinate system of a mobile terminal screen through a gravity sensor in the mobile terminal, determining shaking directions and shaking amplitudes of the mobile terminal on the three dimensions in the coordinate system of the mobile terminal screen according to the accelerated speeds of the mobile terminal on the three dimensions, and carrying out horizontal moving or scaling on an application image according to the shaking directions and the shaking amplitudes of the mobile terminal on the three dimensions in the coordinate system of the mobile terminal screen. The gravity sensor is used for detecting the accelerated speeds of the mobile terminal and is also used for correspondingly adjusting the horizontal moving and / or scaling of the application image.

The invention relates to VR positioning and tracking technology field, in particular to an ultra-wideband positioning based VR positioning and tracking system and its positioning and tracking method. The system comprises three or more ultra-wideband positioning base stations, and is characterized by comprising VR basic equipment and a basic VR runtime. Each ultra-wideband positioning base station comprises a base station code ID generation unit, a time synchronization unit, a data processing unit, an ultra wideband (UWB) transceiver, a high accuracy clock, an antenna and a network data transmission unit. The VR basic device includes a display screen, a processor, a direction sensor, a VR and a controller connecting line, a battery, a lens and an ultra wide band (UWB) positioning module. The UWB positioning module comprises the antenna, the ultra-wideband (UWB) transceiver and the high accuracy clock. The basic VR runtime includes an image processing unit, a positioning engine and an image transmission unit. According to the invention, the problem of dizziness caused by the uncertain positioning of a VR device and the long-term use of the device can be well addressed.

The invention relates to a method for head attitude compensation. The method comprises: according to display time of at least two rendered image frames, predicting rendering completion time t1 of a to-be-displayed image frame; according to the t1, calculating display start time t2 of the to-be-displayed image frame; according to the t2, calculating first time, predicting a first time head attitude Q, according to the head attitude Q, rendering the to-be-displayed image frame; according to start time a of any completed display cycle, calculating start time t of a to-be-displayed cycle; according to the t and the display cycle T, calculating second time, to obtain a second time head attitude Q', and according to the Q and the Q', calculating a head attitude compensation matrix; according to the attitude compensation matrix, performing attitude compensation calculation on the to-be-displayed image frame; according to vertex coordinates after attitude compensation and vertex coordinates of the to-be-displayed image frame, calculating a correction coefficient; and according to the correction coefficient, calculating a display image frame after the head attitude compensation. The method and the device accurately compensate head attitude of the to-be-displayed image frame, so that smear phenomenon and dizzy feeling in VR system use are reduced.

Embodiments of the invention provide a focal length control device and method and VR glasses. The device includes a focal length measuring module, a focal length changing module and a rendering module. The focal length control device measures the focal length value of human eyes through the focal length measuring module, and sends the focal length value to the focal length changing module and the rendering module. The focal length changing module controls the focal length of the device according to the received focal length value of the human eyes. The rendering module is used to perform fuzzy processing on a display image according to the received focal length value of the human eyes. The focal length control device uses the focal length measuring module, the focal length changing module and the rendering module to put the human eyes' focal length, a 3D screen and a display in the same plane and create a depth-of-field effect, so that the display screen is more in line with the actual scene seen by the human eyes, and the dizziness due to the vergence-accommodation conflict of human eyes is alleviated.

The invention discloses a naked eye 3D image processing method, device and equipment, and the method comprises the steps: carrying out the eyeball positioning of the eyes of a viewer according to theobtained face image, collected by a binocular camera, of the viewer, and obtaining the viewpoint position where the sight line of the viewer falls on a screen; When the viewpoint position is obtained,first depth information for rendering the 3D naked eye image is obtained; And according to the viewpoint position, dividing a scene area image corresponding to the viewpoint position on the 3D nakedeye image, rendering the scene area image according to the first depth information, and fuzzifying other area images. According to the invention, eyeball positioning can be carried out through the face image, the corresponding image scene can be rendered according to the movement of the viewpoint so as to clearly present the part of the image to a viewer, and the surrounding scene is displayed ina fuzzy manner.

The embodiment of the invention discloses a simulation flight implementation method based on virtual reality, which is applied in a flight simulation platform. The flight simulation platform comprisesa simulation cockpit, a visual system, an avionics system, a flight control system and a six-degree-of-freedom motion platform. The method comprises the steps of: collecting control signals input byan aviator through the simulation cockpit; employing a flight dynamical model to provide corresponding flight parameters, and employing an illusory 4 visual system to perform transformation of coordinates of the flight parameters to convert the obtained motion parameters to parameters in the aviator's vestibule center coordinate system; performing coordination of autokinetic effects generated by angular motion and linear motion according to a linear coordination washout algorithm; and performing calculus inverse solution of the motion parameters according to a preset six-degree-of-freedom motion system inverse solution algorithm to calculate and control electric cylinder input parameters in the motion process of the platform, obtain the elongation of the electric cylinder, generate drive signals according to the elongation to drive the six-degree-of-freedom motion platform and achieve trained analog simulation flight.

The invention relates to the technical field of VR, especially to a wireless VR helmet based on a high-performance host. The wireless VR helmet comprises a helmet body, a wireless audio-video sending end, a wireless audio-video receiving end and a display screen, the wireless audio-video sending end comprises a coding unit and a wireless audio-video sending module, the wireless audio-video receiving end comprises a wireless audio-video receiving module and a decoding unit, and the decoding unit is connected with the display screen via an MIPI or LVDS interface. According to the invention, the VR helmet is no longer connected with the host in a wired manner due to use of a wireless communication technology, a user can walk freely in a larger space without limit of cables when using the wireless VR helmet, and the VR experience is improved; and graphs and computing resources in the host are fully utilized, signals of a signal source is decompressed in a compression-free or real-time compression manner, the communication instantaneity is ensured, and thus, dazzling caused by time delay is reduced.

The invention relates to a self-adaptive screen display method and system, and a head-mounted device. The self-adaptive screen display method comprises the steps that S10, the head-mounted device senses posture data of a user head in real time through at least one of an acceleration sensor, a magnetic sensor and a gyroscope and sends the sensed posture data of the user head to a mobile terminal; S20, the mobile terminal senses own posture data in real time; and S30, the mobile terminal adjusts content currently displayed on a display screen according to own posture data and the posture data of the user head. Through application of the technical scheme of the invention, the damage or dizziness brought to eyes resulting from shake generated by walking or riding can be reduced.

The present invention provides a display method and apparatus. The method comprises the following steps of: determining a rendering speed of scene rendering; Judging whether to start an asynchronous time distorted ATW thread according to the rendering speed; When the ATW thread is judged not to be started, obtaining the first scene data in a frame picture display process by using a rendering thread; when the first scene data rendering is determined to be completed, running the rendering thread to correct the first scene data and obtain the first modified scene data; displaying according to thefirst correction scene data. The embodiment of the invention gives consideration to the performance of different processors and the complexity of VR application scene, the phenomenon of picture jitter can be reduced, the sense of vertigo of the user can be alleviated, the system power consumption can be reduced, the delay between scene rendering and display can be reduced, and the user experiencecan be improved.

The present invention relates to the technical field of simulated driving and presents an operation method and device of VR simulation driving, a VR helmet and a storage medium. The operation method of the VR simulation driving comprises a step of obtaining a steering operation command in a VR simulation driving process, a step of adjusting a visual angle of a VR display interface according to the steering operation command, and maintaining the orientation of a traffic tool model of simulation driving in the VR display interface in the visual angle adjustment process to be unchanged, and a step of switching the orientation of the traffic tool model to a direction corresponding to a current visual angle of the VR display interface when a preset triggering condition is satisfied. In the process of VR simulation driving steering, since the orientation of the traffic tool model of simulation driving is maintained to be unchanged in visual angle adjustment and the orientation of the traffic tool model of simulation driving is switched to the direction corresponding to the current visual angle only when the preset triggering condition is satisfied, the simultaneous adjustment of the visual angle and the orientation of the traffic tool model in the simulation driving is avoided, and a feeling of faintness of a user is greatly reduced.

The invention discloses a medicament for treating nasal sinusitis, wherein the composition comprises (by weight portion) buck grass, black plum, and chrysanthemum flower by the proportion of hairy vein agrimony 1 part, prepared dark Japanese plum 0-0.2 part, chrysanthemum flower 0-0.2 part.

The invention discloses an image processing method, an image processing device and a display device, relates to the technical field of image processing, and aims to improve the utilization efficiencyof a graphic processor and reduce the delay of a VR image displayed by VR display equipment. The image processing method comprises the steps of counting the rendering duration of M frames of images; judging whether the rendering duration of the M frames of images is matched with a motion attitude requirement or not; if yes, controlling the difference value t between the rendering starting moment of each frame of image and the distortion processing starting moment of the corresponding frame of image to be smaller than or equal to a preset difference value taim; itherwise, setting a system framefrequency, and enabling the rendering duration of each frame of image to be matched with the motion attitude requirement. The image processing device comprises the image processing method. The imageprocessing method, the image processing device and the display device are used for image processing.

The present invention belongs to the virtual reality technical field and relates to a display method, a mobile terminal and a pair of virtual reality (VR) glasses. The display method includes the following steps that: the VR glasses receive synchronization signals transmitted by the mobile terminal; the VR glasses start an active type shutter device in the VR glasses according to the synchronization signals; the active type shutter device is opened or closed periodically according to the period of the mobile terminal for the display of each frame of image; and the images displayed by the mobile terminal can be transmitted through the active type shutter device periodically. Thus, with the display method adopted, images in the mobile terminal which are seen by a user, like images in an OLED screen, emit light and do not emit light periodically, and therefore, a display effect the same as the display effect of the OLED screen can be achieved with the active type shutter device arranged in the optical path of the VR glasses under a situation that an LED screen is not needed to be replaced, and as a result, on the one hand, the refresh rate of the screen can be improved, and the dizziness of the user in watching the screen can be decreased, and on the other hand, cost for replacing an OLED screen in the prior art can be decreased.

Disclosed are medicinal liquor and preparation technology. Raw materials of the medicinal liquor comprise 67 kinds of traditional Chinese medicinal materials. According to the preparation technology of the medicinal liquor, full extraction of effective constituents of the original medicinal materials can be guaranteed. Tastes of the medicinal liquor are improved. The medicinal liquor has the advantages of being pure, mild and soft. Technology of igniting liquid medicine and reducing alcohol content in a bronze tripod is adopted, thus micromolecule organic substances volatilize and burn. Harmful effects of the substances on the function of a human body are reduced. Buried technology of pottery-jar containing the liquid medicine is adopted, various probiotics and functional materials are formed through the fermentation of the medicinal liquor, and thus a unique odor type and a special flavour are formed.

The invention relaters to a naked-eye 3D display module for games and a preparation method of the naked-eye 3D display module. The naked-eye 3D display module for games comprises a piece of grating glass and a liquid crystal layer; the liquid crystal layer is a piece of liquid crystal glass, the grating glass comprises a naked-eye 3D imaging material and a piece of optical super white glass which are attached by an optical adhesive layer; oriental attaching to locating points on the grating glass and the liquid crystal glass is performed by a high-definition camera. According to the naked-eye 3D display module for games and the preparation method of the naked-eye 3D display module, oriental attaching to locating points on the grating glass and the liquid crystal glass is performed by the high-definition camera, the alignment accuracy and the consistency are increased, and the production efficiency is improved to a great extent; the liquid crystal glass but not a liquid crystal display is adopted, so that full contact of the grating glass and the liquid crystal glass can be realized, the grating glass is directly attached to the liquid crystal glass by an attaching technology, and the flatness of the display module is improved greatly.

The embodiment of the invention provides a display control method, a display control device, a computer readable medium and virtual reality equipment, and relates to the technical field of display. The display control method comprises the steps of obtaining a human eye fixation point coordinate; determining a gaze area of a display panel according to the human eye gaze point coordinates; applyinga gate scan signal to the gaze area at a first frequency, applying a gate scan signal to other areas of the display panel other than the gaze area at a second frequency, and the second frequency is lower than the first frequency. According to the technical scheme of the embodiment of the invention, the scanning speed of the display data can be improved, so that the dizziness caused by hysteresis is reduced.

The present disclosure discloses an anti-dizziness method and apparatus for use in a virtual reality system. The method comprises: deploying a user interface in an arcuate layout manner in an immersive environment; and setting an interface element self-defining interface for a user to adjust content and number of interface elements in the user interface exactly facing to human eyes according to the user's needs. The user interface is deployed in an arcuate layout manner so that the interface element is exactly facing to the user's sight line when the user views any one interface element, and the distance from each interface element to the human eyes is equal, so this may provide a better visual experience to the user so that the user is not apt to fatigue and free of dizziness; furthermore, the user is provided with an interface element self-defining interface, so that the user may adjust content and number of interface elements in the user interface exactly facing to human eyes according to his own needs, and dizziness caused by frequent head turning is avoided.

The invention discloses a walking simulation control device comprising a walking signal detection module, a key input module, a controller module, a power module and a communication module. Signal output terminals of the walking signal detection module and the key input module are connected with a signal input terminal of the controller module; a signal output terminal of the controller module is connected with the communication module; and the power module is connected with the controller module and the communication module respectively. According to the invention, a walking motion of a human being can be identified and detected; after a relevant parameter is obtained, a fuzzy control operation processing analysis is carried out; and a corresponding walking instruction is generated and is sent to a game to control waking of a game role. The normal walking motion of the human body can be associated with the game role synchronously; the rear body motion can be reflected to the brain, so that the dizzy feeling caused by the inconsistent motion can be reduced, the immersion feeling of the VR game can be increased substantially. Meanwhile, the device is small and exquisite and can be carried conveniently.

The invention relates to an augmented reality display method and apparatus, an augmented reality device, and a storage medium. The actual distance of an object in a real scene is obtained by sound waves, and the focal length of a camera device is adjusted in real time according to the actual distance of the object. A real-time image of the real scene collected by the camera device with the focal length adjusted in real time is obtained, augmented reality AR processing is performed on the real-time image of the real scene collected by the camera device, and the image subjected to the augmentedreality AR processing is displayed. When a user wearing the augmented reality device is in a moving or rotating state, since the real scene changes, the actual distance of the object in the real sceneis obtained, so that the focal length of the camera device can be adjusted in real time via the obtained actual distance of the object in the real scene, the camera devices performs zooming quickly to capture clear images in real time, the delay problem caused by the automatic zooming setting of the camera is avoided, and the spinning sensation generated by the user in use is reduced as well.

The invention discloses a head-up display device for remote image displaying. The head-up display device comprises an image projection module, a reflective diffusion sheet and a concave mirror module.On the basis of cooperation of the reflective diffusion sheet and the concave mirror module, the reflection distance is increased to obtain a long optical path distance. A virtual image at a long projection distance can be obtained under the same concave mirror amplification factor, so that the visual dizzy feeling of the driver is reduced and the optimal visual effect is obtained and thus the driving safety is enhanced.

The invention provides a 3D viewing device of a smart phone. The 3D viewing device comprises a shell, wherein a phone fixing plate is arranged at the front end of the shell; a glasses system is arranged at the back end of the phone fixing plate and is connected with a head strap; a first clamping plate and a second clamping plate for clamping the phone are arranged on the phone fixing plate; the second clamping plate can slide on the phone fixing plate so as to adjust a phone clamping space; the head strap comprises a left side strap, a right side strap and an upper top strap; the lengths of the left side strap, the right side strap and the upper top strap are adjustable and the left side strap, the right side strap and the upper top strap form a three-point support to reduce the head pressure of a user; the glasses system comprises an eyeshade, an optical enlargement eyepiece system and a folding connecting sleeve; the folding connecting sleeve is provided with a visual hole to communicate the phone with the glasses system; and the optical enlargement eyepiece system comprises a left eye optical component, a right eye optical component, a pupil distance adjusting mechanism and a focal distance adjusting mechanism to meet the requirements of different users for pupil distance and focal distance.

The invention relates to the technical field of virtual reality, and discloses an image display method of virtual reality glasses, equipment and a terminal. The embodiment of the invention provides the image display method of the virtual reality glasses. The method comprises the steps of receiving a first distance, wherein the first distance is related to a pupil distance of a user; displaying a left image and a right image with the first distance as a center distance of the left image and the right image, wherein the center distance is the distance between a center point of the left image and a center point of the right image. The embodiment of the invention further provides a device and the terminal corresponding to the image display method of the virtual reality glasses. According to the image display method of the virtual reality glasses, the equipment and the terminal, on the premise that no extra hardware cost is added to the virtual reality glasses, spinning sensation of wearing the virtual reality glasses is reduced, and the visual effect of the virtual reality glasses is improved.

The invention relates to the field of robots, in particular to an autonomous mobile cruise and control robot. The robot comprises a driving device, a panoramic stereoscopic camera shooting tripod head, an environment detection device mounting base, a remote operation controller and two mounting platforms, wherein the two mounting platforms are arranged above the two ends of the length direction ofthe driving device through first damping buffering mechanisms correspondingly, the two first damping buffering mechanisms are arranged at the two ends in the length direction of the driving device correspondingly, the top of each first damping buffering mechanism is hinged to the corresponding mounting platform, the panoramic stereoscopic camera shooting tripod head and the environment detectiondevice mounting base are arranged on the two mounting platforms correspondingly through second damping buffering mechanisms, each second damping buffering mechanism is fixedly arranged at the upper end of the corresponding mounting platform, and the remote operation controller controls the driving device and the panoramic stereoscopic camera shooting tripod head. According to the robot, people canbe replaced for exploration detection and MR stereoscopic video acquisition, and people with a head-mounted MR display helmet can observe a scene shot by the robot at a long distance, and the MR is driven through the head action to adjust the shooting direction of the robot.

The invention discloses a display device and method based on human eye tracking. The display device based on human eye tracking comprises a lens cone, a display screen, a lens group and a processing unit, and the lens cone is provided with a through cavity; the display screen is arranged at one end of the lens cone in the through direction of the through cavity; the lens group is disposed at another end of the lens cone in the through direction of the through cavity, and the lens group is used for enabling a human eye to observe the display screen; the lens group includes a photographing partfor photographing a pupil of the human eye; the photographing part is electrically connected to a processing unit; and the processing unit is used for receiving a display image photographed by the photographing part, analyzing the display image to obtain the moving angle of the human eye, and adjusting the resolution of the display image according to the moving angle. According to the technical scheme, the problems of visual fatigue and dizziness can effectively solved when people wear virtual products.

The invention discloses an immersive interactive CAVE classroom for preschool education. The immersive interactive CAVE classroom comprises a hardware standardization system, a software standardization system and an interactive teaching aid system which are connected with one another, wherein the hardware standardization system comprises CAVE multi-projection environment systems which are connected with one another and are used for establishing a VR education environment capable of achieving interactive experience, a multi-point touch interaction system which is used for establishing an immersive interaction environment which can be participated by a plurality of persons in a cooperative manner, a ground positioning interaction system which is used for establishing an immersive interactionenvironment for collaborative participation of multiple persons, and an entity teaching aid interaction system which is used for constructing a tool for constructing a virtual world and a real world.The immersive interaction CAVE classroom for preschool education has the advantages of being low in price cost, high in immersion, more suitable for natural man-machine interaction of children, convenient to use, free of dizziness or low in dizziness, low in space requirement and capable of meeting the requirement for multi-user interaction, and being more suitable for natural man-machine interaction of children.

The invention discloses a stereo revolving dining table, which comprises an upper revolving table top and a lower revolving table top which are connected in the shape of steps at interval, and a mechanical drive system which is connected with the upper revolving table top. The bottom part of the lower revolving table top is installed at the top of a lower fixed table top. An upper fixed table top is installed above the upper revolving table top. An information service system is installed on the upper fixed table top. A plurality of supporting legs are installed at the bottom of the lower fixed table top. Each supporting leg is connected with a box body supported at the bottom part of the lower fixed table top. Groups of convenient boxes are arranged on the circumferential side surfaces of the lower fixed table top. Each group of convenient boxes comprises a heating box, a cooling box, a napkin box and a rubbish box. By adopting the stereo revolving dining table, the revolution of the dining table can be adjusted according to the practical needs; the space of the upper part and the space of the lower part are fully and reasonably utilized; and the cold drink and the hot drink can be taken and put according to the needs, the rubbish can be removed at any time and the high-efficiency rapid serve is realized.

The invention discloses a reality augmenting device, system and method. The device comprises a device body and an image collecting module, a wireless communication module and a reality augmenting module which are installed on the device body; by arranging the wireless communication module to interact with a server, no processing module needs to arranged on the device body, and therefore the problem that a user has a spinning sensation due to the long time delay of a virtual image and a real image due to the fact that the computing power of a mobile terminal is limited is avoided. Meanwhile, the reality augmenting device is large in application range, and the device can be widely used for identity recognition, vision augmenting, shortsightedness correction and various other reality-based augmented reality scenes.