9results about How to "Reduce dizziness" patented technology

The application provides a near-eye display system, a display method and a virtual reality device. The near-eye display system comprises a projection device, a semi-transparent screen and a micro-mirror array. The semi-transparent screen is arranged opposite to the projection device. The micro-mirror array is arranged on the side of the semi-transparent screen away from the projection device. The projection device is used for projecting a light beam to the semi-transparent screen to form a micro-unit image. The image unit of the micro-unit image corresponds to the micro-mirror unit of the micro-mirror array one by one. The micro-mirror array is used for reflecting the light beam passing through the semi-transparent screen, so that the light beam enters the eye and reconstructs a three-dimensional image. The near-eye display system, the display method and the virtual reality device provided by the application have the advantages of simple structure, convenient use, effective avoidance of vergence-accommodation conflict, reduction of discomfort and dizziness of users, improvement of imaging quality and viewing angle, and good user experience.

The application provides a positioning data smoothing prediction method, device and system for medical rescue, and relates to the technical field of human-computer interaction. The method comprises the following steps: acquiring measurement data of each infrared camera and measurement data of each sensor on a wearable device at a current time; determining the pose of an operator based on the measurement data of each infrared camera and the measurement data of each sensor on the wearable device; predicting the predicted pose of a virtual operator at a next time based on the pose of the operator, the pose of a digitized wounded person, the instrument used by the virtual operator, and the motion trajectory of the operator in a previous period; wherein the virtual operator is the corresponding operator of the operator in a virtual scene, and the previous period is a historical period including the current time; and determining the final display pose of the virtual operator in the virtual scene based on the predicted pose and the real pose of the operator at the next time sent by a server. The application can effectively alleviate the lag caused by network delay.

The application discloses a kind of double host electronic glasses and its image acquisition, processing and display method, belong to image processing technical field, a kind of double host electronic glasses, including: glasses frame, monocular vst perspective unit and the power supply unit compatible with monocular vst perspective unit, the monocular vst perspective unit is equipped with two groups, and two groups monocular vst perspective unit respectively independently handles the image of left and right eyes, the monocular vst perspective unit includes, display component, the display component includes optical module and micro display screen;Sampling component, the sampling component includes corresponding camera module with display component;Soc host unit, the Soc host unit undertakes corresponding monocular image processing task;Realize the frame level synchronous display and the relatively synchronous display of degradable under the premise of not forwarding image data of double eyes, to ensure that electronic glasses can still maintain at least single eye real-time picture output under abnormal condition, high-speed data link is equipped between the Soc host unit.

The application discloses a wireless telephone alarm, which comprises a wireless telephone alarm, a recess is arranged on one side of the wireless telephone alarm, a button is arranged on the inner bottom of the recess, four groups of emergency contact person prompt lamps are arranged on the front end of one side of the wireless telephone alarm, a shooting mechanism is arranged on the rear end of the wireless telephone alarm, the shooting mechanism comprises a shell fixedly arranged on the rear end of the wireless telephone alarm, a round opening is formed in the upper end of the shell, a lifting assembly is arranged in the upper and lower cavities of the shell, and a reciprocating assembly is arranged on the lower side of the lifting assembly and close to the bottom of the upper cavity of the shell. The wireless telephone alarm can quickly observe the state of a person and the surrounding environment through the use of the shooting mechanism, intuitively understand the situation at that time, guide the user, make effective measures, and conveniently save the subsequent observation.

The utility model relates to the technical field of lamps, in particular to a hose pocket lamp. According to the technical scheme, the lamp comprises a lamp body, a hose body used for adjusting the angle is movably arranged on one side of the lamp body, a lamp holder used for illumination is fixedly arranged at the other end of the hose body, COB lamp beads are arranged on the front face of the lamp body, a climbing hook is movably arranged on the back face of the lamp body, and a magnet used for being attracted with metal is arranged on the front face of the climbing hook. Through the arrangement of the connecting ring and the conical light guide pipe, divergent light rays can be converged into narrow light beams, luminous flux in the same direction is concentrated, accurate light control can be achieved, the light rays can be restrained in the specific direction, and the dazzling feeling and the dizziness feeling when a user directly looks at a light source are reduced; and through the arrangement of a base, a guide plate, a positioning rod, an extrusion rod and a second spring, the conical light guide pipe can be rapidly disassembled and assembled, and the lamp can rapidly adapt to different working environments.

The application relates to the technical field of intelligent path planning in a virtual reality environment, and discloses a warehouse path planning method based on virtual reality. A unified coordinate system is established on the ground of the warehouse, the picking points are uniquely numbered and positioned, and the data consistency and traceability are ensured; the path generation adopts the nearest neighbor principle and combines node order and numbering rules to obtain a preliminary reasonable route; the iterative local node exchange and corner sum evaluation are used to optimize the path smoothness and continuity; the path overlap is avoided through the cross detection and backtracking mechanism, and the executability and safety are improved; the buffer point is introduced for high corners, and the projection correction is carried out when the boundary is exceeded, so that the artificial or robot following is facilitated, and the picking efficiency is improved; finally, the path visualization and interactivity in the virtual reality are realized through coordinate mapping, and the problems of space modeling confusion, unreasonable path, cross confusion and unfriendly high corner in the traditional path planning are solved.

The application provides a wind tunnel VR simulation method and device for multi-modal collaborative control, relates to the technical field of virtual reality simulation, and comprises the following steps: acquiring multi-source sensor data of an experimenter in a virtual scene, and pre-processing the multi-source sensor data; performing fusion processing on the pre-processed multi-source sensor data, and calculating whole-body posture data of the experimenter; identifying the action intention of the experimenter based on the whole-body posture data, and evaluating the body state category of the experimenter; generating wind tunnel control instructions and VR scene control instructions according to the action intention and the body state category of the experimenter; updating the virtual scene according to the VR scene control instructions, and adjusting the wind speed of the wind tunnel according to the wind tunnel control instructions. The application is used for solving the problem that the existing simulation method lacks intelligent interaction, which seriously affects the immersion of the experimenter and may also cause the experimenter to feel dizzy and uncomfortable.

The invention discloses an emergency drilling method and device, a computer program product and a storage medium. UWB position data and IMU motion data when a disposer performs drilling in a target site are collected in real time, state prediction is performed through unscented Kalman filtering based on the motion data, and a prediction state is obtained in combination with the position data. UWB and IMU are fused, high-precision positioning and motion trail capturing are achieved, motion of an avatar of a disposer in VR equipment is driven through a prediction state, and the position and action of the disposer in the physical world and the avatar in the virtual world are synchronized in real time and smoothly mapped. The drilling positioning accuracy is improved, the avatar motion lagging is reduced, the VR dizziness is reduced, and the physical action and the virtual feedback are consistent. The real-time drilling situation is sent to the commander, the commander can send an instruction to the VR equipment, and the drilling situation of the disposer is fed back to the command end to form a closed loop. Cooperation of command and disposal functions is realized, and information transmission timeliness is improved.

The invention provides a naked eye 3D head-up display system and method and a vehicle, and the system comprises an eye movement tracking unit which is used for obtaining a real-time eye image of a driver, and outputting the coordinate of a current fixation point; the processor is in communication connection with the eye movement tracking unit and is used for dynamically rendering display images of a plurality of screen display areas in a display area according to the coordinates of the current fixation point and fusing rendering results to form an output image with non-uniform resolution; and the optical engine is in communication connection with the processor and is used for performing light field reconstruction modulation on the display light corresponding to the output image to generate a three-dimensional image light field and guiding the three-dimensional image light field to a predetermined eye box area.