19 results about "Helmet-mounted display" patented technology

The invention relates to the field of intelligent agriculture and intelligent construction, and discloses an agricultural monitoring system and method based on an intelligent helmet, and the system comprises a wearable terminal, an active sampling control module, an image recognition processing module, a multi-modal fusion module, a recognition reasoning module, and a result output module. The method comprises the steps of collecting a field crop image and environment data; calculating an uncertainty index of an identification result according to the current image; if the uncertainty is high, adjusting the acquisition angle of the camera and re-sampling; constructing the image and the agricultural environment data into a multi-modal graph structure and carrying out graph neural network processing; performing dynamic trend identification on a fusion result, and outputting a crop state; and outputting an identification result through a helmet display or linking an agricultural control system to execute related operations. According to the invention, the capabilities of identification display, voice communication, operation guidance and system integration in a complex environment are improved, and the problems of poor real-time performance and weak interaction of an existing scheme are solved.

The present invention relates to a reinforcement learning-based helmet display tracking system, comprising a helmet body, a reflection module, an external environment observation camera, a projection module, and a main control board. The external environment observation camera is mounted on the outer surface of the helmet and connected to the main control board, and is used to collect video data of the external environment, determine whether the road in the external environment is a structured road, and transmit the judgment result and the external environment audio and video data to the main control board. The reflection module is controlled and connected to the main control board, which controls the movement of the reflection module in two degrees of freedom. The projection module is used to project image information onto the reflection module. When located on a structured road, the main control board adjusts the reflection module using the two degrees of freedom, so that the image information is observed by the human eye after passing through the reflection module. The human eye also observes the image information while observing the external environment.

The application discloses a kind of line segment anti-aliasing parameter optimization method based on objective image quality evaluation under airborne display scene, for line segment anti-aliasing transition width FW Dependence artificial visual debugging, time-consuming, poor consistency, and fixed parameter is difficult to adapt to multi-line width, multi-resolution, arbitrary slope line segment Problem, reference Alpha matrix is generated using SSAA supersampling, PSNR is used as objective quantitative evaluation index to traverse optimization, and optimal FW parameter is obtained automatically and solidified to airborne system.The application can adapt to arbitrary slope and angle line segment rendering, edge smoothing, stable and reliable display effect, small amount of calculation, convenient for hardware implementation, can significantly improve the vector line segment rendering quality and consistency of airborne flat display, helmet display and other scenes, meet the application demand of airborne strong real-time, high reliability.

The invention particularly relates to an image fusion display method and device for a helmet-mounted display. The method comprises the following steps: acquiring two-dimensional information to be displayed; loading a two-dimensional character shader, performing two-dimensional character drawing on the to-be-displayed two-dimensional information by using the two-dimensional character shader, generating two-dimensional characters, and displaying the two-dimensional characters in a preset display plane in a virtual environment; obtaining three-dimensional information to be displayed; loading a three-dimensional character shader, performing three-dimensional character drawing on the three-dimensional information to be displayed by using the three-dimensional character shader to generate three-dimensional characters, and displaying the three-dimensional characters in the virtual reality environment; wherein the virtual environment is a three-dimensional virtual environment displayed by a helmet-mounted display. According to the method, the fusion display of the two-dimensional characters and the three-dimensional characters in the visual field of the helmet-mounted display can be realized.

The invention discloses a multi-form force tactile feedback system based on cooperation of double mechanical arms. The tail ends of the double mechanical arms are respectively provided with a touch screen and a mechanical operation piece panel, a user wears a helmet display to obtain a real cockpit view field in the using process, the system predicts user hand motion interaction data and interaction types in real time and decides an execution arm reaching an interaction target point, and the double mechanical arms cooperatively move to send a target control to the hand position of the user. And multi-form haptic feedback matched with the view field is provided for the user. According to the invention, multiple types of driving environments can be provided for users through the virtual reality technology, and the system flexibility is improved; different forms of force tactile feedback control panels are carried at the tail end of a double-mechanical-arm system, and two interactive control types of a touch screen and a mechanical operation piece are provided for a user to meet the simulation training requirement of an intelligent cockpit. The efficient cooperation of the double-mechanical-arm feedback system in the working space effectively improves the operation efficiency of a user in the large-range working space.

A method, medium and system for auto-aligning displays of a head / helmet mounted display. The method, medium and system may provide for an auto-alignment of components of a headband, headgear, or a helmet. The method, medium and system may provide for a first sensor mounted to the helmet of a user and configured to communicate and transfer align with a vehicle comprising an inertial navigation system (INS). The method, medium and system may provide for display comprising a second sensor configured to communicate with the first sensor and transfer align the second sensor with the first sensor based on the transfer alignment of the first sensor with the vehicle. The method, medium and system may provide for wherein the first sensor and the second sensor comprise an inertial measurement unit (IMU). Further, the method, medium and system may also provide for the aligning of two displays on the head / helmet relative to each other in real time.

The present application proposes a method, device, equipment and storage medium for jungle training navigation, the method comprising: using a drone to draw a map of the training area, pre-processing the data to remove noise, and then importing it into the command system, training server and helmet display. The command system personnel plan the path on the three-dimensional map and synchronize it to the training personnel's helmet display. The training personnel draw or mark the map based on the on-site feedback, and the command system adjusts the path accordingly. The server automatically evaluates the accessibility of the path and divides it into accessible, unreachable or to be explored. The present application significantly improves the efficiency and safety of jungle training navigation through precise planning and real-time feedback.

The invention provides a dynamic simulation method and system for a planet probe vehicle, and belongs to the technical field of virtual simulation. Planet environment three-dimensional models corresponding to all planets are established; adjusting parameters in a preset original dynamic simulation model to obtain a dynamic simulation model and a visual model corresponding to each planet; after the dynamic simulation model of each planet is integrated with the corresponding visual model, rendering and simulation are carried out; the simulated scene state is displayed on a helmet-mounted display of the planet probe vehicle; according to a scene state displayed by a helmet-mounted display, determining position information of the planet probe vehicle in the virtual planet environment and obtaining a predicted driving action; performing driving behavior evaluation on the driving action of the driver based on the predicted driving action; according to the invention, the environment characteristics of different planets are accurately simulated, and the driving skill training efficiency of the planet probe vehicle is remarkably improved.

A system and method for eye tracking via a head worn display (HWD), helmet mounted display (HMD) or other wearable display device provides an optical path of one or more optical elements for directing a display image into a display surface, which reflects the image into an eye location for viewing by a user or wearer of the display. An illuminator is optically coupled into the optical path via illuminator waveguides such that luminous output is vectored along the optical path, reflecting off the display surface and illuminating the wearer’s eye for imaging. Similarly, a camera is vectored into the same optical via imaging waveguides such that the camera may capture ocular images of the illuminated eye reflected off the display surface and directed via the optical path, but in the opposite direction. In this way the illuminator and camera may be incorporated into the optical path without obstructing it.

This invention includes a weapon-mounted camera system with a low-profile front pylon that can be attached to a weapon's Picatinny rail, housing a high-resolution camera and a wireless transmitter. A helmet-mounted display system includes a rear pylon with a receiver and power supply, which is connected via cable to the front pylon containing the high-resolution display. This system allows for real-time image transmission from the weapon to the helmet-mounted display, enhancing situational awareness without obstructing existing sights. The system offers advantages over existing technologies in terms of interchangeability, durability, and non-interference with the primary optical system due to its efficient power management, modular design, and compatibility with various weapon configurations.

A display method, a display device (300), a helmet mounted display (100), and a storage medium. The method comprises: rasterizing a scene to be rendered, so as to generate a rendering mesh; on the basis of a target mesh corresponding to a gaze point of human eyes in the rendering mesh, performing partition processing on the rendering mesh to obtain a plurality of sub-rendering areas; rendering the rendering mesh on the basis of the downsampling ratios corresponding to the sub-rendering areas, so as to generate a first display image; rendering the rendering mesh on the basis of the downsampling ratios and preset pixel offsets corresponding to the sub-rendering areas, so as to generate a second display image; and displaying the first display image by means of one of a left-eye display (20) and a right-eye display (30) in the helmet mounted display (100), and displaying the second display image by means of the other.

The invention comprises a weapon-mounted camera system with a low-profile frontal enclosure attachable to a weapon's Picatinny rail, containing a high-resolution camera and wireless transmitter. A helmet-mounted display system includes a rear enclosure with a receiver and power supply, connected via cable to a front enclosure with a high-resolution display. The system allows real-time image transmission from the weapon to the helmet display, enhancing situational awareness without obstructing existing sights. It features efficient power management, modular design, and compatibility with various weapon configurations, offering advantages over prior art in interchangeability, durability, and non-interference with primary optical systems.

An astronaut helmet display device adjusting device, a gantry support is used for supporting and positioning the remaining four function modules, a picture source adjusting mechanism is detachably mounted on the gantry support, used for carrying and adjusting the spatial posture and position of the picture source assembly in the astronaut helmet display device, a surface tool is detachably mounted on the gantry support, used for positioning and fixing a plurality of optical elements in the astronaut helmet display device, and ensuring the relative position relationship among them, a process goggles is detachably mounted on the gantry support, used for simulating the observation path of the human eye, forming a closed light path to evaluate the imaging quality. The application simulates the light path by constructing the picture source, the optical element and the process goggles under the unified reference, so that the internal imaging performance which cannot be detected after packaging can be intuitively evaluated before assembly, realizing the leap from "blind assembly" to "visible assembly and adjustment", and greatly reducing the risk of rework and scrap caused by assembly deviation.

The embodiment of the invention relates to the technical field of display, in particular to a three-dimensional display implementation method for a helmet-mounted display, and the method comprises the steps: loading a vertex shader and a fragment shader, the vertex shader being used for converting 3D coordinates and carrying out basic processing on vertex attributes, and the fragment shader being used for calculating final colors of pixel points; generating vertex data of the three-dimensional symbol to be drawn, and generating corresponding index data based on the vertex data; converting the vertex data of the three-dimensional symbol to be drawn into three-dimensional vertex coordinates in a coordinate system established by taking the current aircraft position as a coordinate origin; setting a model matrix, an observation matrix and a cutting matrix based on the three-dimensional vertex coordinates of the three-dimensional symbol to be drawn; and based on the index data and the set model matrix, observation matrix and cutting matrix, drawing a three-dimensional symbol to be drawn and displaying the three-dimensional symbol on a helmet-mounted display. The method can significantly improve the comprehensive situation awareness ability of the pilot.

1. The name of the design product: medical detection graphical user interface body signal display column of electronic equipment. 2. The use of the design product: for electronic equipment. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: front view. 5. The design product is a flat product, and the rear view, left view, right view, top view, bottom view, and perspective view are omitted. 6. The use of the graphical user interface: the entire graphical user interface: the entire picture is output through a helmet display, the background content in the picture (the part indicated by a dashed line in the view) is provided to the user, and the heart rate, brain waves, and other body signals of the user are provided in real time in the form of arrows (the part indicated by a solid line in the view). The use of the local graphical user interface: after obtaining the real-time body signals of the user through the sensors attached to the user, the real-time status of the heart rate, autonomic nervous system activity, electromyogram, brain waves, and other body signals of the user are displayed by the arrows. 7. Other circumstances that need to be explained: the design application requests protection for the local appearance of the product, and the part indicated by the solid line is the part of the design product for which protection is requested.

The invention comprises a weapon-mounted camera system with a low-profile frontal enclosure attachable to a weapon's Picatinny rail, containing a high-resolution camera and wireless transmitter. A helmet-mounted display system includes a rear enclosure with a receiver and power supply, connected via cable to a front enclosure with a high-resolution display. The system allows real-time image transmission from the weapon to the helmet display, enhancing situational awareness without obstructing existing sights. It features efficient power management, modular design, and compatibility with various weapon configurations, offering advantages over prior art in interchangeability, durability, and non- interference with primary optical systems.

The invention discloses a method and system for automatically correcting a light path of a helmet-mounted display, and belongs to the technical field of image correction in the field of helmet-mounted displayers, and the method comprises the steps: determining a standard helmet-mounted display and a standard projection image, and obtaining a standard reflection image of an outer mask in the standard helmet-mounted display; acquiring a first distortion parameter of the standard helmet-mounted display based on the standard projection image and the standard reflection image; determining input data through the standard projection image and the standard reflection image, determining output data through the first distortion parameter, and performing model training to obtain a distortion model; determining a to-be-detected helmet-mounted display, and acquiring a reflection image of an outer mask in the to-be-detected helmet-mounted display as a to-be-detected reflection image; inputting the standard projection image and the to-be-measured reflection image into a distortion model to obtain a second distortion parameter; and correcting a to-be-projected image of the HUD in the to-be-tested helmet-mounted display based on the second distortion parameter.

A mounting and adjusting device for an astronaut helmet-mounted display is characterized in that a gantry support is used for supporting and positioning other four functional modules, an image source adjusting mechanism is detachably mounted on the gantry support and used for bearing and adjusting the spatial posture and position of an image source assembly in the astronaut helmet-mounted display, and a surface leaning tool is detachably mounted on the gantry support and used for bearing and adjusting the spatial posture and position of the image source assembly in the astronaut helmet-mounted display. The gantry support is used for positioning and fixing a plurality of optical elements in the astronaut helmet display and guaranteeing the relative position relation among the optical elements, and the craft goggles are detachably installed on the gantry support and used for simulating a human eye observation path to form a closed light path so as to evaluate the imaging quality. According to the invention, the image source, the optical element and the process goggles construct a simulation light path under a unified reference, so that the internal imaging performance which cannot be detected after packaging originally can be visually evaluated before assembly, the crossing from blind assembly to visual assembly and adjustment is realized, and the reworking and scrapping risks caused by assembly deviation are greatly reduced.

Described herein is an improved optical display system for a head or helmet mounted display (HMD). The optical display system comprises an intermediate reflective element that comprises an array of microstructures. Separate image generators are provided which generate images which are projected onto a user's left and right eyes and by use of the intermediate reflective element, the image generator located on the left side of the HMD generates an image for the user's left eye and the image generator located on the right side of the HMD generates an image for the user's right eye. As described below, this improved optical display system may, in various examples, be coupled with a vision enhancement system.