19 results about "Vision aid" patented technology

The invention discloses a multi-source information fusion-based tunneling equipment vision-assisted pose detection system and method, and relates to the technical field of exploration and engineering surveying, and the system comprises a binocular vision module, a strapdown inertial navigation module, a laser orientation instrument module and a data fusion processing module. The binocular vision module solves three-dimensional coordinates through stereoscopic vision; the strapdown inertial navigation module provides high-frequency dynamic attitude data; the laser orientation instrument modules are triangularly arranged to provide a global absolute position reference; and the data fusion processing module adopts an extended Kalman filtering dynamic fusion algorithm and combines dynamic weight adjustment to fuse multi-source data. The method comprises the steps of data acquisition, preprocessing and time-space synchronization, fusion calculation and pose information output. Through the multi-source collaborative fusion and dynamic environment adaptation technology, the detection precision and stability are improved, the automatic tracking and remote monitoring requirements of the tunneling equipment are met, and intelligent upgrading of coal mine tunneling is promoted.

The invention relates to the technical field of man-machine interaction. The invention provides a sight tracking method for a head-mounted optical typoscope, and the method comprises the following steps: firstly, carrying out the preprocessing of a collected image, secondly, judging the region where the typoscope is located, then solving the problems of shielding and deformation of pupils to obtain the contour of the pupils, carrying out the modeling and parameter solving of the pupils and eyeballs according to the contour of the pupils, and carrying out the tracking of the sight of the head-mounted optical typoscope. And finally, realizing sight tracking through coordinate system conversion and single-point calibration. The method can be used for tracking the sight of the user under the condition that the user wears the optical typoscope on the head, the sight tracking task of the head-mounted optical typoscope can be rapidly and accurately completed, and the method has good accuracy and robustness and has positive significance in attention mechanism research and the like of low-vision people.

The invention discloses a vision assisting method. The method comprises the following steps: presenting a visual field image to a user; determining a fixation point of the user in the view image; determining a fixation area of the user according to the fixation point; extracting the view image in the gazing area range as a view sub-image; processing the view sub-image to obtain an enhanced image with an enhanced visual effect; and presenting the enhanced image to the user. The invention further discloses a storage medium and a vision assisting device. According to the embodiment of the invention, where the eyes of the user see, the display content in the area which is seen around the eyes is enhanced in visual effect and presented to the user. Therefore, the pertinence of vision assistance for the low-vision user is remarkably improved, and the practical use requirements of the user are better met. And the user does not need to manually carry out any adjustment in the whole process, so that the two hands of the user are liberated.

A low vision aid system including a camera module to be used with a mobile device, including a macro camera configured to focus on near-field objects that is integrated within the low vision aid camera module and an illumination source structured to illuminate a field of view associated with the macro camera, a battery power supply and a wireless communication module. The wireless communication module establishes an isolated Wi-Fi connection to the mobile device. The isolated Wi-Fi connection prevents the mobile device from communicating over other Wi-Fi networks while the isolated Wi-Fi connection is maintained. The wireless communication module receives, via the isolated Wi-Fi connection, instructions from the mobile device, that are associated with operation of the macro camera, and sends via the isolated Wi-Fi connection, a video bitstream to the mobile device based on the instructions.

1. Name of the product in this design: Sports Sunglasses (MG100). 2. Purpose of this design: It is intended for use in everyday vision assistance, intelligent interaction, and other scenarios, combining functionality and style to provide users with a convenient visual experience and intelligent services. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an image acquisition device, which comprises a first rod body and a second rod body, one end of the first rod body forms a connecting part, and the connecting part comprises a first rotating shaft; a first rotating shaft is arranged at one end of the first rod body, a second rotating shaft is arranged at the other end of the first rod body, the second rod body is connected with the second rotating shaft, the second rotating shaft is hollow, and two openings communicated with the first rod body and the second rod body respectively are formed in the second rotating shaft; a camera shooting assembly used for collecting images is arranged at the tail end of the second rod body. The utility model further discloses the electronic typoscope. According to the utility model, a three-rotating-shaft type structure is adopted, so that the camera can adjust the collection visual angle in multiple directions, the rotating shaft is stable in structure and high in strength, the rotating shaft is of a hollow structure, reasonable routing of an internal cable is provided, the cable adapts to the rotating direction, damage such as distortion and clamping of the internal cable is not caused in use, and the camera is convenient to use. The device is more suitable for the operation safety of visual impaired people in the exploration type using process based on feelings.

The present application relates to a tunneling machine intelligent vision auxiliary obstacle avoidance and path planning system, belonging to the technical field of path planning. The system comprises: a data acquisition module for acquiring the original environmental data of the target area of the tunneling machine at each moment, generating ground data under the ground coordinate system; an obstacle identification module for identifying all obstacles and their obstacle information; a posture acquisition module for acquiring the posture parameters of the tunneling machine; a coordinate conversion module for generating tunneling point cloud data in the tunneling machine coordinate system; a model modeling module for calculating the tunneling machine state estimation parameters and creating the environmental three-dimensional model of the target area at the current moment; a path planning module for path planning and generating the optimal path of the tunneling machine. The present application plans the path based on all obstacles, their obstacle information and the environmental three-dimensional model, which can effectively improve the working efficiency and safety of the tunneling machine.

The utility model discloses a power supply interface structure used for an electronic typoscope, comprising a body, a power supply hole used for insertion of a power line joint is formed on the body, a ring sleeve is arranged in the power supply hole in a penetrating manner, the ring sleeve is arranged along the axial direction in a penetrating manner, and a chamfer inclined surface is formed on the inner side of the ring sleeve in the circumferential direction. According to the utility model, the structure of the charging part is optimized on the typoscope product used by the visually impaired people, the ring sleeve structure is arranged at the power interface so as to guide the power line connector, and the guiding effect is enhanced through the chamfered inclined plane, so that the visually impaired people can conveniently see the position of the power interface clearly and the connector is not aligned with the interface. The connection can be operated in place more easily; furthermore, the ring sleeve structure is arranged in a protruding manner, and the display is highlighted, so that the visual impaired person can accurately identify and position the power interface.

Apparatus for vision correction includes an electrically-tunable optical phase modulator (42, 44), which is configured to be mounted in proximity to an eye of a subject. Control circuitry (26) is configured to apply drive signals to the optical phase modulator so as to generate in the optical phase modulator a first phase modulation profile in a central zone (37) that intercepts a line of sight (32) of the eye and a second phase modulation profile, different from the first phase modulation profile, in a peripheral zone (39) extending peripherally around the central zone over at least 180° of arc. The first phase modulation profile is selected so as to enable clear vision by the eye in the central zone, while the second phase modulation profile is selected so as to blur light that is incident on the eye through the peripheral zone.

The invention provides a method and device for preventing collision between a harvesting machine and a material receiving trolley, and the method comprises the steps: determining a first target deflection angle between the current advancing direction of the harvesting machine and a ridge row where target grains are located if a received starting instruction is an automatic row alignment function starting instruction, adjusting a steering wheel steering angle according to the first target deflection angle to make the advancing direction consistent with the ridge row direction; if the received starting instruction is a vision aided driving function starting instruction, determining a second target deflection angle between the current advancing direction of the harvesting machine and the straight line where the target haystack is located, and adjusting the steering angle of the steering wheel based on the second target deflection angle to enable the advancing direction to be the same as the direction of the target haystack; in the process of adjusting the turning angle of the steering wheel to achieve alignment in the corresponding direction, the distance between the harvesting machine and the material receiving vehicle is obtained, and if the distance is smaller than the preset safety distance, the turning direction of the steering wheel is limited based on the discharging mode of the harvesting machine. By the adoption of the technical scheme, collision accidents of the harvesting machine are reduced, and the safety of operation of the harvesting machine is improved.

The utility model provides a kind of industrial robot vision auxiliary equipment for workpiece positioning belongs to industrial robot vision auxiliary equipment technical field, its structure includes mechanical arm body, and mechanical arm body tail end is provided with gripper, and the swing of gripper is provided with vision auxiliary equipment, this vision auxiliary equipment has to camera transverse distance and angle adjustment double function, and camera can follow gripper synchronous swing direction, so that gripper when grabbing workpiece, camera will not be blocked by workpiece, it is convenient to operate mechanical arm body to workpiece accurate positioning and discharging, and practicality is strong.

The utility model discloses a forklift visual field auxiliary device which comprises an image obtaining part arranged on a forklift portal frame and a display part arranged on the side, close to a forklift body, of the forklift portal frame. The display part has a transparent state and a display state for displaying the real-time image and / or video in front of the forklift acquired by the image acquisition part in real time; a display screen is arranged in the direction of a visual blind area of a driver, and the display portion is in signal connection with a control portion used for controlling the display portion to be switched between a transparent state and a display state. Real-time images in front of the pallet fork are obtained through the camera, and the obtained view images are displayed in real time through the display screen in the view direction, so that the view in a blind area in front of the pallet fork can be provided when a driver normally drives, and the safety performance is greatly improved.

Disclosed in the present invention is a head-mounted electronic vision aid device and an image magnification method thereof. The head-mounted electronic vision aid device comprising a memory unit, a processing unit, an image zooming unit, and at least one ranging unit; the ranging unit being configured to obtain distance data between a target object of interest to a user and the device and / or three-dimensional profile data of the object and output the data to the processing unit; the memory unit stores a correspondence table between the distance data and the magnification of the image zooming unit; the processing unit confirms the target object of interest to the user, performs operations on the distance data and / or the three-dimensional profile data of the object, and outputs an magnification matching the distance data to the image zooming unit according to the correspondence table; and the image zooming unit can automatically adjust to the matching magnification. For visually impaired users, accurate, intuitive and rapid automatic magnification of the target objects of interest can be realized on demand. Compared with the prior art, the repeated and tedious manual adjustment is avoided, and the user experience is greatly improved.

The utility model discloses an electronic typoscope, which comprises a display part and a support part, the display part comprises a support panel and a display panel, the bottom of the support panel is provided with an image acquisition unit, the display panel is provided with a display screen, the rear end of the support panel is hinged with the support part, and the rear end of the support panel is hinged with the support part. The display panel is hinged to the front end of the supporting panel. According to the utility model, a split double-panel form is adopted, so that the included angle between the display panel and the support panel can be adjusted at will, the angle of the support panel can be kept fixed during use, and a user can use the camera according to the actual use scene, the position, the sitting posture and the body habit under the condition that the camera has a better acquisition position. The angle of the display panel is freely adjusted, the display range of the display panel is greatly enlarged, clear watching is achieved, and the problems of light reflection, unclear watching and head lowering strain are solved.

The invention discloses a vehicle low-light vision aided optimization system and method based on quantum sensing, and relates to the field of aided driving. A quantum infrared sensor and a starlight-level camera are fixed through an aluminum alloy or carbon fiber support in a mode that optical axes are parallel or an included angle is fixed; a thermal imaging image shot by a quantum infrared sensor and an image shot by a starlight-level camera in a low-light environment are utilized, the thermal imaging image and a visible light image in the low-light environment are converted into a temperature grey image and a visible light grey image according to a frame image, and temperature information of the temperature grey image and texture details of the visible light grey image are extracted; and the two grey images are fused and converted to generate a color image containing temperature information and more details, and early warning is performed on a driver according to the temperature information and the contour area change rate, so that the driving safety is effectively enhanced.

The invention discloses a steering vision assisting method, device and equipment for a non-polar steering wheel and a medium. Comprising the following steps: calibrating a center axis datum line, and calibrating a left limit dip angle and a right limit dip angle based on the center axis datum line; hydraulic rod image data are collected based on a preset RGB industrial camera, and visual feature points of the image data are extracted; calculating a homography matrix based on the visual feature points, and calculating a direction vector of the hydraulic rod based on the homography matrix and the physical coordinates of the hydraulic rod; converting the direction vector into an actual steering angle of a non-polar steering wheel, and determining a limit angle percentage based on the actual steering angle, the left limit inclination angle and the right limit inclination angle; and performing visual rendering and early warning on the display terminal based on the limit angle percentage. According to the scheme, the real-time steering angle of the tire can be accurately obtained, when the steering operation reaches the mechanical limit can be pre-judged, visual rendering and early warning are carried out, and operation safety, economical efficiency and efficiency are improved.