218results about How to "Increase visual range" patented technology

The invention relates to a display device. The display device comprises a cover plate and a display panel which are arranged oppositely; the display panel comprises a through hole, a first non-displayarea, a display area and a second non-display area; the through hole runs through the display panel along the thickness direction; the first non-display area surrounds the through hole; the display area surrounds the first non-display area; the second non-display area surrounds the display area; the positive projection of the cover plate on the plane on which the display area is covers the through hole; the display panel also comprises an upper polaroid; the upper polaroid is positioned on one side, near the cover plate, of the display panel; and a shading material is arranged on the surfaceof one side, near the through hole, of the upper polaroid. The display device provided by the invention can effectively improve the light leakage problem of the display panel and improve the shootingeffect of photosensitive devices such as a camera while increasing the screen-to-body ratio of the display panel.

Provided are an unmanned aerial vehicle (UAV) obstacle avoidance method and device based on a 3D camera. The device comprises a 3D camera, a visual analysis module, a flight control main module and an inertial navigation module. The 3D camera is responsible for collecting image data in real time; collected image data and the UAV attitude information provided by the inertial navigation module are sent to the visual analysis module for analysis through an algorithm, and an analysis result is timely fed back to the flight control main module; the flight control main module adjusts flight parameters according to flight line adjusting parameters. The obstacle avoidance technology is based on the passive image analysis technology, and thereby the UAV obstacle avoidance device has the advantages of small size, light weight, low cost, small consumption, rapid response and high success rate, and can be applied to unmanned helicopters, and various rotor wing and fixed wing UAVs.

The invention discloses a system and method for quickly inspecting a tunnel defect based on machine vision. The system is arranged on an investigation bearing vehicle. The system comprises a machine vision sub-system used for acquiring the to-be-investigated object image data by a CCD (Charge Coupled Device) camera, a laser ranging sub-system used for measuring an imaging distance of an image acquired by the machine vision sub-system by a laser ranging method, a photoelectric speed measuring sub-system used for providing a corresponding coordinate of the acquired image in a tunnel, a control sub-system used for controlling the laser ranging sub-system and the photoelectric speed measuring sub-system, transmitting the data acquired by the laser ranging sub-system and the photoelectric speed measuring sub-system to a data processing sub-system and triggering the machine vision sub-system to acquire an image and transmit the image to the data processing sub-system, a data processing sub-system used for processing the image acquired by the machine vision sub-system according to the data from the control sub-system, and a power supply sub-system used for providing voltage for other sub-systems. According to the invention, the general tunnel defect can be regularly and quickly inspected and the inspecting process is safe, quick, full-automatic and real-time without influencing normal work of the tunnel.

The invention discloses headlamp adaptive control method and device. The method comprises the steps of: (1) acquiring the current speed v of an automobile in real time, and acquiring the safe stopping distance S of the automobile at the current speed; (2) acquiring a horizontal deflection angle omega corresponding to the optimum lighting position of the headlamp; (3) acquiring a vertical deflection angle beta corresponding to the optimum lighting position of the headlamp; and (4) outputting control signals to control the turning of the headlamp in real time. The device comprises a control unit (1), and a detection unit (2) and a driving mechanism (3) which are respectively connected with the control unit (1), wherein the detection unit (2) comprises a speed sensor (21), a steering wheel angel sensor (22), a front ride height sensor (23), a rear ride height sensor (24), a sunshine and rain sensor (25) and an acceleration sensor (26). The invention has the advantages of large lighting range, good lighting effect, no reflected glare, simple structure, accurate control, good environmental suitability, safety, reliability and comfortable drive.

The invention discloses an underwater detection device for a turbid water area. The underwater detection device comprises a flexible wall-attaching module, an underwater device box, an optical image acquisition equipment module, an illumination module, a retractable cable device and a display control module, wherein the flexible wall-attaching module is connected with a front flange in the underwater device box through fastening bolts, and sealing is realized through an O-shaped sealing ring; the illumination module and a camera device are integrated and mounted on a rear cover of the underwater device box; signal wires of the illumination module and the camera device are led out, coiled on the retractable cable device and connected with the display control module, thereby being used for supplying power to the camera device and the illumination device and transmitting signals and data. A front flexible membrane is utilized for observing the underwater area with low visibility in a large range; high-definition image information is acquired by a high-definition camera and the luminance-adjustable illumination device. The device is simple to operate and convenient to carry, and desired high-definition video images of an invisible detection area can be obtained.

The invention provides an auxiliary device for a craniofacial plastic surgery. The auxiliary device for the craniofacial plastic surgery comprises a support module, a position control module, a gesture control module, a motor motion module and a surgery operation module, wherein the support module comprises a base bracket, a beam rod, a transversely H-shaped support frame and a round sleeve fixing member; the position control module is composed of a stepped rod and a drive rod and is connected to a spatial position needed by an adjustment surgery through a bolt; the gesture control module is formed by connecting two mutually orthogonal arc-shaped rods through a bearing, and composes a terminal end gesture needed by the surgery through spatial rotation; the motor motion module comprises a servo motor, a shaft coupler, a lead screw, a light bar, a bearing, a fixing frame and a connecting plate; motion along the axial direction is realized by connecting the shaft coupler, the connecting plate, the light bar and the like through the lead screw. The surgery operation module comprises a handle, a guide rail fixing block, a sliding block, a light bar, a clamp and a cutter. A strain foil sensor is adhered to the inner part of the clamp to display a force size in real time in the operation, so that the depth of bone cutting can be judged.

The invention discloses an all-sight image display device. Image display equipment comprises a pupil adjusting mechanism, a concave lens, a convex lens and a transparent connecting element, wherein the pupil adjusting mechanism is arranged at one side of the image display equipment, the concave lens, the convex lens and the transparent connecting element are arranged at the other side of the image display equipment, the concave lens is arranged next to the display equipment, the transparent connecting element fixes the convex lens onto the concave lens, the image processing is divided into a segmentation step and a conversion step through image processing software, an original image is segmented into a center region and a peripheral region, an image in the center region enters pupils after being refracted through the convex lens and corresponds to the view sight comfortable vision field, and the image of the peripheral part is subjected to polar coordinate inversion through a computer and then enters the pupils through the concave lens. The all-sight image display device has the advantages that an all-sight image is generated through the combination of the concave reflecting lens and the convex lens, the visible range is enlarged, the ultra-large view sight within 230 degrees can be realized, the virtual reality telepresence is greatly improved, after the design is completed, the structure is simple, the assembling and manufacturing difficulty is reduced, the mass production is convenient, and the cost is reduced.

The invention discloses an unmanned plane mechanical arm aerial operation system with the help of virtual reality, and a control method for the unmanned plane mechanical arm aerial operation system. The system consists of an unmanned plane part and a ground station part. The unmanned plane part comprises a triaxial self-stabilizing holder, a camera, an unmanned plane image transmission module, an unmanned plane data transmission module, a mechanical arm, and an airborne computer. The ground station part comprises a virtual reality glasses, a ground station data transmission module, a ground station image transmission module, a mechanical arm operation module, and a ground station computer. Through wearing the virtual reality glasses with a head posture measurement module, an operator can control the field of the camera on the unmanned plane through head movement, so the operation can focus on the control of the mechanical arm, thereby greatly improving the capturing precision and speed of an object.

The invention discloses a HUD (Head Up Display) optical system and application thereof on a motor vehicle. The optical system comprises a front reflector group, a lens group and a rear reflector, which are arranged in sequence from the object space of the optical system to the image space of the optical system, wherein the overall lens group can move axially. According to the technical solution, the vehicle information displayed on an instrument panel is clearly displayed on a windshield in a combination mode of the front reflector group, the lens group and the rear reflector, the projection distance can be changed by movement of the lens group, and large exit pupil diameter and long exit pupil distance can be realized to enlarge the visible range of a user.

A medical imaging apparatus includes a detector unit and a housing unit enclosing the detector unit. A cylindrical receiving region is provided for receiving a patient. The receiving region is enclosed in a cylindrical manner by the housing unit enclosing the detector unit. A projection unit is provided that has at least one projection surface unit, on which images of objects disposed outside the detector unit and the housing unit enclosing the detector unit are displayed to generate a virtual viewing window for an observer.

Swimming goggles comprise a left frame body, a right frame body, lenses, a connecting element, each of the left and right frame bodies having an outer peripheral face, and the outer peripheral faces forming a combination base having a first platform and a second platform thereon, the first platform forming a combination element; the connecting element interconnecting the left and right frame bodies and forming a surface side and a nasal side, the nasal side forming a first junction and a second junction with respect to the first platform and the second platform, respectively, the first junction forming a clamping hole corresponding to the combination element, the nasal side being conformed to the contour of the combination bases, wherein the nasal side and the combination bases together form a smooth surface which could be perfectly fit into both sides of the nose bridge for comfortably wearing in swimming.

The invention provides an optical structure, a display device and a working method thereof and belongs to the technical field of display. The optical structure comprises a first electrode, a second electrode, a first orientation layer, a second orientation layer, liquid crystal molecules located between the first orientation layer and the second orientation layer and multiple insulating protrusions located on the side, facing the second orientation layer, of the first orientation layer, wherein the first electrode and the second electrode are oppositely arranged, the multiple protrusions are arranged at intervals and mutually parallel, and the refractive indexes of the protrusions are identical to the refractive indexes of the liquid crystal molecules in a powered-on state or non-powered-on state. The optical structure can be switched between a first state and a second state by controlling electrical signals exerted onto the first electrode and the second electrode, and the optical structure does not change the propagation direction of light coming into the optical structure in the first state and can change the propagation direction of the light coming into the optical structure in the second state. The switching between peep-preventing display and shared display can be achieved.

The invention discloses equipment and a method for assisting in vehicle driving. The equipment comprises a first detection device for detecting an object in a first distance range and generating a corresponding first detection signal, a first image acquisition device for acquiring an image and generating corresponding image data, and a processor which is connected with the first detection device and the first image acquisition device by signals and is used for controlling the first image acquisition device to acquire the image according to the first detection signal. As the detection device is matched with the image acquisition device, the image acquisition device is triggered to run when the object in the defined distance range is detected, and is not required to be kept started all the time, so that the requirements on equipment are lowered.

The invention provides a photographing method and a mobile terminal. The method is applied to the mobile terminal with a double-camera module. The double-camera module comprises a first camera and a second camera. The method comprises the steps of obtaining a body image collected by the first camera and a wide angle image collected by the second camera, wherein the content of the body image comprises a photographing body, and the content of the wide angle image comprises the photographing body and a photographing background; clipping the wide angle image; and synthesizing the body image and the clipped wide angle image and outputting a synthesized target image. According to the photographing method and the mobile terminal, the body image and the clipped wide angle image are synthesized, sothe completeness and definition of the photographing body can be ensured, the visual range of the photographing background is expanded, details of the image are guaranteed to be sufficient, the useroperation is simplified, the photographing efficiency is improved, and the user experience is improved.

The invention provides an intelligent recognition medlar picking device provided with a distributed machine vision system for solving the problems existing in the prior art. The medlar picking device comprises a rack, a power source system, a control system, a driving system, the machine vision system, a medlar picking mechanical hand, a branch positioning mechanical hand, a medlar picking head and a fruit collecting device, wherein the power source system, the control system, the driving system, the machine vision system, the medlar picking mechanical hand, the branch positioning mechanical hand, the medlar picking head and the fruit collecting device are arranged on the rack. The control system is connected with the machine vision system, the medlar picking mechanical hand, the branch positioning mechanical hand, the medlar picking head and the fruit collecting device through the driving system. The invention further provides a medlar picking method based on the intelligent recognition medlar picking device. The medlar picking device automatically and efficiently collects medlar fruits, solves the problems that the medlar fruits are prone to breakage in the harvesting process, and the picking device is prone to be blocked by leaves, greatly reduces production cost and has good practical application prospects.

A method for simulating convex lens effect in a 3-D application program is disclosed. Grains are dynamically applied to a frame buffer and mapped onto a mirror surface using grain mapping technology to form mirror surface effect; the program calculates the view point in a virtual scene symmetric to the mirror surface so as to get a new visual body symmetrical to the original visual body; all scene is drawn according to the new visual body; then a part of the drawn picture is mapped onto the mirror surface through grain mapping. In the course of grain mapping, normal vector of the mirror surface is used for correcting the calculation of grain coordinate so as to gain the aim of simulating the effect of convex lens. Advantage: directly drawing picture on mirror surface onto a virtual mirror surface without an extra display to simulate mirror surface effect.

The invention discloses a bendable sinoscope which comprises a handle body and a sinoscope rod assembly mounted at the front end of the handle body. The sinoscope rod assembly comprises a sinoscope sheath and a flexible supporting column sleeved with the sinoscope sheath in a coaxial running fit mode. An observation system is arranged in the flexible supporting column, and an observation window of the observation system is fixedly arranged on the front end face of the flexible supporting column. An outer pipe is controlled to axially move, so that the outer pipe drives an inner pipe to be bent on an elastic segment, and the sinoscope can be inserted conveniently after being bent. At the same time, the front end face of the flexible supporting column can be an inclined face inclined relative to the center axis. The front end face of the flexible supporting column is arranged to be the inclined face, the flexible supporting column can be driven by external force to rotate around the center axis of itself, and the visual range is widened. The whole sinoscope is simple in structure, convenient to operate, good in stability, low in cost and easy to popularize. Pus can be directly sucked through an arranged suction channel and can be completely sucked, operative wounds caused by invasive operation cleaning can be avoided, and pain of a patient can be relieved.

The invention discloses a multi-mode observing periscope. The novel periscope consists of a lens barrel 1, reflective mirrors 2 and 3, a beam splitter 4, openings 5, 6 and 7, light barriers 8 and 9, an attachment 10 and a telescope 11. According to different purposes, the periscope provided by the invention can realize the functions of forward and backward simultaneous observation of two persons, upward observation, telescopic observation and image correction. The multi-mode observing periscope has the characteristics of large visual range, a plurality of combinable modes, low difficulties in optic design, simple structure, low manufacturing cost, small volume, light weight, small rotation inertia, convenience and flexibility, can be used for monitoring and aiming at a target in military, can be used in industry and any other places where human eyes are needed but spatial multi-directional periscope, observation and aim cannot be performed directly, and also can be used as an optical teaching instrument.

The invention provides a fisheye image processing method, a device, equipment and storage medium, the method comprises the following steps of: obtaining a sample; acquiring a fisheye image acquired bya fisheye camera arranged on the vehicle; and according to the fisheye camera imaging model, obtaining a distortion-removed planar image corresponding to the fisheye image, the fisheye camera imagingmodel being obtained according to camera parameters of the fisheye camera, performing view angle transformation on the distortion-removed planar image, and obtaining a plurality of planar images under a plurality of different view angles. Therefore, the sample utilization rate is improved, the visual range of the vehicle is enlarged, objects around the vehicle can be sensed more comprehensively,and the driving safety of the vehicle is improved.

A visual test device used for low-temperature liquified gas is provided. The visual test device includes an inner tank body, an insulating layer, an outer tank body and a cover plate. Tops of four side surfaces of the inner tank body are bent outwards by 90 degrees to form a tank body top surface. The cover plate is a transparent cover plate and is mounted in a sealed manner at the tank body top surface to form a top observation window. Front and back side surfaces of the inner tank body, the insulating layer and the outer tank body are provided with a plurality of mounting holes. The front and back side surfaces of the tank bodies are mounted with side observation windows through the mounting holes. The two sides of the test device are provided with the eight observation windows so that situations in the test device can be observed dynamically, and the large observation window is designed at the top, and therefore the inside of the test device is visual in a three-dimensional manner and the visual range is greatly increased.

The invention discloses an underwater target image collection device. The device comprises a close box and an underwater motion robot. A camera is mounted in the close box. A transparent collection window is arranged at the part of the box corresponding to the lens of the camera. The underwater motion robot is fixedly connected with the close box. The underwater motion robot is responsible for moving the close box to a suitable target location. According to the device, through addition of the close box, the working distance of the camera is increased, the visible range of a target in a muddy water environment is effectively improved, the size of an collected image is relatively large, the close box is pushed to be close to the target by the underwater motion robot, and therefore, the definition of the collected image is high.

The invention is applied to the technical field of stereoscopic display and provides a multi-viewpoint LED (Light Emitting Diode) free stereoscopic display device. The multi-viewpoint LED free stereoscopic display device comprises an LED display screen and optical gratings; pixels of the LED display screen are synthesized by RGB (Red Green Blue) three-primary-color light emitting chip; the ith row of pixels which are obliquely arranged on the LED display screen for the pixels at the same viewpoint are moved by ni is equal to mod(round(i-1) is multiplied by tantheta),N) pixels relative to the pixels of the i-1th row; theta is larger than 0 degree and smaller than or equal to 85 degrees; N is the number of viewpoints; a pitch of the optical gratings is expressed as follows: Nd costheta is less than or equal to P is less than or equal to (N plus 0.5)d costheta; the distance D between the optical grating and the LED display screen is equal to (P is multiplied by L)/(E plus P). According to the multi-viewpoint LED free stereoscopic display device, the optical gratings and the pixels are obliquely arranged; the visual range of the same viewpoint in the horizontal direction is expanded; the visual area overturn is reduced to a certain extent; the resolution ratio of the viewpoints is compensated by the adjacent pixels on two sides for the pixels of the same viewpoint; in addition, the pixels of the same viewpoint are obliquely arranged and are uniformly distributed on the whole screen, so that the display pictures are more uniform; the comfort is improved.