77results about How to "Avoid blur" patented technology

The invention provides an F-P spectral imaging system and method, and belongs to the technical field of spectral component measurement, and the system comprises a front lens which is used for collecting light energy and converting the light energy into emergent light meeting the limitation of the clear aperture of an F-P interferometer; the annular band optical filter comprises a central area and a plurality of concentric annular areas surrounding the central area, the bandwidth of each area is the same as the free spectral range of the F-P interferometer, and the annular band optical filter is used for eliminating level aliasing in emergent light of the front lens; the F-P interferometer is used for carrying out wavelength selection on emergent light of the annular band optical filter and outputting an interference field; the imaging mirror is used for projecting the interference field to the detector; and the detector is used for converting the projected optical signal into a digital electric signal. The F-P spectral imaging system which can maintain high spectral resolution and also can realize wide spectrum coverage is constructed by introducing the annular band optical filter which is accurately matched with the FSR of the F-P interferometer.

This application discloses a video frame error repair method, apparatus, device, and medium based on spatial domain filtering, relating to the field of video encoding and decoding technology. The method includes: acquiring a target video frame and determining a reconstructed image block; determining target boundary pixels based on the distance between each pixel in the reconstructed image block and the image block boundary, and adjusting the pixel values ​​of the target boundary pixels to obtain a boundary-adjusted image block; performing spatial domain filtering on the boundary-adjusted image block to obtain a filtered image block; acquiring target texture information from the neighborhood of the filtered image block, and superimposing the target texture information onto the corresponding target boundary pixels in the filtered image block to complete the video frame error repair. By making the filtering intensity in the boundary region lower than that in the non-boundary region, edge details are preserved; and by acquiring texture information from the neighborhood and superimposing it onto the boundary pixels, the problem of lacking natural texture is solved.

The utility model discloses a kind of quick solidification devices of ink-jet printer, comprising: printing table, mounting plate, installation component, guide component, driving assembly, printing component and heating component, installation component is installed on printing table, mounting plate, guide component and driving assembly are all installed on installation component, printing component and heating component are all installed on mounting plate, driving assembly connects guide component, guide component connects mounting plate, mounting plate is located on the first plane parallel with printing table, installation component is located on the second plane parallel with first plane, driving assembly can drive mounting plate to move on the first plane or between second plane and printing table any third plane parallel with first plane.The utility model can heat solidification to new ink jetting in time, avoid pattern blur or stain, significantly improve ink-jet printing quality.

This invention belongs to the field of QR code printing control technology, specifically disclosing a variable QR code printing control method. This method includes: importing order parameters containing QR code printing position, content type, and application scenario characteristics; real-time acquisition of the flatness and colorimetric features of the substrate surface; quantifying and generating integrity assurance coefficient and clarity maintenance coefficient based on flatness features and printing position; quantifying and generating color stability coefficient and readability maintenance coefficient based on colorimetric features; comparing and verifying each quality indicator with quality indicator thresholds dynamically generated based on order parameters; if verification passes, printing is executed; otherwise, printing parameters are dynamically adjusted before printing is executed. This invention, through multi-feature fusion and dynamic verification adjustment, significantly improves the printing quality, physical durability, and visual readability of QR codes in complex outdoor environments, and overall enhances the adaptability of the QR code printing process.

The utility model relates to the technical field of optical lenses, in particular to a miniature dot matrix contrast-reducing lens, which comprises a lens, the lens comprises a central optical area and a miniature dot matrix area, the miniature dot matrix area comprises two dot matrix structures, namely a large dot matrix with the diameter of 0.18 mm and a small dot matrix with the diameter of 20-30 microns, the number ratio of the large dot matrix to the small dot matrix is 1: 3-1: 8, and the number ratio of the large dot matrix to the small dot matrix is 1: 3-1: 8. The covering density of the dot matrix areas is 10-45%, the dot matrix spacing is 0.2-0.65 mm, the depth of the dot matrix is 2-8 microns, the edge of the dot matrix is provided with a smooth transition area of 0.05-0.1 mm, the lens further comprises micro-lens areas, and the micro-dot matrix areas and the micro-lens areas are alternately distributed. The central optical area of the lens is not covered by the dot matrix, so that clear view is guaranteed; the contrast of the dot matrix area is accurately regulated and controlled, full-view blurring is avoided, micro-lens defocusing and dot matrix contrast reduction are combined, eye axis growth is doubly inhibited, dot matrix size and interval optimization is achieved, and glare and visual interference are reduced.

This utility model discloses a CCD vision assembly precision inspection machine for new energy vehicle connector processing, relating to the field of automotive parts inspection technology. It includes a processing table, an inspection frame, a lateral adjustment motor box, a hydraulic cylinder, and an inspection machine angle tilting motor. The inspection frame is welded and fixedly connected between the left and right sides of the top of the processing table. The lateral adjustment motor box is bolted and fixedly connected to the right side of the top of the inspection frame. Laterally adjustable driven screws are frictionally rolled and connected to the inner wall surfaces of the laterally cut sections at both ends of the inspection frame. Laterally sliding threaded bearings are slidably connected to the threaded engagement points on the outer wall surfaces of the laterally sliding threaded bearings. A support plate is welded and fixedly connected to the middle of the outer side of the laterally sliding threaded bearings. A hydraulic cylinder is welded and fixedly connected to the inner wall surface of the top center of the support plate. A piston hydraulic rod is slidably connected to the inner wall surface of the hydraulic cylinder.

The present application belongs to the technical field of electromagnetic signal interference troubleshooting, and particularly relates to a coaxial rotor electromagnetic signal interference troubleshooting system and method with a foldable launching cylinder. The electromagnetic signal interference troubleshooting system adopts a coaxial rotor unmanned aerial vehicle carrying a foldable direction-finding antenna array. The aerial part is foldable as a whole and can be accommodated in a launching cylinder after folding. The system can be launched by the launching cylinder, facilitating portability and rapid deployment, and meeting the application requirements of special occasions such as in-vehicle launching or airborne dropping. The coaxial rotor unmanned aerial vehicle carries a multi-antenna monitoring and direction-finding load. The coaxial rotor unmanned aerial vehicle flies in a tilted rotor disc mode. Compared with a multi-rotor unmanned aerial vehicle, the attitude changes little during flight, and the influence on the antenna array attitude is small. The unmanned aerial vehicle can continuously direction-find electromagnetic targets during flight. The system is provided with an antenna control mechanism, which can adaptively adjust the antenna array spacing in the air according to the required frequency range, expand the direction-finding frequency range of the system, avoid ambiguity, and improve the working efficiency of the system.

The application discloses a speech synthesis model training method and device, equipment and a storage medium, relates to the technical field of data processing, and the method comprises the steps of obtaining single batch training data, wherein the single batch training data comprises a plurality of input queries; for any input query, a plurality of speech acoustic reply sequences are generated by sampling a to-be-trained speech synthesis model; multi-dimensional acoustic reward calculation is performed on each speech acoustic reply sequence to obtain a plurality of groups of original reward vectors; based on a grouping reward decoupling strategy optimization mechanism, a plurality of batch advantage values are calculated according to a plurality of groups of original reward vectors corresponding to the plurality of input queries; and model parameter updating is performed on the to-be-trained speech synthesis model by maximizing a preset target expected reward function according to the plurality of batch advantage values. The application solves the problem of advantage collapse of multi-dimensional acoustic reward signals through the above scheme, and improves the quality of speech generated by the speech synthesis model.

This utility model relates to the field of camera protection technology, and in particular to a fully sealed and waterproof camera protection structure, comprising a housing, a connecting shaft, a mounting sleeve, a drive assembly, and a spiral arm. A camera is mounted on the inner end of the housing. The connecting shaft is rotatably connected to the end of the housing, and a connector is fixedly connected to the outer end of the housing. An internal gear ring is fixedly connected to the inner wall of the mounting sleeve, which is rotatably connected to the connector. The drive assembly drives the internal gear ring to rotate. In this utility model, the drive assembly rotates the spiral arm, causing heating lamps on the spiral arm to heat the camera lens from all directions, evaporating snow and water from the lens surface and preventing icing. Compared to traditional cameras, this effectively copes with extreme weather, ensuring the camera lens surface remains dry and preventing blurry monitoring images due to snow and water freezing, significantly improving monitoring performance.

This invention belongs to the field of video transmission technology, specifically relating to an adaptive bitrate image transmission method and system for remote video monitoring of ships. The method includes the following steps: S1, acquiring multi-source heterogeneous data of the ship, including navigation situation data characterizing the state of obstacles around the ship, ship attitude data characterizing the degree of ship sway, and network status data characterizing the quality of the satellite link; S2, based on the relative motion information in the navigation situation data and the angular velocity information in the ship attitude data, constructing a navigation safety urgency model, and calculating a navigation safety urgency index characterizing the dependence of the current environment on video clarity. This invention, through a data-driven approach, achieves forced image quality enhancement during high-risk periods while ignoring some network fluctuations, saves bandwidth during stable periods, and effectively resists the consumption of encoding resources by sea noise.

The invention belongs to the technical field of biomedical equipment, and relates to a tongue picture electronic observation mirror based on traditional Chinese medicine inspection diagnosis, which comprises a box body and a face fitting opening. A transparent flexible isolating membrane is arranged in the box body and divides the inner cavity into an equipment cavity and an inspection cavity, and the image acquisition and light supplement device is arranged in the protected equipment cavity. A ventilation and purification device is arranged in the examination cavity, and an environment sensor and a human body induction sensor are arranged. And the control unit automatically executes a cooperative control process of firstly starting the ventilation and purification device to disinfect and purify the examination cavity, then driving the automatic rolling and replacing device to update a section of isolating membrane after the environment reaches the standard and finally recovering the micro-positive pressure state in the examination cavity after each time of use according to a sensor signal. Through deep integration of physical isolation, dynamic purification and intelligent control, lasting protection of core equipment is achieved, cross infection is completely eradicated, and clearness and standards of tongue pictures are guaranteed under various use conditions.

The utility model discloses a plastic product surface micro-pattern coining device, and particularly relates to the technical field of daily plastic product processing equipment, the plastic product surface micro-pattern coining device comprises an operation table, the middle of the upper end of the operation table is fixedly connected with a fixing assembly, the four corners of the upper end of the operation table are fixedly connected with sliding rods, and the upper ends of the four sliding rods are jointly and fixedly connected with a top plate; an electric cylinder is fixedly connected to the middle of the upper end of the top plate, and the output end of the electric cylinder penetrates through the top plate and is fixedly connected with a push plate. According to the plastic product surface micro-pattern impressing device, the plastic product can be fixed through the fixing assembly, displacement caused by thermal expansion or mold movement is avoided, the buffering assembly and the impressing assembly are arranged, the plastic product is pressed through a plurality of evenly-dispersed pressing blocks, and the surface micro-pattern impressing effect is improved. The pressure is ensured to be uniformly distributed on the surface of the plastic product, micro-grain deformation or blurring caused by overlarge local pressure is avoided, vibration and impact in the embossing process can be absorbed, and the service life of the device is prolonged.

The invention discloses an image fusion method, device and equipment based on an improved optimal suture line and a medium, and belongs to the technical field of image processing, and the method comprises the steps: obtaining two to-be-registered images after preprocessing, and enabling the images to have an overlapping region; constructing an energy function based on the color difference, the structure difference, the centroid difference and the texture information of the pixels in the overlapping region, and determining a composite energy value of the pixel points in the overlapping region according to the function; on the basis of the composite energy values of all the pixel points, a global path optimization algorithm is adopted, and a path with the minimum accumulated energy value is searched and determined in the overlapping area to serve as an optimal suture line; pixel fusion is carried out on the two images to be registered along the optimal suture line, the pixel fusion is carried out in a fusion area surrounding the optimal suture line, and the width of the fusion area is adjusted according to texture information in the fusion area. According to the method, obvious blurring in vision can be avoided while image stitching traces are weakened.

The utility model discloses a detection device for equipment cooperation, which belongs to the field of product detection and comprises a base, a vertical shaft rotatably mounted at the top of the base, an upper support fixedly mounted on the vertical shaft, a plurality of grooves distributed in a circumferential array are formed in the upper support, cylinders capable of sliding up and down are placed in the grooves, vertical rods are fixedly connected to the bottoms of the cylinders, and the vertical rods are fixedly connected to the bottoms of the vertical rods. The lower ends of the vertical rods penetrate through the upper support. A rotating mechanism is arranged on the machine base, a controller is fixedly installed on the machine base, a height adjusting mechanism is installed on the machine base, a second servo motor drives an eccentric wheel to rotate, the eccentric wheel pushes a vertical rod to move upwards at a slow speed, the barrel can move upwards synchronously, and therefore a workpiece on the barrel moves towards an industrial camera. The industrial camera can carry out image capturing work on a workpiece with a small size in a closer distance, the problem of image blurring or detail loss caused by the fact that the distance of a small-size target is too long is effectively avoided, the image resolution is improved, and micron-sized defects can be detected more easily.

The invention relates to a three-dimensional reconstruction method based on Gaussian point information redistribution and geometric structure constraint. The method comprises the following steps: acquiring target scene image data, and extracting a visual Gaussian point attribute parameter set based on a 3D Gaussian sputtering framework; randomly rejecting part of Gaussian points, determining a neighborhood point set of the Gaussian points, and constructing an approximate model to obtain a gradient item set; constructing an incidence matrix and calculating an information distribution coefficient, and compensating the opacity and color information of the rejected points to neighborhood points to update a parameter set; constructing a total loss function containing basic reconstruction, local direction consistency and main direction alignment loss, and iteratively optimizing parameters; and dynamically adjusting the Gaussian point shielding rate and modifying opacity associated parameters, maintaining physical constraints, and repeating information redistribution until training is completed, thereby realizing high-quality three-dimensional reconstruction. By adopting the method, the definition of the geometric structure can be improved.

The invention relates to the technical field of football training video capture equipment supporting, and discloses an angle-adjustable football training video capture and capture camera supporting structure which comprises a goal, connecting pieces are fixedly connected to the middle of the top end and the middle of the bottom end of the goal, and a supporting frame is fixedly connected between the two connecting pieces. The supporting frame is parallel to the inclined end of the frame of the goal, and a linear driving mechanism arranged in the length direction of the goal is fixedly installed on the upper surface of the supporting frame. According to the angle-adjustable football training video capturing and collecting shooting device supporting structure, the position of the shooting mechanism in the length direction of a goal is adjusted, an electric sliding rail drives a sliding block to move, a fixing disc and a damping mechanism, an adjusting mechanism and the shooting mechanism above the fixing disc are driven to integrally move, and the shooting range is expanded; the requirements for shooting positions in different training scenes can be met, shooting blind areas caused by fixed shooting positions are avoided, and it is ensured that training actions of players in different areas can be comprehensively captured.

This disclosure provides a method, apparatus, and storage medium for anti-disturbance hovering control of an unmanned aerial vehicle (UAV), comprising: acquiring real-time sensing data of the UAV relative to the boiler wall using millimeter-wave radar; acquiring real-time differential pressure of the UAV using a differential pressure sensor; acquiring real-time temperature gradient of the UAV using a temperature sensor; determining an estimated normal distance between the UAV and the boiler wall based on the sensing data and the world coordinate system; identifying the rising flue gas disturbance field inside the boiler online based on the differential pressure, temperature gradient, and estimated normal distance, and obtaining an estimated equivalent disturbance acceleration; converting the estimated equivalent disturbance acceleration into a feedforward acceleration command; determining a closed-loop acceleration command based on the error of the estimated normal distance; and vectorically superimposing the feedforward acceleration command and the closed-loop acceleration command, and generating attitude and thrust commands through imaging quality limiting mapping to drive the UAV to perform anti-disturbance hovering.

The invention relates to the technical field of ultrasonic image processing, and the method comprises the steps: carrying out the calculation of three different feature algorithms on an obtained ultrasonic training image, thereby obtaining a clear ultrasonic feature point image; processing the ultrasonic training image based on a preset first feature algorithm to obtain a first ultrasonic image, processing the first ultrasonic image based on a preset second feature algorithm to obtain a second ultrasonic image, and processing the second ultrasonic image based on a preset third feature algorithm to obtain an enhanced ultrasonic image, the ultrasonic training image is processed through the obtained enhanced ultrasonic image and the initial feature extraction model to obtain the initial feature image to determine the loss function, and the quality of the 2D feature points can be improved through the three feature algorithms, so that the problem that the extraction of the 2D ultrasonic image feature points is not accurate enough is solved.

The application discloses a kind of depth map optimization registration methods for thermal infrared plane, comprising the following steps: obtaining original depth map, depth camera internal parameter, thermal infrared camera internal parameter and the external parameter of depth camera to thermal infrared camera;Effective range screening is carried out in original depth plane, fly point is inhibited, small hole is repaired and stable area is weakly smoothed, and then optimized depth is projected into three-dimensional point and projected to the subpixel coordinates of thermal infrared plane;Bilinear scattering distribution is executed to adjacent 2x2 thermal infrared pixels, and after contribution is screened according to near layer constraint, weighted aggregation is added;Local hole is filled, and the optimized registration depth map is obtained.The application can reduce the sparse crack generated by single-pixel quantization when depth map is projected to thermal infrared plane, improve effective coverage rate, and keep weld step, lap edge and other geometric mutations.

The utility model relates to the technical field of aluminum foil container pattern processing, and provides a profiling die and mechanical equipment for an aluminum foil container. The aluminum foil container is arranged on the periphery of the male die in a sleeving mode, and corresponding impressing lines are arranged between the upper profiling die and the male die. The upper profiling die is far away from the male die in the initial state and the aluminum foil container demolding state, and when the upper profiling die is close to the male die and the aluminum foil container is located between the upper profiling die and the male die, the embossing lines act on the aluminum foil container so that patterns can be embossed on the outer surface of the aluminum foil container, and the profiling uniformity and precision of the aluminum foil container are remarkably improved. And the upper profiling die is far away from the male die in an initial state, so that the aluminum foil container is positioned with the male die in the initial state. Through the matched design of the embossed lines, the pattern embossed lines on the outer surface of the aluminum foil container are consistent, and the problem of pattern blurring caused by traditional single-side profiling is solved. The technical scheme is particularly suitable for impressing complex patterns, and can meet the requirements of consumers on personalized appearances and reduce the defective rate.

This invention relates to the technical field of plastic bag embossing devices, and more particularly to a plastic bag relief embossing device. It includes: a base; side plates symmetrically connected to the top of the base; a controller mounted on the top of the base; a first rotating roller rotatably connected to the side plates at intervals; a rotating cylinder rotatably connected to the side plates, with circumferentially spaced circular holes on the cylinder; a mounting base connected to the side plates, located inside the rotating cylinder; and electromagnets evenly spaced on the top of the mounting base. This invention uses the controller to precisely control the on / off state of the electromagnets at designated positions. Magnetic force drives a push pin to pass through the circular holes and press against a heated plastic film. When the push pin rotates over the electromagnet, a connecting spring automatically resets it. This precise and controllable pressing method, combined with the assistance of heating and vibration components, can form indentations of varying depths and distinct layers on the surface of the plastic film, thereby producing a relief pattern with a strong three-dimensional effect.

The present application relates to the technical field of ice-coating monitoring, in particular to a power transmission line double-view image ice-coating monitoring method and device, based on double-view ice-coating images, not only through multi-view information complementation, more ice-coating details are obtained under complex weather scenes, the accuracy of ice-coating type discrimination is effectively improved, and the accuracy of ice-coating density calculation is further improved; and based on double-view image conductor standard ice thickness extraction technology, the ice-coating thickness of two mutually perpendicular directions can be obtained, the ice-coating of irregular section of the conductor is approximated to an ellipse, the accuracy of ice-coating cross-sectional area calculation is effectively improved, and the standard ice thickness calculation accuracy is finally improved by combining the equal weight method to convert it into a circular cross-section standard ice-coating.

The utility model relates to a kind of anti-deflection type photosensitive seal, relating to photosensitive seal device field, including shell, seal, handle and bin cover, handle is connected with shell, seal is located in shell, bin cover is connected with shell, shell is equipped with anti-deflection positioning pressing ink adding component inside, anti-deflection positioning pressing ink adding component includes limiting post, positioning ring, push ring, fixed column, uniform force down component and ink adding component, limiting post is fixedly connected with shell, push ring is slidably connected with limiting post, fixed column is fixedly connected with push ring, fixed column is connected with seal, positioning ring is slidably connected with shell, uniform force down component is connected with positioning ring, uniform force down component is connected with push ring, ink adding component is connected with fixed column, ink adding component is connected with limiting post, beneficial effect: it avoids that seal is inclined to press down when rotating wrist seal, and seal is unevenly stressed to cause deflection to cause seal fuzzy or uneven imprint when sealing, improve the efficiency of sealing.

This application provides a tear detection device for mining conveyor belts, relating to the field of conveyor belt technology, including a conveyor belt assembly and a detection assembly. The conveyor belt assembly includes a support, idlers, and a belt. Two idlers are provided, each rotatably connected to both ends of the support. The belt drive is connected between the two idlers. The detection assembly includes a dust collection box, a sliding mechanism, and an eccentric wheel. The dust collection box is fixedly connected to the support, and the sliding mechanism is disposed within the dust collection box. This application utilizes a rotating eccentric wheel to periodically press against the belt, allowing the camera module to remain relatively stationary with the belt during image capture. This effectively improves image quality and avoids blurry photos. The detection assembly uses the dust collection box to remove dust from the belt before taking images, preventing excessive dust from affecting normal image capture during mineral transport and achieving more accurate detection results.

The utility model belongs to the printing drying technical field, concretely is a kind of textile fabric printing post-drying equipment, including box, drying mechanism, the left end of box is equipped with feeding roller, the right end of box is equipped with discharge roller, the inside of box is movably installed with several first rotating rollers by pivot, drying mechanism includes the drying oven on the box, the first fan installed on the one side of drying oven, several second rotating rollers are arranged in the inside of drying oven, several second rotating rollers are staggered distribution in the inside of drying oven, the gas delivery end of first fan is fixed with air guide component, and hot gas is guided into the inside of drying oven by air guide component. The residence time of textile fabric in drying oven can be delayed by several second rotating rollers, and the drying effect of textile fabric is effectively improved.

The utility model discloses a heat treatment forklift which comprises a forklift body and a windshield, a cleaning rod is connected to the windshield in a sliding mode, a cleaning piece is detachably connected to the cleaning rod, a plurality of elastic pieces are arranged on the cleaning piece, and a plurality of bristles are arranged on one side of each elastic piece. When dust on the surface of the windshield needs to be cleaned, the cleaning rod slides downwards, the elastic piece deforms due to the acting force, the bristles abut against the surface of the windshield, and the dust is swept off in the sliding process. Therefore, the effects of cleaning the windshield, ensuring the windshield to be clean and avoiding fuzzy dust are achieved.

The application relates to the field of image restoration, in particular to an intelligent image recognition and restoration processing system and method based on big data, which comprises an image verification module, a selection restoration module, a gray scale restoration module, a color separation enhancement module and a color mixing filter module; the image verification module is used for determining image information loss; the selection restoration module is used for calculating the peak signal-to-noise ratio of the image; the gray scale restoration module is used for outwardly extending the gray scale texture of the image; the color separation enhancement module is used for separating the image colors by using different color separation schemes; and the color mixing filter module is used for carrying out image denoising and image color mixing processing through a filter. The application can avoid the data block effect, blurring and color distortion caused by network fluctuation, reduce the image restoration time, adapt to the viewing demand of users, reduce the influence of data loss on the image, optimize the calculation efficiency of the restoration algorithm, improve the picture texture visual sense and improve the visual experience of terminal users.

The invention relates to the technical field of fruit and vegetable processing equipment, in particular to a fruit and vegetable maturity visual identification sorting device which comprises a conveyor body, the output end of the conveyor body is fixedly connected with a hopper, the output end of the hopper is provided with a conical conveying mechanism, and the output end of the conical conveying mechanism is provided with a detection mechanism. The sorting mechanism is fixedly installed at the bottom end of the detection mechanism, the detection mechanism comprises a bottom plate, a clamping mechanism and a detection platform, the clamping mechanism is installed at the top end of the bottom plate and located at the output end of the conical conveying mechanism, and fruits and vegetables are automatically contracted and arranged through the conical conveying mechanism before entering a detection area and enter a cylinder in a single-row ordered posture; the problems of rolling deviation and uncontrollable postures of the fruits and vegetables easily caused by a straight conveying belt are avoided; when fruits and vegetables fall, a rectangular block slides along an inclined groove to compress a spring, a clamping silica gel plate is pushed to adaptively clamp the fruits and vegetables with different sizes, the fruits and vegetables are kept stable in the detection process, and image blurring caused by shaking and displacement is avoided; and grading damage is effectively avoided.

The invention provides an optical system for complex system imaging, which comprises an eyepiece, an aperture diaphragm, an aberration eliminating lens group, a front field lens group, a rear field lens group and a prism group, a semi-transparent and semi-reflective mirror is arranged in the rear field lens group, light of a light source is irradiated to pupils through the eyepiece, reflected light of the eye ground comes out from the pupils, and the prism group is arranged on the eyepiece. Light passes through the eyepiece, the aperture diaphragm, the aberration eliminating lens group, the front field lens group and the rear field lens group and reaches the semi-transparent and semi-reflecting mirror, 50% of the light passes through the semi-transparent and semi-reflecting mirror and enters the prism group for RGB imaging, the other 50% of the light is reflected by the semi-transparent and semi-reflecting mirror for white light imaging, the front field lens group comprises a transmission-type deformable mirror, and the rear field lens group comprises a transmission-type deformable mirror. The fundus, the focusing surface of the aberration eliminating lens group, the focusing surface of the front field lens group and the focusing surface of the prism group are mutually conjugated, and the pupil, the aperture diaphragm and the transmission type deformable lens are mutually conjugated. According to the invention, high precision, high stability and high light energy utilization rate of the system in a complex imaging scene are ensured, and a solution is provided for multi-band and high-resolution diagnosis of fundus diseases.

This utility model discloses a novel flexible printing plate clamping device, comprising a base plate and a support frame. The support frame is mounted on the top of the base plate, and a cylinder is mounted on the top of the support frame. Slide rails are symmetrically mounted on the top of the base plate away from the support frame. Movable plates are disposed outside the slide rails, and sliders are slidably mounted on the surfaces of the slide rails. Support plates are symmetrically mounted on the bottom ends of the movable plates, and each support plate is connected to a slider. A rotating box is mounted on the top of the support plate away from the movable plate, and support seats are symmetrically mounted on the top of the base plate near the slide rails. This utility model not only enables convenient replacement of flexible printing plates, reducing manual labor intensity and improving the efficiency of the printing plate clamping device, but also allows the printing plate clamping device to elastically press down the fabric for printing, avoiding ghosting or blurring during printing and improving the printing quality of the printing plate clamping device.