69results about How to "Solve the problem of reflection" patented technology

The invention relates to an image obtaining and processing device and a method thereof, and a vehicle supervising and recording system. The image obtaining and processing device comprises: an imaging unit which is used for photographing video images within a supervised region and generating corresponding analog video stream, an analog digital transforming unit which is used for transforming the analog video stream into digital video stream, a video triggering unit which is used for analyzing the digital video stream and generating a video triggering signal when a vehicle is detected, a snapping unit which is used for obtaining a current video image from the digital video stream after receiving a triggering signal which comprises the video triggering signal output by the video triggering unit, an information obtaining unit which is used for processing the video image obtained by the snapping unit so as to obtain vehicle information from the image. The image obtaining and processing device realizes the integration of the obtaining and real-time processing of the image, thereby simplifying the structure of the vehicle detecting and recording system and reducing the installment complexity of the system.

An embodiment of the invention discloses a glasses elimination method for face recognition to solve the problem that the glasses of a face image reflect light. The method disclosed by the embodiment of the invention comprises the following steps: acquiring a face image, and carrying out gray-scale treatment on obtained multiple image frames to obtain multiple first images; carrying out face detection on the first images to obtain a face region; calculating the reflectance of the face region; screening the first images of which the reflectance is not greater than a preset first reflectance threshold as second images; positioning a glass frame region of a glass frame on the second images; and restoring the glass frame region on the second images to obtain a target image without the glass frame.

The invention provides a display substrate and a preparing method thereof and a display panel, and relates to the technical field of displaying. The quantity of mask plates in the display substrate preparing process can be decreased. The preparing method includes the steps that a plurality of first shading strips and a plurality of second shading strips intersecting with the first shading strips are formed on a substrate to obtain a black matrix pattern; a plurality of first touch electrode strips are formed on the substrate, wherein orthogonal projection of the first touch electrode strips and orthogonal projection of the first shading strips are overlapped on the substrate; a first insulating layer covering the multiple first touch electrode strips is formed on the substrate; a plurality of second touch electrode strips are formed on the substrate, wherein orthogonal projection of the second touch electrode strips and orthogonal projection of the second shading strips are overlapped on the substrate; a second insulating layer covering the multiple second touch electrode strips is formed on the substrate; the multiple first shading strips and the multiple first touch electrode strips are exposed and obtained through first mask plates; the multiple second shading strips and the multiple second touch electrode strips are exposed and obtained through second mask plates.

The invention discloses a double-screen adjustable assisting device for education and teaching. The device comprises a base, a main supporting platform, an adjusting rod, a second lead screw and display screens, wherein supports are arranged at two sides of the upper surface of the main supporting platform, and connecting rods are rotatably connected to the supports; one end of each connecting rodis fixedly connected to the corresponding display screen, and the other end of each connecting rod is hinged with a sliding block. According to the device, the main supporting platform is simple to operate, and convenient to lift; a power device for driving is saved; the device is energy saving and environmentally friendly; a handle is simply pulled to move a rack, and the rack is engaged with agear, so that the second lead screw can be indirectly driven to rotate; the pulling direction of the handle is controlled to change the rotating direction of the second lead screw, and the sliding block is adjusted to move up and down so as to adjust the elevation angles of the display screens, and thus the problem of light reflecting caused by light irradiating can be avoided; and meanwhile, twodisplay screens are arranged, so that the guidance and teaching can be synchronously carried out to students at two sides of a classroom, and the students at two sides can watch clearly and conveniently.

The invention discloses an intelligent lighting system for a fatigue driving early-warning system. The two sides of a camera of the fatigue driving early-warning system are respectively provided with a 850 nm infrared lamp and a 940 nm infrared lamp. The camera is provided with an infrared optical filter. The 850 nm infrared lamp and the 940 nm infrared lamp are connected with a control circuit. The control circuit is connected with a photosensitive sensor. According to the technical scheme of the invention, the illumination is realized by the large-power 850 nm infrared lamp in the daytime. Based on the near-infrared imaging process, the fatigue detection problem of a driver when wearing a pair of glasses that reflect the light or wearing a pair of sunglasses can be solved. At night, the illumination is realized by the 940 nm infrared lamp, so that the infrared exposure phenomenon is avoided. Therefore, the driver is prevented form being interfered.

The embodiment of the invention provides a cover plate and a preparation method thereof and a display device and relates to the technical field of display. The problem can be solved that a cover platereflects light so that light rays can enter an array substrate and the performance of the array substrate can be influenced. The cover plate comprises a first substrate and an auxiliary cathode whichis arranged on the first substrate and further comprises a wrapping layer which is arranged at the side, away from the first substrate, of the auxiliary cathode, and the wrapping layer wraps the auxiliary cathode; the wrapping layer is provided with multiple columnar patterns and touch holes; a conductive layer is arranged at the side, away from the first substrate, of the wrapping layer and electrically connected with the auxiliary cathode through the touch holes.

The invention discloses a high-precision aligned stitching testing machine, and the machine comprises a supporting plate, a lower press unit, an FPC plate structure unit, an aligned camera unit, and a carrier unit. The supporting plate is provided with a group of openings, and the FPC plate structure unit passes through the openings to be disposed on the supporting plate. One side of the FPC plate structure unit is provided with the carrier unit, and the lower press unit is disposed beside the carrier unit. The aligned camera unit is disposed below the supporting plate. The machine is reasonable in structure, is convenient to use, carries out the amplification imaging of a tested object through the aligned camera, and can clearly check the alignment condition, so as to guarantee the accurate alignment, stitching and testing.

The invention discloses a fish-eye lens. The fish-eye lens comprises a frame and a lens assembly which is arranged in the frame, wherein a circular polarizer is combined in the lens assembly; the fish-eye lens is detachably arranged on a lens of external equipment through a mounting structure and can rotate freely along the circumference. According to the fish-eye lens, by additionally arranging a circular polarizer in the lens assembly, unnecessary polarized light is removed, so that the entire picture is clearer, a more transparent feeling is realized, the problem of reflection during photographing is solved, and the photographing effect is clearer; the fish-eye lens is detachably arranged at the lens position of external equipment through the mounting structure, so that free rotation of the fish-eye lens along the circumference is guaranteed.

The invention discloses a seamlessly spliced display. The seamlessly spliced display includes display screens which are spliced with each other, light transmission plates covering display areas and frames of the display screens are arranged in front of the display screens, the front surfaces of the light transmission plates are emergent faces, micro-prisms covering the whole emergent faces are arranged on the emergent faces, and each micro-prism includes a plurality of prism strips with bevels, wherein the prism strips are parallel to form a sawtooth shape; the prism strips extend to all the frames from the centers of the light transmission plates, the prism strips extending along the frames are parallel to the frames in the corresponding directions respectively, and the prism strips in the adjacent directions are mutually connected. According to the seamlessly spliced display, the whole emergent faces of the light transmission covering plates are provided with the prisms with the bevels, so that the picture stretching problem of screen edges and the light reflection problem of display pictures are solved.

The invention relates to a camera for a high-definition CMOS endoscope. The camera for the high-definition CMOS endoscope comprises an image sensor, a system sequence circuit, an LVDS coding circuit, a power supply unit and SCCB control signals. The output end of the system sequence circuit is connected with the input end of the image sensor. The output end of the image sensor is connected with the input end of the LVDS coding circuit. The output end of the LVDS coding circuit outputs the signals. The SCCB control signals are input into the image sensor. The power supply unit is electrically connected with the image sensor, the system sequence circuit and the LVDS coding circuit. A CMOS sensor with the resolution ratio up to 720 P is adopted, the frame rate can reach 30fps, the size of the camera is reduced, the number pixel is increased, video signals are output by adopting an LVDS coding technology for coding, the resolution is improved, the transmission distance is increased, the control interface of the camera is opened, the exposure mode of the camera can be set through a rear end processing chip, and the light reflection problem caused during metal object observation is solved.

The invention discloses a magnetic dust-free blackboard. A blackboard body comprises a white blackboard panel, a middle layer and a sealing plate. The blackboard panel is formed by many thickly dottedconcave and convex cambered surfaces, and magnetic powder is stored in the middle layer which is formed by butt joint of two PE films of polygonal honeycomb structures and is tangential to the concave and convex cambered surfaces of the blackboard panel; a board eraser comprises two ball lead screws and magnetic strips, the two ball lead screws are separately aligned to the upper and lower edgesof the frame of the blackboard, the magnetic strips are parallel to the blackboard panel and are mounted vertical to the ground, the upper and lower ends of the magnetic strips are separately connected to nut pairs of the two ball lead screws, and the two ball lead screws are connected through a gear rack; a contact probe pen comprises a pen shell and a magnet mounted in the pen shell, and two ends of the magnet are separately poles N and S. According to the magnetic dust-free blackboard disclosed by the invention, the reflective problem of the blackboard can be solved well, and the writing isclearly displayed. Contents are written by matching the contact probe pen with the magnetic powder, so that generation of dust is prevented, the physical health of a user is guaranteed, and the magnetic dust-free blackboard which has an erasing function is convenient to use.

The invention discloses a film for anti-glare glass. The film comprises a PET substrate thin film, wherein an antistatic coating is arranged on the upper surface of the PET substrate thin film and a pressure sensitive adhesive layer is coated on the lower surface of the PET substrate thin film; an isolated material layer is attached on the other surface of the pressure sensitive adhesive layer; a plurality of pores and thermal expansion microspheres are uniformly distributed in the pressure sensitive adhesive layer; a contact surface of the pressure sensitive adhesive layer with the isolated material layer is 2.9-3.3 microns in roughness; the pores are 4-8 microns in average diameter; the thermal expansion microspheres are 5-16 microns in average diameter. The film for the anti-glare glass disclosed by the inventions solves the technical problem of a current protective film on light reflecting and glaring, thus enhancing an optical property of the product; meanwhile, the film, without increasing a film thickness, realizes certain haze, thus enhancing vision comfort and the optical property of the product.

The invention discloses a baffle device for preventing light reflection in PIV (particle imagevelocimetry) experiments, and belongs to the technical field of macro PIV experiments.Thebaffle device isused for preventinglight reflection in the PIV experiments. The device comprises a base part, a bracket part and a shooting baffle part, wherein brackets are connected with a base, the distance between the two brackets is adjusted by a sliding groove, and positions of the brackets are fastened by bolts; besides, the brackets are of a hollow sleeve structure and can be adjusted in height at any time; the shooting baffle part is fixed on the brackets by fixing clamps, theshape and position of a shooting hole can be adjusted according to the shooting plane. The device can achieve PIV shooting indifferent positions and in different shapes, avoids the influence of light reflection on experimental results, protects safety of a camera, ensures smooth development of the PIV experiments, and savestime and cost.

The invention provides a high-precision contact type auxiliary test jig and a work method thereof. The test jig comprises a mechanism outer frame unit, a test unit, a pressing unit and an imaging unit. The high-precision contact type test mechanism is reasonable in structure, and can be used for electrical testing, including resistance testing, capacitive testing, short-circuit testing, passage testing and the like, of circuit boards for various contact type tests. The detection precision is high, and the accuracy is good. The imaging unit adopts a structure mode of back lighting, the reflection problem caused by front light supplementing is avoided, the test precision is greatly improved, and the production efficiency is improved. The jig is reasonable in working method and easy to obtain, the direct contact alignment test is carried out, a probe contact test is not needed, testing is convenient, results are accurate and stable, and a detected product cannot be damaged.

A clock ceiling lamp comprises a lamp base, a lampshade, a light emitting body and a power transformation device electrically connected with the light emitting body. A lampshade cabin is formed between the lampshade and the lamp base. The light emitting body is arranged on the lower side of the lamp base. The lamp base is an annular plate. An installing base with an inner cavity communicating with the lampshade cabin is arranged on the upper side of the lamp base. A clock movement is arranged at the middle portion of the upper side of the installing base. The movement is provided with a hollow shaft and a solid shaft, and the lower ends of the two shafts penetrate out of the lampshade, and the lower end of the hollow shaft and the lower end of the solid shaft are connected with an hour hand and a minute hand. The power transformation device and an electricity storage device are arranged on the inner upper side of the installing base and located on the two sides of the movement. Clock scales are arranged on the lower side face of the lampshade, and the lampshade is made of photovoltaic glass. The electric input end of the electricity storage device is connected with the electric output end of the lampshade, and the electric output end of the electricity storage device is connected with the electric input end of the movement. The lampshade and the lamp base are provided with a plurality of second ventilation holes and a plurality of first ventilation holes, and a heat dissipation channel is formed by the ventilation holes and the lampshade cabin. The clock ceiling lamp has two purposes, the heat dissipation effect of the lamp is improved, and people can accurately and conveniently check time, and dismounting, mounting and maintaining are simple.

The invention discloses an intelligent collection method of machine room equipment display panel data, which comprises the following steps: S1, a robot acquires images of a plurality of display panelsas a training data set; s2, inputting the training data set into an improved master-rcnn algorithm, and training to obtain a text detection model; s3, the robot collects an image of the display panelin real time and inputs the image into the text detection model obtained through training in the step S2, all texts are automatically marked, so that detection boxes are obtained, and position coordinates and size information of all the detection boxes in the image in the display panel are output; s4, extracting a Roi image in the detection frame, performing image preprocessing on the Roi image,and reserving the extracted digital skeleton image as a training sample set; s5, training an svm classifier according to the training sample set, and performing classification recognition on a singlenumber through the svm classifier; and S6, splicing the numbers into a character string, and outputting the character string to a client for display. Data is automatically collected, the labor cost isreduced, and the operation and maintenance efficiency of the data center is improved.

The invention discloses a light-free Z-shaped stitch for embroidery and an embroidery method. The stitch comprises a first pin, a second pin and a third pin, wherein the first pin, the second pin and the third pin are arranged in a Z shape on the front surface of embroidery cloth; the included angle of the first pin and the second pin in the Z-shaped pins is 20-30 degrees; the included angle of the third pin and the second pin is 35-45 degrees; the length ratio of the second pin to the first pin is (0.5 to 1.2) to (0.8 to 1.5); and the length ratio of the third pin to the second pin is 1 to 2. In the manner, by the light-free Z-shaped stitch for embroidery and the embroidery method, the problems of light reflection of an animal embroidery pattern on the embroidery cloth and a large embroidery thread gap are mainly solved; and the animal embroidery pattern is relatively vivid on the embroidery cloth.

The invention discloses a vehicle-mounted display system and a vehicle, which comprises a display screen system and a deflection device used for driving the display screen system to deflect left and right, and the deflection device is arranged on the back side of the display screen system and connected with the display screen system; the deflection device comprises a shell, a rotating shaft, a first PCB used for receiving a control instruction and a driving mechanism used for driving the rotating shaft to deflect left and right, the driving mechanism and the first PCB are both arranged in the shell, and the rotating shaft is vertically assembled on the shell, connected with the display screen system and used for driving the display screen system to deflect left and right. The vehicle-mounted display system can be conveniently used by a main driver and a co-driver at the same time, and the problems that a display screen reflects light and dazzles under the special light condition can be solved.

The invention discloses a control method for glare elimination and visual optimization of an automobile electronic mirror, which relates to the technical field of automobile electronic mirrors. The control method is characterized by comprising a lens calibration part and an algorithm control part. The lens calibration part comprises the step of acquiring a calibration curve S1, a calibration curveS2, a calibration curve S3 and a calibration curve S4. The algorithm control part comprises a plurality of control and calculation steps. According to the invention, the problem of dazzling of the electronic mirror when the glare is strong is effectively solved by reducing the reflectivity; the screen brightness is insufficient by coordinately controlling the simultaneous reduction of the reflectivity and the transmissivity; meanwhile, when the ambient light is dark, the purpose of being suitable for human eyes is achieved by adjusting the backlight brightness; and when the perspective rate of the LCD screen lens is insufficient, the reduction of the compensation light transmittance is achieved by improving the backlight brightness, the screen backlight brightness is effectively adjustedto a range suitable for a driver to watch, and adverse effects on the driving safety of the driver are effectively avoided.

The invention discloses an image processing method, system and device, a storage medium and a blackboard device. The method comprises the following steps of: threshold segmentation processing of pixelpoints is carried out on the first blackboard image; and performing threshold segmentation processing of at least one image block on the first blackboard image, then judging that the number of timesthat pixel points of the first blackboard image are divided into first type pixel points is within a first threshold range, taking the pixel points as target pixel points, and extracting a target image from the first blackboard image by utilizing the target pixel points. The blackboard device comprises a blackboard, a camera used for shooting the blackboard and a processor used for loading a program to execute the image processing method. By using the image processing scheme provided by the embodiment of the invention, the problem of image reflection can be effectively solved, and the accuracyof extracting the target image from the blackboard image is greatly improved. The image processing method, system and device, the storage medium and the blackboard device can be widely applied to thefield of image processing.