74results about How to "Small pixels" patented technology

The invention provides a solid-state image pickup device and method for realizing a higher sensitivity and a higher S/N ratio especially in the low-luminance region while maintaining a wide dynamic range. Plural pixels are integrated in an array configuration on a semiconductor substrate with each pixel having photodiode PD, which receives light and generates and stores photoelectric charge, transfer transistor Tr1, which transfers such photoelectric charge from such photodiode, floating diffusion FD, which transfers such photoelectric charge through such transfer transistor, additive capacitive element Cs, which is set connected via the floating diffusion to the photodiode, capacitive coupling transistor Tr2, which combines or divides the capacitance of such floating diffusion and the capacitance of such additive capacitive element, and reset transistor Tr3, which is connected to such additive capacitive element or floating diffusion; and the capacitance of the floating diffusion is smaller than that of the photodiode.

The invention provides an unmanned vehicle vision recognition system based on dual cameras, which comprises a first image acquisition module, a second image acquisition module, a lane recognition module, a vehicle recognition module, a traffic sign recognition module, and a traffic signal lamp detection and recognition module. According to the unmanned vehicle vision recognition system based on dual cameras provided by the invention, the technical problems that a large amount of data needs to be processed due to a single camera in a vehicle vision processing system in the prior art, and the real-time performance is influenced can be solved.

A Laser-CRT is described in which the laser faceplate is at high potential and the cathode is above ground. The cathodes can be modulated in a dual-drive or push-pull mode in which each of the dual video amplifiers is required to swing only half of the total required voltage, thereby writing smaller pixels faster and achieving higher resolution. Another described embodiment provides a substantially constant laser output over time, and an approximately uniform output intensity over an area. A constant-output Laser-CRT can be used to illuminate a spatial light modulator (SLM) in a projection system, and since video modulation is not required in that embodiment, neither are costly electronics and merely a voltage bias need be applied to the electron gun (e.g., the K electrode) to turn on the electron beam.

The present invention relates to a flexible electro-optical apparatus such as a flexible high-resolution liquid crystal display wherein single-crystal silicon semiconductor is used in manufacturing driver circuits and pixel arrays, and a method for manufacturing the same. The flexible electro-optical apparatus according to the present invention comprises a flexible lower substrate portion including device layers where electronic devices are formed on a flexible single-crystal layer; a flexible upper substrate portion to be bonded to said lower substrate portion; and an electro-optical layer between said lower substrate portion and said upper substrate portion.

The invention discloses a method for detecting and adjusting the inversion of a certificate image, comprising the following steps: (1) acquiring a color certificate image by an image acquisition tool;(2) shrinking the certificate image according to a certain scale factor; (3) converting the RGB color space of the certificate image into HIS color space; (4) converting the HIS image into an binaryimage by utilizing the constraint condition of a human face skin color; (5) carrying out median filtering of the binary image to obtain a binary image only with a human face part; (6) cutting a humanface part image according to the human face part binary image; (7) obtaining a human face edge binary image by an RGB edge extraction method; and (8) utilizing horizontal projection statistics to detect the inversion of a certificate. The method for detecting and adjusting the inversion of the certificate image shrinks the image under the condition of keeping the human face outline information ofthe image constant so as to greatly reduce the pixel participating human face skin color positioning and outline extraction operation, thereby not only enhancing the arithmetic efficiency but also ensuring the high accuracy, robustness and reliability of arithmetic detection.

The invention discloses a human face recognition method based on a multi-camera model. The method comprises the steps of 1 first multi-camera information acquisition, 2 human face detection and training, 3 feature storage, 4 human face (structural data mode), 5 secondary multi-camera information acquisition, 6 database-related information acquisition and 7 double-layer heterogeneous depth neural network algorithm comparison. According to the invention, a secondary multi-camera information acquisition technology is used; a double-layer heterogeneous depth neural network algorithm comparison technology is used; the problem that an identity card photo stored in an identity card chip has a small pixel in a human face area, is blurred, is generally a photo of years before, and greatly differs from a photo collected in the field is solved; the problem that a human face has many shelters, such as beards, glasses, hats and the like, is solved; the problem that the environmental light intensity and the observation angle of the human face are changed is solved; the problem that the human face is difficultly recognized is solved; and the provided human face recognition method is economic, real-time and accurate.

A reading part, in a first reset period PR1, holds reset transistors in all pixels in a conductive state and executes a first conversion gain reset readout processing HSR, stores an AD conversion code with respect to a first readout reset, signal HCGVRST in a memory part, then, in a transfer period PT1, holds the transfer transistors in all pixels in a conductive state to transfer the accumulated charges in photodiodes PD1 to FD1 to thereby execute a global shutter operation accumulating overflowed charges in storage capacitors CS1. The reading part, when reading each row, executes a first conversion gain signal readout processing, a second conversion gain signal readout processing, and a second conversion gain reset readout processing in order. Due to this, it becomes possible to realize digital pixels provided with a global shutter function at a small pixel pitch.

The invention provides a method for repairing a defect of a mask pattern and relates to the technical field of semiconductors. According to the repairing method, the size of a defect mask pattern or anormal mask pattern is correspondingly reduced through reducing a pixel of the defect mask pattern or the normal mask pattern, a different area between the defect mask pattern and the normal mask pattern is amplified and the different area is a defect area, so that the position of the defect area can be easily identified and positioned. Therefore, according to the method provided by the invention, the defect repairing area can be automatically positioned through modifying parameters of a control menu, thereby successfully repairing the nanoscale microdefect.

A collimating lens and an automotive optical module are disclosed. The collimating lens is cone-shaped, the front end surface of the collimating lens is a light-emitting surface and the rear end of the collimating lens is a light-condensing end. The light-condensing end is protruded backward as a whole and has a recess in the center, the bottom surface of the recess is protruded backward, and theradially outermost surface of the light-condensing end is a side wall. The light-condensing end has a focal point located in a region behind the bottom surface of the recess and near the edge of the rear end of the light-condensing end. The surface, other than the light-emitting surface and the light-condensing end surface, is the side wall, and the side wall is a plane or a curved surface continuous in the forward and backward direction. The automotive optical module comprises one or more groups of collimating lens units. Each collimating lens unit comprises an LED light source and the collimating lens, wherein the LED light source and the collimating lens are corresponding to each other, and the light source is arranged at the focal point of the collimating lens. The collimating lens units are arranged in a matrix and in one row or more rows at intervals, and the side walls on the sides of the light sources at the intervals are connected with ribs. The two modules are cooperated together during use to form a continuous light type. The collimating lens and the automotive optical module have high light utilization efficiency and simple process of molds, and are suitable for matrixtype headlights.

The invention provides an image recognition and translation system architecture based on the mobile communication network. The image recognition and translation system architecture consists of an acquisition device, a user terminal, a mobile communication network, a control server, a specific service processing unit and a management client. By transferring the required huge operation from a handheld device terminal to a server through the data exchange conducted between the user terminal and a server by the mobile communication network, the invention solves the problem that the calculation capacity is limited in the handheld device of the user, integrates the requirements of the handheld device for the memory size and further achieves the effective utilization of resources; and the invention overcomes the defects that the handheld device is incapable of supporting the conventional image recognition system and breaks the limit that the conventional translation system is capable of translating a single word or phrase on a mobile phone. Therefore, the central translation platform constitutes an image recognition and translation platform based on the mobile communication network.

A driving thin-film transistor can include a substrate; a first active layer disposed on the substrate and including a first protruding portion; a second active layer overlapping with the first active layer and including a second protruding portion; a gate electrode disposed between the first active layer and the second active layer; a source electrode connected to the first protruding portion of the first active layer; and a drain electrode connected to the second protruding portion of the second active layer, in which the first protruding portion of the first active layer and the second protruding portion of the second active layer are located at different positions.

The invention discloses an implement system of a VLSI adopting the adaptive adjustment algorithm for an H.264 motion estimation search window. The implement system is characterized by comprising a motion vector pre-search module, a search size selection module and an adaptive search window implementation module. The motion vector pre-search module is used for predicting motion vector information of a current macro block of a current frame according to motion vector information of macro blocks corresponding to adjacent frames of a video sequence in order to obtain the optimum matching motion vector information of the current macro block. The search size selection module is used for selecting the size of a search window of the current macro block from sizes from alternative search windows. The adaptive search window implementation module is used for carrying out pixel matching search on the current macro block in the search window in order to obtain the motion vector information of the current macro block. According to the implement system, the size of the search window can be dynamically adjusted according to the motion vector information of the video sequence, the search frequency for pixels is reduced, the motion estimation computation burden is reduced, and compression time is shortened.

The invention discloses a method for measuring the radius of curvature of a coiling machine based on depth camera, comprising of: obtaining a front image of the coiling machine not performing coilingby a first depth camera; obtaining a front image of the coiling machine performing coiling by the first depth camera; performing difference between the two images to obtain the front image of the current coil; through the coordinate system conversion, obtaining the representation of the front image of the current coil in the world coordinate system; filtering out the points on the x=x0 plane in the world coordinate system; selecting any three points to obtain the center coordinates of the coil; and obtaining the radius of curvature of the coil according to the coordinates of the center of thecircle and the coordinates of any selected points. Therefore, it is no longer necessary to manually measure the radius of curvature of the coil, and the automatic intelligent detection of the radius of curvature of the coil is achieved, and the accuracy and detection efficiency of detecting the radius of curvature of the coil are improved. The invention also discloses a method for measuring the thickness of a coiling machine based on depth camera.

The semiconductor image sensor device comprises a semiconductor layer having a main surface and an opposite rear surface, and a charge carrier generating component at the main surface. The charge carrier generating component is arranged between a top reflecting layer and a bottom reflecting layer, which are arranged outside the semiconductor layer.

The invention discloses a novel projection display method which has high-frame rate, true color and high resolution. The novel projection display method takes advantage of binary-conversion feature of a high-frame rate and high resolution projection display system to lead the images of a plurality of projectors to be overlapped and carry out binary coding through light intensity and realize enlarging gray level on the basis of not lowering the frame rate of a single projector to achieve the true-color, high-frame rate and high-resolution projection display. The binary coding is the binary coding of light intensity of projector images, which not only can realize true color projection display but also can be extended to realize ultrahigh-frame rate and colorful projection display with higher chromatic number or gray level. The method of bit-combination colorized projection display provided by the invention can be used in DMD high-speed projection display with 8000Hz frame rate and gray binary system, the experiment testifies that an 8000Hz true-color and high-resolution projection display system can be formed as long as 8 projectors with the frame rate are utilized together.

Embodiments of the invention provide a video processing method and device. The method comprises the steps of obtaining a to-be-processed video image block contained in a target video; judging whetherthe video image block can be divided into an integer number of maximum coding blocks or not according to the size of the preset maximum coding block and the size of the video image block; if the videoimage block cannot be divided into an integer number of maximum coding blocks, judging whether the video image block can be divided into an integer number of minimum coding blocks or not according tothe size of a preset minimum coding block, wherein the size of the minimum coding block is smaller than the size of the maximum coding block; and if the video image block cannot be divided into an integer number of minimum coding blocks, supplementing edges of the video image block to obtain a target video image block. By adopting the scheme provided by the embodiment of the invention to processthe video, the code rate in the transmission process can be saved, the difficulty and complexity of realizing code stream splicing are reduced, and great convenience is provided for code stream splicing.

The embodiment of the invention discloses an image processing method and device, electronic equipment and a storage medium. The method comprises the steps of acquiring a current frame image; detectinga moving object in the current frame image to obtain a region of interest and a background region, the region of interest including the moving object; compressing the image data of the region of interest to obtain compressed first image data; and outputting the compressed first image data and background image data corresponding to the background area to a display device, so that the display equipment displays a current frame image.