41results about How to "Improve captured image quality" patented technology

The invention provides a short-range photographic light source module for use in an image capture device and the image capture device provided with the same. The image capture device comprises an imaging lens having a light axis. The short-range photographic light source module is mounted in correspondence at the imaging lens to serve as a light source when the image capture device is capturing an image of a target object at a short range. The module further includes a sleeve tube having a rear end portion, a front end portion, an interior side connecting the front end portion to the rear end portion, a light shield portion, and a first illuminating unit and a second illuminating unit.

A method of character recognition is implemented by an electronic device to recognize, in an image representing an object comprising at least one raised character, called a basic image, at least one raised character of the basic image. The method includes: a phase of processing at least one image, the phase including at least one implementation of a Phong reflection module and delivering at least one identification image; and a phase of identifying characters as a function of the basic image and the at least one identification image.

A pan-tilt camera is arranged to include a camera head, a stationary unit, an intermediate member arranged between the camera head and the stationary unit, a first rotary joint rotatably connecting the camera head to the intermediate member, and a second rotary joint, rotatably connecting the intermediate member to the stationary unit. A communication path is provided between the camera head and the stationary unit, including an optical waveguide arranged between the camera head and the stationary unit. The optical waveguide has a first end positioned at the first rotary joint to receive light from the camera head through the first rotary joint. The other end of the waveguide is positioned at the second rotary joint and is arranged to send light to the stationary unit through the second rotary joint.

An imaging device mounted on a vehicle is provided. The imaging device includes an imaging element, a plurality of transparent members and a housing. The imaging element is configured to capture an object and output an image signal of the object. The plurality of transparent members includes at least one lens, and is arranged on a light transmission path of light that reaches the imaging element. The housing is configured to hold the imaging element and the plurality of transparent members. Moreover, the imaging device is provided with a moth-eye structure arranged on at least one surface among the plurality of transparent members.

A phase difference AF processing unit (19) connects detection signals of phase difference detection pixels (52A) in an AF area (53), connects detection signals of phase difference detection pixels (52B) in the AF area (53), and performs a correlation operation with respect to detection signal groups after connection to generate a defocus amount when it is determined that a subject image formed in the AF area (53) includes a high frequency component. The phase difference AF processing unit (19) performs a correlation operation with respect to detection signal groups of phase difference detection pixels (52A, 52B) in each pair line in the AF area (53) to generate the defocus amount when it is determined that the subject image formed in the AF area (53) does not include a high frequency component.

Systems and methods to generate a multi-mode image containing different modes such as color, grayscale, and black and white to minimize digital file size while retaining the desired modes for selected portions of the image.

The invention discloses an unmanned aerial vehicle panoramic image real-time monitoring structure, and belongs to the technical field of unmanned aerial vehicle real-time monitoring. The invention provides the unmanned aerial vehicle panoramic image real-time monitoring structure, and the structure comprises a damping seat and a panoramic camera device; the panoramic camera device is fixedly installed at the top of the damping seat, and the panoramic camera device can collect panoramic images around an unmanned aerial vehicle; the panoramic camera shooting device comprises a camera connectingpart, a first camera shooting device and five second camera shooting devices, wherein the images shot by every two adjacent second camera shooting devices are overlapped, and an image shot by each second camera shooting device is overlapped with an image shot by the first camera shooting device. The panoramic camera device is arranged at the top of the unmanned aerial vehicle through the damping seat, so the panoramic image real-time monitoring function of the unmanned aerial vehicle is realized, and the operation capability of the unmanned aerial vehicle is not influenced; moreover, the damping seat increases the photographing height of the panoramic photographing device, and improves the quality of images photographed by the camera.

The invention discloses a biological characteristic acquisition and identification system and identification method, a terminal device and a storage medium, the biological characteristic acquisition and identification system comprises an imaging subsystem and an acquisition and identification subsystem, the imaging subsystem comprises an imaging module and a detection module, and the imaging module comprises a display, an optical assembly and a main control unit. The detection module sends an acquisition trigger signal, and the main control unit responds to the acquisition trigger signal to control a backlight assembly of the display to emit illumination light in a preset mode; the image acquisition module comprises at least one image acquisition unit, an illumination unit and a control unit, the illumination unit and the display are arranged on the same side of the optical assembly, and the image acquisition unit is used for acquiring image information of a target object in an aerial target area in response to an acquisition trigger signal; and the image processing module is used for obtaining biological characteristic information or identifying the identity of the user according to the image information. The collection and recognition system is more convenient in operation mode, and can avoid the risk that a user touches equipment during operation.

The invention discloses an image collection device and tobacco laser code recognition equipment. The tobacco laser code recognition equipment comprises an equipment body and the image collection device. A cigarette carrying table is arranged at the upper part of the equipment body, and the image collection device and a display device are positioned on the cigarette carrying table. The image collection device comprises a first lifting mechanism, a second lifting mechanism, an image photographing module and a light source module, wherein the first lifting mechanism comprises a first carrying part which carries the light source module, the second lifting mechanism and the image photographing module; the first lifting mechanism drives the first carrying part to move up or down; the second lifting mechanism adjusts the image photographing module to move relative to the light source module; and the light source module is used for providing illumination when the image photographing module collects a specified image. The image collection device and the tobacco laser code recognition equipment provided by the invention have the advantages that the quality of the collected image is high, sothat the subsequent image recognition is facilitated, the operation is simple and the efficiency is high.

The application discloses a video processing method, device and storage device. The method is used in computer equipment, including: extracting a reference video frame from the video; counting the cumulative probability of each pixel value in the reference video frame; calculating the pixel value and The cumulative probability relationship is fitted to obtain a multi-order polynomial with the pixel value as an independent variable; the result of the multi-order polynomial for each pixel value is calculated in sequence, and the result is used as the target pixel point with the pixel value as the serial number pixel value, thereby obtaining a plurality of target pixel points; for each color component value of each pixel point to be processed corresponding to the video frame to be processed in the video, according to the target pixel value of the target pixel point whose serial number is equal to the color component value Make adjustments to the color component value. Using this method can solve the problem of video frame quality degradation caused by too strong or too weak light.

The invention, which relates to the field of image processing, discloses a method for converting a low-frequency ultrasonic image into a high-frequency ultrasonic image. The method comprises: a three-dimensional low-frequency ultrasonic image is obtained, wherein the three-dimensional low-frequency ultrasonic image includes c layers of two-dimensional images, n image blocks are selected at the same position of each layer of two-dimensional image, and the c and n are positive integers; the n image blocks include a first image block and (n-1) other image blocks, wherein the first image block andthe (n-1) other image blocks have the same sizes, the first image block is one part of an original two-dimensional image, and the (n-1) other image blocks are obtained by down sampling on original two-dimensional images in a different larger range using the first image block as the center; and the selected c*n image blocks are inputted into a trained c*n-channel neural network to output a high-frequency ultrasonic image. Therefore, the low-frequency ultrasonic image can be converted into the high-frequency ultrasonic image to obtain an image with reduced noises, large depth, and fast imagingspeed.