31results about How to "Adjust resolution" patented technology

The invention discloses an image sensor which comprises a plurality of pixel units, control units and readout circuits, wherein each pixel unit comprises a plurality of pixels; each pixel comprises a plurality of sub-pixels; the readout circuits are correspondingly connected with the pixels and used for reading out a combined output signal of the sub-pixels of the pixels according to control signals sent from the control units or reading out the output signals of the sub-pixels of the pixels in sequence respectively. The image sensor has the advantages of capability of being switched between split and combined modes for meeting different requirements, and wider application range.

A liquid crystal display (LCD) device. The liquid crystal display device comprises a data driver including a first data driving unit, which is connected to first through third data lines, and a second data driving unit, which is connected to fourth through sixth data lines, a display panel including a first pixel group, which has first through third pixel units that are connected to the first data driving unit via the first through third data lines, respectively, and a second pixel group, which has fourth through sixth pixel units that are connected to the second data driving unit via the fourth through sixth data lines, respectively; and a switching circuit unit including a first transistor, a second transistor, and a third transistor, which is connected between the third and sixth data lines.

The invention discloses a laser direct writing exposure device based on stimulated light emission loss. The laser direct writing exposure device is characterized by comprising an excitation light source, a de-excitation light source, a first space light modulator, a second space light modulator, a half wave plate group, a dichroscope, a phase position type wave zone plate, an amplitude type wave zone plate, a high numerical value aperture achromatic objective and a three-dimension scanning platform. The laser direct writing exposure device provided by the invention can realize the optical exposure of high resolution and long focus depth.

The invention provides a liquid crystal display panel repair method and repair system. The method includes the steps: firstly, providing a liquid crystal display panel with a broken circuit; secondly, forming graphene on the liquid crystal display panel by laser chemical vapor deposition to communicate the broken circuit. According to the liquid crystal display panel repair method and repair system, the graphene is formed at the broken circuit by laser chemical vapor deposition to repair the broken circuit, manufacture procedures are simple, repair effects are fine, common gases such as methane serve as carbon source gases, environmental protection is facilitated, the number of layers of the graphene can be controlled by controlling laser irradiation, the conductivity of the graphene is further controlled, and the repair effects are improved. Besides, the spot radius of laser can be adjusted, the resolution ratio of a graphene growth line can be controlled, a laser light path is adjusted, spots can be used for heating a broken circuit area according to a set path, and the needed graphene line or shape is deposited.

The invention discloses a method for establishing a fruit tree canopy feature map in an orchard. The method comprises: using an RGB-D camera for collecting color information and depth information of surrounding environment images in the moving process of a robot in real time, using a semantic segmentation network for segmenting fruit trees and other environment features, reserving information of the fruit trees in the depth images according to the segmented images, and therefore point cloud data of the fruit trees are generated; extracting characteristic angular points in the color image, calculating the motion of the camera of two adjacent frames of images, and fusing the motion with the IMU data so as to estimate the motion state of the camera; constructing an optimization problem for the multi-frame images and the camera pose estimation by adopting a factor graph, and optimizing the pose of the camera; and constructing an octree map of the fruit tree canopy according to the fruit tree point cloud data and the camera pose. Rich environmental information of an orchard is collected, the understanding of the robot to the orchard environment is improved, and the requirement of the robot for completing higher-level operation such as automatic navigation, variable spraying and fruit picking is met.

The invention discloses a flexible screen grouping management system and a method. The system comprises a global data manager and a flexible screen controller, wherein the global data manager comprises a sequence data manager and a real time data manager; the sequence data manager is used for receiving data which are pushed by a background to a client in real time and organizing and accumulating the data to form continuous sequence data, and the sequence data manager further has a function of index calculating; and the real time data manager is used for managing consistency of current transient data to guarantee that no difference exists in data among flexible screen components. The flexible screen controller is used for managing a flexible screen component group, controlling the grouping of the components, managing the location and information display of each of the components in a multi-screen and transmitting linkage signals. By means of the flexible screen grouping management system and the method, different market information components are supported to be placed and matched on any screen on a personal computer (PC) so as to maximize satisfaction of requirements of user defined functions, and users can perform block building type combination on PC desktops to meet own personalized disk reading needs.

The invention discloses an analog to digital converter and electronic equipment. The analog to digital converter comprises a voltage frequency converter and a frequency counter, wherein the voltage frequency converter is suitable for receiving an input voltage, and converting the input voltage into a pulse signal; and the frequency counter is used for counting the pulse signals of the voltage frequency converter to obtain a counting value within sampling time defined by a sampling signal. Through the technical scheme of the invention, the resolution of the analog to digital converter and the flexibility of the resolution are improved.

The invention relates to a preparation technology of compressed air and aims to provide a low energy consumption general multi-mode smart adsorption drying method for preparing compressed air. An adsorption drying system is targeted at parallel operation of a double adsorption barrel and a multi-adsorption barrel; air flow organization of hot air flows are performed from an upper part of a regeneration adsorption barrel downwards to realize regeneration of an adsorption agent; the method includes a heating and regenerating stage for waste heat of compressed air, a voltage discharging stage, fanning, deepening and heating stage and a circulating and cooling stage. The method disclosed by the invention has the advantages of (1) low energy consumption, fully utilizing compressed waste heat and environmental cooling capability; (2) multi-module design, realizing multi-layered dew point control; (3) multi-module regeneration, ensuring long-time work of a drying agent; (4) self-adjusting capability; and (5) digitalized efficient analysis. According to the method provided by the invention, optimal control of the drying agent monitored in real time based on the wet height of adsorption barrels is utilized, long-time and smooth operation of the whole adsorption technology is ensured, long-time and stable work of the drying agent is ensured, and the replacement cost is greatly reduced.

The invention discloses a method and device capable of achieving face recognition through intelligent and quick start and a mobile terminal. The method includes the steps of obtaining a path of a current picture, obtaining the current picture according to the path to generate a thumbnail of the picture, and transmitting the thumbnail into a face detection database for face detection. The mode that the path of the current picture is obtained and then the current picture is read is adopted, and the situation that when a user quickly slides pictures, obvious delay occurs the time each picture is detected is avoided; a background thread is created for picture decoding and face detection, and a quick face recognition starting function is achieved; the thumbnail of the current picture is generated, the resolution ratio of the current picture is adjusted, the speed of face recognition is increased, after a face is quickly positioned, the user is reminded of processing the picture and comfort of user experience is improved.

The invention discloses a large-visual-field far-ultraviolet spectrum imager. The imager comprises a Gregory telescope, a monochromator, an imaging optics unit and a detector. The monochromator separates an incident light beam collected by the telescope into a plurality of wavelength channels in a dispersion direction; each separated channel is converged by an independent imaging lens to form a full-visual-field image; and the images of different channels are finally formed in different regions of the same detector. According to the imager, a large visual field with the diameter of more than 20 minutes of arc can be realized and is superior to the spatial resolution of 30 seconds of arc and the medium and adjustable spectral resolution of 500-2,000; and the imager is suitable for scientific application with large visual field and medium spectral resolution requirements.

The invention discloses an interactive hybrid optical cascade matrix, which comprises a signal exchange module, an optical cascade module, a plurality of independent signal input modules and a plurality of independent signal output modules, wherein each signal input module comprises four mutually independent input interface conversion units, a first FPGA module and a Serdes sending unit; the firstFPGA module is provided with four first cache units, a packaging unit and four input video processing units; each signal output module comprises four mutually independent output interface conversionunits, a second FPGA module and a Serdes receiving unit, and the second FPGA module is provided with four second cache units, a video unpackaging unit and four output video processing units. A modularintegrated design is used, long-distance two-way transmission of multiple high-definition multimedia signals is achieved, the transmission distance is long, signal transmission is free of loss and time delay, and reliability is high.

The invention relates to a pixel arrangement structure and a display panel. The pixel arrangement structure comprises a repeating unit, and the repeating unit is quadrangular; the repeating unit comprises two first sub-pixels, two second sub-pixels, two third sub-pixels and a fourth sub-pixel; the two first sub-pixels, the two second sub-pixels and the two third sub-pixels are arranged around theperiphery of the fourth sub-pixel, the two first sub-pixels, the two second sub-pixels and the two third sub-pixels are distributed in an axial symmetry mode relative to the same symmetry axis, and the symmetry axis passes through the center point of the fourth sub-pixel; the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel have at least three light-emitting colors, and the light-emitting colors of the first sub-pixel, the second sub-pixel and the third sub-pixel are different. According to the pixel arrangement structure, the resolution of the display panelcan be improved on the basis of not increasing the preparation difficulty.

The invention discloses a singing detection method based on a multi-scale time-frequency graph parallel input convolutional neural network. Generally, in a song detection algorithm based on a convolutional neural network, a network input layer is a two-dimensional time-frequency graph matrix. The method comprises the following steps: firstly, according to the multi-scale characteristic of a music signal, generating a plurality of two-dimensional time-frequency graph matrixes with different scales by adjusting the window length of short-time Fourier transform; and then sending the plurality of time-frequency diagrams to a convolutional neural network in a parallel multi-channel mode, so that a neuron receptive field of the convolutional neural network can simultaneously observe multi-scale information of a music signal, thereby enhancing the time-frequency diagram feature extraction and resolution capability of neurons, and improving the overall performance of singing detection.

The invention discloses a preparation method of a quantum dot patterned film. The preparation method at least comprises the following steps: (1) obtaining a film forming solution S1; (2) obtaining a solution S2 for patterning; (3) obtaining a film prepared from the film forming solution S1 on a substrate; (4) transferring the solution S2 to the pixel sites of the film in the step (3) to obtain thequantum dot patterned film, wherein the solution S2 contains a patterned solute, the patterned solute comprising at least one of quantum dots and a perovskite quantum dot precursor. The method is easy and convenient to operate, low in cost and suitable for industrial production, large-area quantum dot patterning can be achieved, and the patterned film prepared through the method can effectively isolate water and oxygen, is resistant to chemical corrosion and has high stability.

The invention relates to the field of unmanned aerial vehicle image video transmission, in particular to an image video transmission method of an unmanned aerial vehicle. An unmanned aerial vehicle and a ground terminal are included, and the unmanned aerial vehicle and the ground terminal form an image transmission video system. The image transmission video system comprises an image transmission video acquisition module, an image transmission video coding module, a wireless transmission module A, a wireless transmission module B, an image transmission video decoding module, an image transmission video playing module, an image transmission video analysis module and an image transmission video storage module. The image transmission video acquisition module, the image transmission video coding module and the wireless transmission module A are all arranged on the unmanned aerial vehicle, and the wireless transmission module B, the image transmission video decoding module, the image transmission video playing module, the image transmission video analysis module and the image transmission video storage module are all arranged on the ground terminal. The invention aims to provide the image transmission video method of the unmanned aerial vehicle based on WiFi image transmission, which meets the user requirements, can dynamically adjust the resolution and edit images and videos, and is used for the unmanned aerial vehicle based on WiFi image transmission.

The present invention relates to a fiber stand (1) for optical detection of lengthwise movement, particularly a method and device for external fiber in thread, wherein the method involves emitting light in direction of a fiber stand (1), and determining brightness value of thread from the light reflected in the thread. The brightness value is continuously checked to deviation from luminance average value (Hmk). According to the invention, Ratio is formed from absolute deviation and predetermined fixed value (H0) that is specified for the fiber stand, and is utilized for evaluation of the deviation.

The invention discloses a method for identifying the category of an underground shallow heteroplasmon based on surface spectrum disturbance characteristics, which comprises the following steps: arranging a reference measuring line near a heteroplasmon suspicious region, performing two-dimensional Fourier transform on a test signal to obtain a frequency-wave number domain spectrum, and obtaining an average phase velocity through a spectrum ridge line; then, performing one-dimensional Fourier transform on a test signal of a test point to obtain an offset-frequency domain spectrum cloud picture, and converting the offset-frequency domain spectrum cloud picture into an offset-wavelength domain spectrum cloud picture as a reference spectrum cloud picture according to an average phase velocity; setting a test line in a suspicious area to obtain a test spectrum cloud picture, comparing the test spectrum cloud picture with a reference spectrum cloud picture, spectrum cloud picture characteristics disturb corresponding wavelengths and offsets to pre-estimate the burial depth and position of the heteroplasmon, and identifying the category of the heteroplasmon by relatively weakening or enhancing the spectrum intensity. According to the method, the offset-wavelength domain surface wave field spectrum cloud picture is obtained through a group of surface measuring point vibration response signals, and the perturbation characteristics of the spectrum picture are analyzed, so that the orientation and the burial depth of the heteroplasmon can be estimated, and the category of the heteroplasmon can be identified.

The invention discloses a large-visual-field far-ultraviolet spectrum imager. The imager comprises a Gregory telescope, a monochromator, an imaging optics unit and a detector. The monochromator separates an incident light beam collected by the telescope into a plurality of wavelength channels in a dispersion direction; each separated channel is converged by an independent imaging lens to form a full-visual-field image; and the images of different channels are finally formed in different regions of the same detector. According to the imager, a large visual field with the diameter of more than 20 minutes of arc can be realized and is superior to the spatial resolution of 30 seconds of arc and the medium and adjustable spectral resolution of 500-2,000; and the imager is suitable for scientific application with large visual field and medium spectral resolution requirements.

An analog-to-digital converter and electronic equipment, the analog-to-digital converter includes: a voltage-frequency converter, adapted to receive an input voltage, and convert the input voltage into a pulse signal; a frequency counter, within the sampling time defined by the sampling signal , counting the pulse signals of the voltage-to-frequency converter to obtain a count value. The technical scheme of the invention improves the resolution and resolution flexibility of the analog-to-digital converter.

The enclosure assembly comprises a stationary member including at least two substantially parallel sidewalls, the sidewalls, the sidewalls partially defining a cavity in which the fingerprint sensor is disposed. An access piece, configured to move relative to the stationary member, has a surface area larger than the surface area of the fingerprint sensor and further includes a conductive portion electrically coupled to ground. A movement apparatus is preferably mechanically coupled to the stationary member and the moveable access piece. The movement apparatus is configured to maintain the moveable access piece in a position covering the fingerprint sensor and yet to allow motion of the moveable access piece relative to the stationary member so as to expose the fingerprint sensor. According to another embodiment, a method for enrolling a composite image of an object using a fingerprint sensor is provided. According to an embodiment, the method comprises the steps of receiving a finger disposed over a fingerprint sensor in a first stationary position; capturing a first image of a first portion of the finger with the fingerprint sensor; causing the finger to be repositioned over the fingerprint sensor in a second stationary position; capturing a second image of a second portion of the finger with the fingerprint sensor; and constructing a representative image of the finger from the first and second images.

The invention discloses an SVG (scalable vector graphics) file center labeling method, a terminal and a computer readable storage medium, an SVG processing labeling system is developed, and a client (such as a Web use front end) is provided, so that corresponding SVG files only need to be submitted at the client, and corresponding configuration parameters are adjusted, so that the SVG files can be labeled at the same time. Therefore, required SVG center labeling and corresponding adaptive rectangle processing can be completed, and the processed SVG file can be downloaded or stored.

The invention discloses a device and method for measuring the relative spectral response of a wide-band imaging sensor, which can be used for spectral calibration of various wide-band imaging sensors, and solves the problem of measuring the spectral response of the imaging sensor in the prior art. Traditional spectral calibration light sources cannot meet the requirements of measuring the relative spectral response of different spectral resolutions and spectral ranges, or the spectral resolution and luminous flux are low. The device comprises a calibration light source, an optical filter, a homogenized cylindrical light guide tube, a diaphragm, a collimating mirror, a time modulation interferometer, an integrating sphere and a wide-band imaging sensor arranged in sequence along the optical path. At the same time, the invention also proposes a relative spectral response measurement method of a broadband imaging sensor, which uses a broadband calibration light source to generate time-domain interference signals, and has the technical advantages of high throughput and high spectral resolution.

A zoom camera having a lens barrel assembly with adjustable focus and resolution power of photographing lens, the zoom camera including a zoom lens barrel assembly including a plurality of barrels for performing a zooming and focusing operation while reciprocating in a direction of an optical axis, the zoom lens barrel assembly being fixed on a camera body, a rotational barrel coupled to one of the lens barrels of the zoom lens barrel assembly and rotatable and movable in the direction of the optical axis for adjusting the focus of the lens, and a lens frame containing a lens and rotatably coupled to the rotational barrel for adjusting the resolution power of the lens.

The invention discloses a method for identifying the category of shallow underground heterogeneous bodies based on surface wave spectrum disturbance characteristics, comprising: arranging a reference survey line near a suspicious area of ​​the heterogeneous body, performing two-dimensional Fourier transform on the test signal to obtain frequency-wave number domain spectrum, the average phase velocity is obtained from the spectral ridge; one-dimensional Fourier transform is performed on the test signal at the measuring point to obtain the offset-frequency domain spectral cloud map, and the offset-frequency domain spectral cloud map is converted from the average phase velocity to Offset-wavelength domain spectrogram, used as a reference spectrogram. Arrange a test line in the suspicious area to obtain a test spectral cloud map, compare it with the reference spectral cloud map, predict the buried depth and position of the heterogeneous body by the corresponding wavelength and offset distance of the spectral cloud map feature disturbance, and identify the heterogeneous body by the relative weakening or enhancement of the spectral intensity. body category. The invention obtains the surface wave field spectral cloud map of the offset distance-wavelength domain through the vibration response signal of a set of surface measuring points, and can predict the orientation and buried depth of the heterogeneous body and identify the heterogeneous body type by analyzing the disturbance characteristics of the spectral map.