The television camera also looks at a scene as a series of dots; each dot of light is translated by the camera tube into an electronic signal. 电子感生导电视像管电视摄像机也是把景象看成一系列的点,每一个光点都被摄像管转换成一个电子信号。
Each dot of light is translated by the camera tube into all electronic signal. 每一个光点都是由摄像管转换成电子信号。
The fingerprint image is taken by a CCD camera, and the digitalized image signal is stored, and then processed by a computer. 该方法用CCD摄像机摄取指纹图像,图像信号经数字化后存入微机并对其进行各种处理。
A camera signal a tourist. 身背一部相机是观光客的标志。
Designing of CCD Observation Camera Video Signal Processing Circuits CCD观测相机视频处理电路的设计
Image Quality of Space Line CCD Camera with Imaging Methods of Fine Signal Sampling 线阵CCD相机细分采样成像的像质研究
A CCD camera is taken as the optical signal detector of PAT system, and an image acquisition and processing system based on IEEE 1394 bus and DSP is designed, which receives image data of CCD. 采用CCD摄像机作为整个系统的光信号探测器,并利用基于IEEE1394总线的图像采集处理系统来接收CCD传出的图像数据。
Parallel analog channels for oversampling scientific CCD camera signal 科学级CCD并联过采样低噪声模拟信号通道
The paper describes the work principles and construction of the linear CCD camera image signal processing using dual RAM, a micro computer and high A/ D. The equipment has a very good interface circuit. 阐述了利用双口RAM、微机、高速A/D的线阵CCD摄像机图像信号数据处理系统的工作原理与结构组成.经实验表明,这一装置是利用线阵CCD的理想接口电路。
This paper presents a method for using address mapping to convert column sean signal which is gained by infrared camera into television scan signal. Then the resulted signal is synthesized into a composite video sig-nal and displayed on the television screen. 介绍了一种利用地址映射的方法,将红外线列扫描摄像仪得到的列扫描信号转变成电视机的扫描方式,转换后的信号再经过全电视信号合成使图像显示在电视机的屏幕上。
Characteristics of the laser using transversal discharge are given and the technique of beam diagnostics based on the use of CCD camera and video signal digitization is described. Output pulse shape, jitter and amplitude fluctuation have been measured by means of PIN diode. 给出了使用横向发射激光器的特性,叙述了以CCD摄像机为基础的光束诊断技术及视频信号数字化,绘出了使用位置指示二极管测量的输出脉冲波形、跳动及振幅起伏。
The video signal which inputs from the pickup camera and the tonic signal which inputs from the microphone become to the digital signal which pass to the capture, A/ D transforms, and last transmitted into DSP. 从摄像机输入的视频信号和从麦克风输入的音频信号经采集、A/D转换为数字信号后送入DSP。
The development status of machine vision's key techniques have been explained in detail, such as illuminating source, optical lens, camera, image acquirement, signal processing, executive framework, and so on. 本文介绍了机器视觉的关键技术,如光源照明、光学镜头、摄像机、图像采集、信号处理、执行机构等的发展状况。
The Electronic Police System can control the camera based the signal collected, and transfer the information to remote monitor server. 从而构建了电子警察系统的整个软件部分。使电子警察系统能够根据采集到的信号控制数码相机对违章信息进行拍摄,并把违章信息传输到远端的监控服务中心。
The system takes image from CCD camera, then samples the video signal, at last uses ADSP to do the image procession and pattern recognition and outputs the result from 486 comput-er. 该系统采用面阵CCD摄象,经Bt812数字化器进行视频信号采集,运用ADSP完成实时图象处理与识别,最后由工控486微机输出测量结果。
Trigger Signal Source composed of semiconductor laser, fan-shaped screens and retroreflector, can provide slit high-speed photography and digital high-speed camera with startup signal and can be in pairs utilized to measure the velocity of moving bodies. 触发信号源采用半导体激光器,扇形光幕和原向反射器构成,可为高速摄影系统提供启动信号,成对使用可进行运动物体速度的测量。
Theory and methods for advancing MTF of a line CCD camera with fine signal sampling 提高线阵CCD相机MTF的细分采样理论与方法
The structure feature of CCTV system and the principle of PC bus interface board, camera terminal control board, image signal exchange board is introduced. The control function of the Chinese character operation menu is explained in detail. 介绍了闭路电视系统的组成特点以及PC总线接口板、摄像机终端控制板和图像信号转接板的原理并详细说明了中文式操作菜单的控制功能。
The sampling controlling card in ITS, this paper presents, meets the demand of adjusting the parameters of camera lens and sampling the traffic signal. 本文介绍的智能交通系统采集控制卡可以满足智能交通系统中摄像机镜头参数的调节、交通信号灯的采集等功能;
It was found that the variable frequency scanning technology can effectively clean inter-line flicker and picture flicker, but can not change the resolution of camera term and the part of signal source by the analysis. 通过分析计算得出,应用倍(变)频扫描技术能有效消除行间闪烁和图像大面积闪烁,但不可能改变摄像端的分解力或信号源的内容。
A Design of the TV Camera Preamplifier With High Signal to Noise RatioS/ N 高信噪比的电视摄象预放器的设计
In this paper, a theoretical analysis of the scan-converting technology, the correspondent pattern of the striped filter of the single tube camera for this panoramic TV system and signal spectrum are given. This system is feasible. 对这种彩色全景电视系统的扫描变换技术及与之相应的单管摄像机的滤色器的结构和信号频谱作了理论分析,结论是可行的。
It is a trend in the world now that use state maintain method to maintain jet plane's engine by taking advantage of UV sensor, UV CCD camera and advanced signal processing methods. 通过先进的紫外探测器和紫外CCD摄像机,以及先进的信号处理方法,采用状态维修方式来维护飞机是当前的大趋势。
Design and realization of Camera Synchronous Control Device. Through the research of the camera exposure signal, design Camera Synchronous Control Device to realize the five cameras synchronous control. 相机同步控制装置的设计与实现,通过对相机曝光信号的研究,设计相机同步控制装置实现对五台数码相机的同步控制。
Image acquisition is completed by digital camera. Modify the hardware of digital camera to make it accept control pulse signal and work with the single-chip. 图像采集采用数码相机完成,对数码相机进行硬件改装,使之接受脉冲控制,配合单片机工作。
We still do some improve work to the system: make the system can accept the analog signal provided by the camera and the digital signal provide by the FPGA at the same time. We also add FPGA to the system for the extension in the future. 本文还对系统的改进做了部分工作:使融合系统可以同时接受模拟视频信号和数字视频信号,为以后的功能扩展提供方便。
The system uses high-speed CCD camera with digital signal output as image acquisition system, which contains CCD chip, A/ D converter and data storage module. 本系统由高速CCD相机进行图像采集,它把CCD芯片、A/D转换以及数据存储模块集成到一起,可以直接输出数字信号。
Finally, the camera video signal processing part involved in digital video technologies such as color space, digital sampling, and video compression also has a serious study. 2. 最后对摄像机视频信号处理部分所涉及的数字视频技术中的诸如颜色空间、数字采样、视频压缩等方面进行了认真的研究。
In terms of Camera interface, with excellent anti-interference ability and the transmission bandwidth, Camera Link camera interface using multiple pairs of differential signal transmitted in parallel. 相机接口方面,Cameralink相机接口采用多对差分信号并行传输,具有极好的抗干扰能力和传输带宽。