随着电子技术、多媒体技术的不断发展，以CCD为采集数据源的图像采集技术也取得了长足的进步，各类图像采集设备层出不穷。近二十年来，CCD技术已经广泛应用于军用和民用各个领域，尤其是随着工业自动化程度的提高以及工业现场的需要，在检测和监控方面的应用也越来越普及-As the electronic technology, multimedia technology unceasing development, to collect data with CCD image sampling technology also has made good progress, all kinds of image acquisition equipment emerge in endlessly. In the past twenty years, CCD technology has been used widely in military and civilian all fields, especially with industrial automation degree of improvement and industrial site needs, in testing and monitoring applications are more widespread.