一、前言数字图象处理是一门发展十分迅速的学科。随着计算机的发展,它的应用范围不断扩大,日益深入到科研、生产的各个领域。图象信息处理的一个显著特点是数据量十分庞大。以往,人们总是把数字图象处理与大、中型计算机的应用相联系。近几年来,微处理机技术有了迅速的发展,其功能与容量迅速扩大,价格则不断降低。用微计算机构成各种形式的图象处理系统已受到越来越多的重视。 I. Introduction Digital image processing is a rapidly developing subject. With the development of computer, its scope of application is expanding constantly and deepening to all fields of scientific research and production. One of the salient features of image information processing is the huge amount of data. In the past, digital image processing was always linked to the use of large and medium-sized computers. In recent years, microprocessor technology has developed rapidly, its function and capacity rapidly expanded, the price is declining. More and more attention has been paid to various forms of image processing systems using a microcomputer.