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本文介绍一种用作微型机视觉系统的二值图象输入输出接口板,它具有二值图象采样存贮、显示以及作为微机存贮扩展板等功能。电路设计采用二值化方法处理视频图象信号和对画面进行开窗控制,使存贮空间得到充分利用。电路结构简单合理,造价低廉,适用于标准视频信号采样和普通电视机显示,能方便地用作文字图表信息输入和物体形状检测监视等微型机视觉系统接口。
This article describes a binary image input and output interface board used as a microcomputer vision system, which has a binary image sampling storage, display and as a computer storage expansion board and other functions. The circuit design uses binarization method to process the video image signal and window control of the picture, so that the storage space is fully utilized. The circuit structure is simple and reasonable, low cost, suitable for standard video signal sampling and ordinary television display, can be easily used as text chart information input and object shape detection and monitoring and other micro-machine vision system interface.