【摘要】 本文介绍了一个二维计算机视觉系统,着重介绍了视觉输入板VIB(Vision Input Board)。它能在20ms的时间內,完成输入一幅256×256的二值图象、产生行程码、计算视野內物体的面积和周长等工作。这与用一般图象输入板方法相比节省了以软件进行编码和求面积、周长的时间。 VIB上自制的图象内存及行程码内存能直接变为IBM PC/XT微型计算机内存的扩展。VIB还具有使PC/XT的CRF屏幕既作为图象输入监视器用,又作为计算机数据显示器用的切换功能。VIB的成本低,功能多,使用方便,很适用于一般工业产品的分类、检查等工作。更多还原

【Abstract】 This paper introduces a two dimensional computer vision system, laying stress on its vision input board (VIB) in detail. It allows an image input to the computer memory within 20ms with a resolution of 256×256 through the VIB. It is possible to code the input black-white image with run-length coding and compute the area and perimeter of the objects in the image within the input period. This method saves time since run-length coding and area and perimeter computing are usually done by software.The image memory and run-length memory in the VIB can be directly used as the extension of the PC/XT memory. Under the control of VIB, the color monitor of the computer can be used as an image monitor during input period, and also as a display device when the computer is processing the data. VIB is low cost, flexible and suitable for sorting and checking of the industrial parts.更多还原