本文主要是详述了链码的基本概念,与及基于链码对圆的识别的详细过程。-This paper mainly described the basic concept of chain code, and based on chain code detailed process of identification of a circl.

机器视觉作业的文档。包括键盘字符的检测，圆环的提取和拟合计算，颜色的识别鉴定。具体的代码我也有上传的，需要的可以自己搜索的。-Machine vision operation documents. Including keyboard characters of detection and circle fitting calculation, and the extraction of color identification of. Specific code I have uploaded

基于Opencv库的脸部识别，可识别出人脸并用圆画出，并可上升至识别眼睛区域。-Face recognition based on the Opencv library, you can identify the face and draw a circle, and can rise to identify the eye area.