在VC6下基于OpenCV的轮廓检测程序，其中图像的二值化操作基于Canny和自适应阈值。通过trackbar来实现不同情况下的轮廓检测。-in VC6 OpenCV Based on the outline of testing procedures, these two images based on the value of operating Canny and adaptive threshold. Through the trackbar to achieve under diffe