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pyqt5

在循环中加入代码：cv2.imshow('image',frame)cv2.waitKey(1)# 点击窗口X按钮关闭窗口，窗口名字要对应if cv2.getWindowProperty('image',cv2.WND_PROP_VISIBLE) < 1: break

1 获取轮廓OpenCV2获取轮廓主要是用 cv2.findContours()import cv2img = cv2.imread(‘wujiaoxing.png’)gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)ret,binary = cv2.threshold(gray, 127, 255, cv2.THRESH_BINARY)_,con...