安静会的博客

https://docs.opencv.org/3.0-beta/modules/imgproc/doc/drawing_functions.htmlcv2.line()， cv2.circle()， cv2.rectangle()，cv2.ellipse()， cv2.putText() line cv2.line(img, pt1, pt2, color[, thickness[, lineT

OpenCV中色彩空间的转换类型参考：https://docs.opencv.org/master/d7/d1b/group__imgproc__misc.html# -*- coding: utf-8 -*- import cv2 import numpy flags = [i for i in dir(cv2) if i.startswith('COLOR_')] print fla