pyorz的博客

OpenCV1. Basic image read、show、writeimport cv2import numpy as npimg = cv2.imread("lenna.jpg")cv2.imshow("image",img)k = cv2.waitKey(0)if k==27: cv2.destroyAllWindows()elif k==ord('s'): cv2.imwrite("lenna_write.jpg",img) cv2.destroyAllWindows()

import cv2src = cv2.imread("test.jpg")cv2.namedWindow("input", cv2.WINDOW_AUTOSIZE)cv2.imshow("input", src)# 灰度图gray = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)cv2.imwrite('gray.png', gray)cv2.imshow("gray", gray)# 克隆图像m1 = np.copy(src)# 赋值m2 =

安装opencvpypl官网下载：opencv_python-4.4.0.46-cp37-cp37m-win_amd64.whl安装pip install opencv_python-4.4.0.46-cp37-cp37m-win_amd64.whl验证import cv2# 不报错就是安装成功了