这篇教程OpenCV-Python写得很实用，希望能帮到您。
import cv2 as cvimport numpy as npimport matplotlib.pyplot as plt# 设置兼容中文plt.rcParams['font.family'] = ['sans-serif']plt.rcParams['font.sans-serif'] = ['SimHei'] D:/Anaconda/AZWZ/lib/site-packages/numpy/_distributor_init.py:30: UserWarning: loaded more than 1 DLL from .libs:D:/Anaconda/AZWZ/lib/site-packages/numpy/.libs/libopenblas.NOIJJG62EMASZI6NYURL6JBKM4EVBGM7.gfortran-win_amd64.dllD:/Anaconda/AZWZ/lib/site-packages/numpy/.libs/libopenblas.WCDJNK7YVMPZQ2ME2ZZHJJRJ3JIKNDB7.gfortran-win_amd64.dll warnings.warn("loaded more than 1 DLL from .libs:/n%s" %cv.__version__'4.5.1'rain = cv.imread('img/rain.jpg')[:500,:500,:]view = cv.imread('img/view.jpg')print(rain.shape)print(view.shape)(500, 500, 3)(500, 500, 3)plt.figure()plt.subplot(1,2,1)m1 = plt.imshow(rain[:,:,::-1])plt.title('rain.jpg')plt.subplot(1,2,2)m2 = plt.imshow(view[:,:,::-1])plt.title('view.jpg')Text(0.5, 1.0, 'view.jpg') 
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