opencv 图像人物识别

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OpenCV-1-图片处理

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import cv2 import numpy as np img = cv2.imread('Lenna.png') #load RGB image imgGS = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) #convert RGB to grayscale cv2.imwrite("LennaGS.png",imgGS) #save grayscale image ret,imgBW = cv2.threshold(imgGS,127,255,cv2.THRESH_BINARY) #binarization cv2.imwrite("LennaBW.png",imgBW) #save binary image cv2.imshow('Original image', img) #Display original image cv2.imshow('Grayscale image', imgGS) #Display grayscale image cv2.imshow('Binary image', imgBW) #Display binarized image cv2.waitKey(0) #exit with 'Q' or ESC cv2.destroyAllWindows()