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- import cv2
- face_cascade=cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
- img =cv2.imread("news.jpg")
- #gray_img = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
- img=cv2.resize(img,(img.shape[1]//2,img.shape[0]//2))
- faces=face_cascade.detectMultiScale(img,scaleFactor=1.2,minNeighbors=5)#scaleFactor dokładnośc przeszukiwania obrazka
- print(type(faces))
- print(faces)
- for x,y,w,h in faces:
- img=cv2.rectangle(img,(x,y),(x+w,y+h),(0,255,0),3)#podaje wspolrzedne lewygorny wierzcholek prway dolny wierzcholek i kolor i grubosc lini
- cv2.imshow('Gray',img)
- cv2.waitKey(0)
- cv2.destroyAllWindows()
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