#利用openCV裁脸
import cv2
def draw_rects(img, rects):
for x, y, w, h in rects:
cv2.rectangle(img, (x, y), (x+w, y+h), (255, 255, 00), 2)
cv2.circle(img, (x, y), 1, (0, 0, 255), 10)
print(img.shape)
imgs = img[y :y + h , x :x + w ]
print(imgs.shape)
cv2.imshow('img', imgs)
haar__cascade_path = "haarcascade_frontalface_default.xml"
face_cascade = cv2.CascadeClassifier(haar__cascade_path)
print(face_cascade)
img = cv2.imread("7.jpg")
faces = face_cascade.detectMultiScale(img, 1.5, 4)
print(faces)
draw_rects(img,faces)
cv2.waitKey(0)
cv2.destroyAllWindows()
