(蓝奏云链接附上:https://zyjblogs.lanzous.com/iFH4We2jdoh)
先上图(打码):
部分代码如下:
import cv2
def detect(img,cascade):
rects =cascade.detectMultiScale(img,scaleFactor=1.2,minNeighbors=3,flags=cv2.CASCADE_DO_CANNY_PRUNING)
if len(rects) ==0:
return []
rects[:,2:] += rects[:,:2]
return rects
capture = cv2.VideoCapture(0)
while(True):
ret, frame = capture.read()
# frame = cv2.imread("img/face.jpg")
face_cascade = cv2.CascadeClassifier("haarcascade_frontalface_default.xml")
# 所有人脸#获取
faces = detect(frame, face_cascade)
for (x, y, w, h) in faces:
cv2.rectangle(frame, (x, y), (w, h), (255, 255, 255), 2)
cv2.imshow("faces", frame)
if cv2.waitKey(1) == ord('q'):
break