Signup.py 文件源码

def getFaceImg(img):
    face_cascade=cv2.CascadeClassifier("/home/jiangwei/??/faceRead/haarcascade_frontalface_default.xml")
    if img.ndim == 3:
            gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    else:
            gray = img  #if?????img???3????????????????gray?????3????2????????

    faces = face_cascade.detectMultiScale(gray, 1.2, 5)#1.3?5?????????????????????????
    result = []
    for (x,y,width,height) in faces:
            result.append((x,y,x+width,y+height))

    print result
    if(len(result)>0):
        for r in result:
            img2=cv2.rectangle(img, (r[0], r[1]), (r[2], r[3]), (0, 255, 0), 3)
            img3=img[r[1]:r[3], r[0]:r[2]]  # ?????????????


        return [img3,img2]

    return []

#??????