输出结果
设计思路
实现代码
import cv2
import dlib
import numpy
import sys
PREDICTOR_PATH = "F:\File_Python\Resources\shape_predictor_68_face_landmarks.dat"
detector = dlib.get_frontal_face_detector()
predictor = dlib.shape_predictor(PREDICTOR_PATH)
class NoFaces(Exception):
pass
im = cv2.imread("F:\File_Python\Resources\Allstart.jpg")
rects = detector(im,1)
if len(rects) >= 1:
print("{} faces detected".format(len(rects)))
if len(rects) == 0:
raise NoFaces
for i in range(len(rects)):
landmarks = numpy.matrix([[p.x,p.y] for p in predictor(im,rects[i]).parts()])
im = im.copy()
for idx,point in enumerate(landmarks):
pos = (point[0,0],point[0,1])
#cv2.putText(im,str(idx),pos,
#fontFace=cv2.FONT_HERSHEY_SCRIPT_SIMPLEX,
#fontScale=0.4,
#color=(0,0,255))
cv2.circle(im,pos,0.5,color=(0,255,0))
cv2.namedWindow("im",2)
cv2.imshow("im",im)
cv2.waitKey(0)