环境：mac 虚拟机centos7

安装：

1、opencv-python

pip install opencv-python

2、dlib

pip install dlib

注：依赖cmake、gcc、gcc-c++模块

yum install cmake

代码：

#coding=utf-8

import cv2

import dlib

path = "131.jpg"

img = cv2.imread(path)

gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

#人脸分类器

detector = dlib.get_frontal_face_detector()

# 获取人脸检测器

predictor = dlib.shape_predictor(

    "shape_predictor_68_face_landmarks.dat"

)

dets = detector(gray, 1)

for face in dets:

    shape = predictor(img, face)  # 寻找人脸的68个标定点

    # 遍历所有点，打印出其坐标，并圈出来

    for pt in shape.parts():

        pt_pos = (pt.x, pt.y)

        cv2.circle(img, pt_pos, 2, (0, 255, 0), 1)

    cv2.imshow("image", img)

cv2.waitKey(0)

cv2.destroyAllWindows()

结果：

参考文档：

http://www.cnblogs.com/vipstone/p/8964656.html