Learning and using dlib library

dlib face library is a very commonly used libraries for data preprocessing stage.

dlib library's official website is:http://dlib.net/

The official website, we mainly see two parts, one is the python api, is another version of the Python examples.

To give you an example I used small, such as do people face critical point or attributes, you need to face partially extracted, it can be:

import cv2
import dlib

detector = dlib.get_frontal_face_detector()

img = cv2.imread('/home/dddzz/worksapce/datasets/lfw/Aaron_Guiel/Aaron_Guiel_0001.jpg')

dets = detector(img, 1)

for i, d in enumerate(dets):
        print("Detection {}: Left: {} Top: {} Right: {} Bottom: {}".format(
            i, d.left(), d.top(), d.right(), d.bottom()))

So you can get the coordinates of the face frame.

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