example.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import cv2
from mtcnn.mtcnn import MTCNN

detector = MTCNN()

image = cv2.imread("ivan.jpg")
result = detector.detect_faces(image)

# Result is an array with all the bounding boxes detected. We know that for 'ivan.jpg' there is only one.
bounding_box = result[0]['box']
keypoints = result[0]['keypoints']

cv2.rectangle(image,
              (bounding_box[0], bounding_box[1]),
              (bounding_box[0]+bounding_box[2], bounding_box[1] + bounding_box[3]),
              (0,155,255),
              2)

cv2.circle(image,(keypoints['left_eye']), 2, (0,155,255), 2)
cv2.circle(image,(keypoints['right_eye']), 2, (0,155,255), 2)
cv2.circle(image,(keypoints['nose']), 2, (0,155,255), 2)
cv2.circle(image,(keypoints['mouth_left']), 2, (0,155,255), 2)
cv2.circle(image,(keypoints['mouth_right']), 2, (0,155,255), 2)

cv2.imwrite("ivan_drawn.jpg", image)

print(result)