OpenCV+Dlib进行实时脸部检测

2018-02-27 11:36:44来源:oschina作者:IOTService人点击

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#coding:utf-8
'''
脸部检测
'''
import sys
import dlib
from skimage import io
import cv2
# 加载并初始化检测器
# 模型下载地址http://dlib.net/files/mmod_human_face_detector.dat.bz2
cnn_face_detector = dlib.cnn_face_detection_model_v1('temp/dlib/mmod_human_face_detector.dat')
camera = cv2.VideoCapture(0)
if not camera.isOpened():
print("cannot open camear")
exit(0)
while True:
ret,frame = camera.read()if not ret:
continue
frame_new = cv2.cvtColor(frame,cv2.COLOR_BGR2RGB)
# 检测脸部
dets = cnn_face_detector(frame_new, 1)
print("Number of faces detected: {}".format(len(dets)))
# 查找脸部位置
for i, face in enumerate(dets):
print("Detection {}: Left: {} Top: {} Right: {} Bottom: {} Confidence: {}".format(
i, face.rect.left(), face.rect.top(), face.rect.right(), face.rect.bottom(), face.confidence))
# 标注脸部位置
cv2.rectangle(frame, (face.rect.left(), face.rect.top()), (face.rect.right(), face.rect.bottom()), (0, 255, 0), 3)
cv2.imshow("Camera",frame)
key = cv2.waitKey(1)
if key == 27:
break
cv2.destroyAllWindows()

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