1.[人脸识别] python采集摄像头视频

目录

1.环境

2.代码

3.效果

1.环境

1.python: 3.6.6 [64bit]
 
2.python packages:
    1). opencv-python==3.4.1.15
    2). opencv-contrib-python==4.4.0.42
    
3.python包下载安装出错，可以尝试一下方式：
    pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host pypi.tuna.tsinghua.edu.cn <+python包>

2.代码

import cv2
 
cap = cv2.VideoCapture(0)
 
scaling_factor = 0.7
 
 
while True:
    ret, frame = cap.read()
 
    frame = cv2.resize(frame, dsize=None, fx=scaling_factor, fy=scaling_factor, interpolation=cv2.INTER_AREA)
 
    cv2.imshow("Face recognition", frame)
 
    c = cv2.waitKey(1)
    if c == 27:
        break
 
 
cap.release()
cv2.destroyAllWindows()

3.效果

参考：Python-opencv实现摄像头实时进行人脸识别(点击)