python+opencv实现摄像头的调用

apt install python-pip                //安装pip

pip --version                         //查看pip的版本信息

pip install opencv-python             //安装opencv-python

# -- coding:utf-8 --

import cv2
cap = cv2.VideoCapture(0)                                        # 打开摄像头

while True:
    ret, frame = cap.read()                                      # 读摄像头
    cv2.imshow("video", frame)
    if cv2.waitKey(1) & 0xFF == ord('q'):                        # 按q退出
        break

cap.release()
cv2.destroyAllWindows()                                          # 基本操作

原文地址：https://www.cnblogs.com/enumx/p/12343085.html