pycamera.py

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#!/usr/bin/env python
# coding=utf-8
######################################################################################
#> File Name: pycamera.py
#> Author:Rocwang 
#> Mail: wangpeng@droid.ac.cn;
#> Github:https://github.com/yowlings
#> Created Time: 2018年07月05日 星期四 11时40分33秒
######################################################################################
# created by Huang Lu
# 27/08/2016 17:05:45 
# Department of EE, Tsinghua Univ.

import cv2
import numpy as np


cv2.namedWindow("capture")
cap = cv2.VideoCapture(2)
while(1):
  # get a frame
        ret, frame = cap.read()
        # show a frame
        # print len(frame[0])
        cv2.imshow("capture", frame)
        # cv2.imwrite("1b.jpg",frame)
        if cv2.waitKey(1) & 0xFF == ord('q'):
          break
cap.release()
cv2.destroyAllWindows()