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2cameras.py

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import cv2

import numpy as np

from matplotlib import pyplot as plt

cap0=cv2.VideoCapture(0)

cap1=cv2.VideoCapture(1)

while cv2.waitKey(1)!=27:

t0=cap0.grab()

#print t0

ret0, frame0=cap0.read()

left=cv2.cvtColor(frame0,6)

r1=cap0.retrieve()

t1=cap1.grab()

#cv2.imshow('0',t1)

r2=cap1.retrieve()

ret1, frame1=cap1.read()

right=cv2.cvtColor(frame1,6)

stereo = cv2.StereoBM(cv2.STEREO_BM_BASIC_PRESET,ndisparities=16, SADWindowSize=15)

disparity = stereo.compute(left,right)

#print t1

#print frame0

#ret1, frame1=cap1.read()

#print frame1

cv2.imshow('0',frame0)

#ret1, frame1=cap1.read()

cv2.imshow('1',frame1)

#cv2.imshow('2',disparity)

#plt.imshow(disparity,'gray')

#plt.show()

#cv2.waitKey(50)

cap0.release()

cap1.release()

cv2.destroyAllWindows()