- import cv2
- import numpy
- capture = cv2.VideoCapture(0)
- i=0
- last_frame = None
- while True:
- ret, new_frame = capture.read()
- if ret:
- cv2.imwrite('frame_%d.jpg' % i, new_frame)
- if last_frame:
- diff = new_frame - last_frame
- percent_motion = numpy.count_nonzero(diff) / float(new_frame.size)
- print 'percent motion seems to be %.2f' % (percent_motion)
- last_frame =
- i += 1
- else:
- print 'seems like we\'re at the end of the file'
- break