Snippet

Snippet

try:

    print "Initial Image ..."

    time = datetime.datetime.now()
    filename = "image_"
    subprocess.call(
        "raspistill -t 1000 -ex night -awb auto -w 720 -h 480 -o %s" % filename + '1.jpg',
        shell=True)
    prev = filename + '1.jpg'
    i = 1
    summ = smasumm = 0.0
    period = n = 10
    values = deque([0.0] * period)
    while True:
        time = datetime.datetime.now()
        filename = "image_" + str(i) + ".jpg"
        subprocess.call(
            "raspistill -t 1000 -ex night -awb auto -w 720 -h 480 -o %s" % filename,
            shell=True)
        #print time


        i += 1
        curr = filename
        #thread.start_new_thread(image_entropy, (prev, curr,i, ))
        sma = image_entropy(prev, curr, smasumm, values)
        values.append(sma)
        summ += sma - values.popleft()
        smasumm = summ / n
        prev = curr
        print(datetime.datetime.now() - time)