Picture to sound

import cv2 as cv

import numpy as np

import winsound

cam = cv.VideoCapture(0)

for j in range(100):

    s, im = cam.read() # capture an image

    for k in range(640):

        im[240,k] = [0,0,255]

        im[241,k] = [0,0,255]

        im[242,k] = [0,0,255]

        im[300,k] = [0,0,255]

        im[301,k] = [0,0,255]

        im[302,k] = [0,0,255]

    cv.imshow("Test Picture", im) # display the captured image

    cv.waitKey(100)

cv.destroyAllWindows()

cv.VideoCapture(0).release()

line = im[243:299,0:640,1]

cv.imshow("line", line) # display the scan window

cv.waitKey(3000)

ave = np.mean(line)

code = []

for j in range(64):

    block = line[:,j*10:j*10+10]

    value = np.mean(block)

    if value > ave:

        code.append(1)

        line[:,j*10:j*10+10] = 255

        winsound.Beep(800,300)

    else:

        code.append(0)

        line[:,j*10:j*10+10] = 0

        winsound.Beep(400,300)

    cv.imshow("line", line) # display the coded line

    cv.waitKey(50)

print code