import cv2

def canny(image):
    gray = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
    blur = cv2.GaussianBlur(gray, (5,5), 0)
    canny = cv2.Canny(blur, 10, 50) ##### TO BE CONFIGURED
    return canny

imgName = 'low' #low, mid or high
image = cv2.imread(%s.jpg'%imgName)
canny_image = canny(image)
closing_image = cv2.morphologyEx(canny_image, cv2.MORPH_CLOSE, np.ones((4,4), np.uint8))

cv2.imshow('result',closing_image)
cv2.waitKey(0)