# 実験課題3
# 3.3 2値化

import cv2

image_path = 'sample.jpg'
gray_img = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)

if gray_img is not None:
    threshold_value = 127
    max_value = 255
    ret, binary_img = cv2.threshold(gray_img, threshold_value, max_value, cv2.THRESH_BINARY)
    cv2.imwrite('3_3_binarize.jpg', binary_img)