import cv2
import numpy as np
from image import read_json

# size = np.array([[[500, 501, 502], [600, 601, 602], [100, 101, 102]],
#         [[500, 501, 502], [600, 601, 602], [100, 101, 102]],
#         [[500, 501, 502], [600, 601, 602], [100, 101, 102]]
#         ])
# print(size.shape)
# print(size[..., ::-1])

# img, _, _ = read_json("train/dataset-line/2/train_0.json")
# img.save('train_0.jpg')
# with open('train_463.jpg', 'wb') as f:
#         f.write(img)

# print(int(891.999999))
#
# _list = [[1, 2], [2, 3], [3, 4]]
# delete_list = [[1, 2]]
#
# _list.remove(delete_list[0])
# print(_list)
#
# size = (100, 1024)
# image = np.zeros(size[::-1], dtype='uint8')
# cv2.imshow("image", image)
# cv2.waitKey(0)

image = cv2.imread("8.png")
ret, binary = cv2.threshold(image, 180, 255, cv2.THRESH_BINARY)
print("阈值：", ret)
cv2.imshow("binary", binary)
cv2.waitKey(0)