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import argparse
import cv2
def canny(args):
img = cv2.imread(args.input)
img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
canny_img = cv2.Canny(img, args.thres1, args.thres2)
# canny_img = 255 - canny_img
cv2.imwrite(args.output, canny_img)
print("done!")
def setup_parser() -> argparse.ArgumentParser:
parser = argparse.ArgumentParser()
parser.add_argument("--input", type=str, default=None, help="input path")
parser.add_argument("--output", type=str, default=None, help="output path")
parser.add_argument("--thres1", type=int, default=32, help="thres1")
parser.add_argument("--thres2", type=int, default=224, help="thres2")
return parser
if __name__ == '__main__':
parser = setup_parser()
args = parser.parse_args()
canny(args)
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