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19 lines
369 B
19 lines
369 B
import sys
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import cv2
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import numpy as np
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import matplotlib.pyplot as plt
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def bgr2gray(img_path):
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img = cv2.imread(img_path, 1) # 读取图片
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gray_image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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cv2.imwrite('./output/Gray.jpg', gray_image)
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'''
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输入：彩色图片的地址
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输出：灰度图片
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'''
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if __name__ == '__main__':
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bgr2gray(sys.argv[1])
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