17 lines
337 B
Python
17 lines
337 B
Python
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import numpy as np
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import cv2
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import os
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from matplotlib import pyplot as plt
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# Load an color image in grayscale
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img = cv2.imread(os.path.join(os.getcwd(), "./res/bwg.png"), 0)
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hist = cv2.calcHist([img], [0], None, [256], [0,256])
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# show the plotting graph of an image
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plt.plot(hist)
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plt.show()
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cv2.waitKey(0)
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cv2.destroyAllWindows()
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