mirror of
https://github.com/wassname/scikit-image.git
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Johannes Schönberger
34 lines
598 B
Python
34 lines
598 B
Python
"""
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=======
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Entropy
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=======
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Image entropy is a quantity which is used to describe the amount of information
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coded in an image.
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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from skimage import data
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from skimage.filter.rank import entropy
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from skimage.morphology import disk
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from skimage.util import img_as_ubyte
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image = img_as_ubyte(data.camera())
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plt.figure(figsize=(10, 4))
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plt.subplot(121)
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plt.imshow(image, cmap=plt.cm.gray)
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plt.title('Image')
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plt.colorbar()
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plt.subplot(122)
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plt.imshow(entropy(image, disk(5)), cmap=plt.cm.jet)
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plt.title('Entropy')
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plt.colorbar()
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plt.show()
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