mirror of
https://github.com/wassname/scikit-image.git
synced 2026-06-28 03:51:05 +08:00
Siva Prasad Varma
33 lines
652 B
Python
33 lines
652 B
Python
"""
|
|
=======
|
|
Entropy
|
|
=======
|
|
|
|
Image entropy is a quantity which is used to describe the amount of information
|
|
coded in an image.
|
|
|
|
"""
|
|
import matplotlib.pyplot as plt
|
|
|
|
from skimage import data
|
|
from skimage.filter.rank import entropy
|
|
from skimage.morphology import disk
|
|
from skimage.util import img_as_ubyte
|
|
|
|
|
|
image = img_as_ubyte(data.camera())
|
|
|
|
fig, (ax0, ax1) = plt.subplots(ncols=2, figsize=(10, 4))
|
|
|
|
img0 = ax0.imshow(image, cmap=plt.cm.gray)
|
|
ax0.set_title('Image')
|
|
ax0.axis('off')
|
|
fig.colorbar(img0, ax=ax0)
|
|
|
|
img1 = ax1.imshow(entropy(image, disk(5)), cmap=plt.cm.jet)
|
|
ax1.set_title('Entropy')
|
|
ax1.axis('off')
|
|
fig.colorbar(img1, ax=ax1)
|
|
|
|
plt.show()
|