3.3.9.4. Computing horizontal gradients with the Sobel filterΒΆ

This example illustrates the use of the horizontal Sobel filter, to compute horizontal gradients.

../../../_images/sphx_glr_plot_sobel_001.png
from skimage import data
from skimage import filters
import matplotlib.pyplot as plt
text = data.text()
hsobel_text = filters.sobel_h(text)
plt.figure(figsize=(12, 3))
plt.subplot(121)
plt.imshow(text, cmap='gray', interpolation='nearest')
plt.axis('off')
plt.subplot(122)
plt.imshow(hsobel_text, cmap='spectral', interpolation='nearest')
plt.axis('off')
plt.tight_layout()
plt.show()

Total running time of the script: ( 0 minutes 0.109 seconds)

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