sobel-h

sobel_h

skimage.filters.sobel_h(image, mask=None) [source]

Find the horizontal edges of an image using the Sobel transform.

Parameters:

image : 2-D array

Image to process.

mask : 2-D array, optional

An optional mask to limit the application to a certain area. Note that pixels surrounding masked regions are also masked to prevent masked regions from affecting the result.

Returns:

output : 2-D array

The Sobel edge map.

Notes

We use the following kernel:

 1   2   1
 0   0   0
-1  -2  -1
doc_scikit_image
2017-01-12 17:23:34
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