scharr_v
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skimage.filters.scharr_v(image, mask=None)
[source] -
Find the vertical edges of an image using the Scharr 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 Scharr edge map.
Notes
We use the following kernel:
3 0 -3 10 0 -10 3 0 -3
References
[R196] D. Kroon, 2009, Short Paper University Twente, Numerical Optimization of Kernel Based Image Derivatives.
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