[SciPy-User] ndimage.sobel multiple passes?
Sun Feb 26 09:38:56 CST 2012
you could try multiprocessing, if you have more than one core
You could speed it up 3 times at least.
2012/2/25 Me Myself <email@example.com>:
> In my code base, currently I need to compute sobel on a 3d dataset. I do
> this using:
> # ndimage.sobel
> dx = sobel(vdata, 0)
> dy = sobel(vdata, 1)
> dz = sobel(vdata, 2)
> any ideas how this can be done using one pass instead of doing this in 3
> passes. My dataset is large and it would be nice to speed this up.
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