[Image-SIG] quick pixelwise euclidean difference

Christopher Barker Chris.Barker at noaa.gov
Mon Dec 7 19:45:35 CET 2009

Lauri Love (nsh) wrote:
> Let me know if there is any faster solution short of coding in some 
> distance functions to the C modules

You might do better with numpy and/or scipy.ndimage.

You can convert a PIL RGB image to a numpy array very easily. I think 
it's as simple as:

import numpy as np

arr = np.asarray(pil_image)

Then you have a WxHx3 array of uint8 values you can do all sorts of math on.


Christopher Barker, Ph.D.

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