On Sat, Aug 20, 2011 at 4:17 PM, David Warde-Farley
<warde...@iro.umontreal.ca> wrote:
>
> There are functions for this available in scikits.image:
>
> http://stefanv.github.com/scikits.image/api/scikits.image.color.html
>
> Although you may need to reshape it with reshape(arr, (width, height, 4)) or 
> something similar first.
>
> David

Thanks, I'll check it out.

-- 
Best regards,
He Shiming
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