Hi Adam

On Thu, Mar 26, 2015 at 4:31 PM, Adam Hughes <hughesadam87@gmail.com> wrote:

ax1.imshow(lena*(1,0,0))

ax2.imshow(lena*(255,0,0))

The multiplication turns your image's dtype into uint64, which causes the scaling problems.

I prefer with float images, always ensuring that they are in [0, 1] and then specifying vmin=0 and vmax=1 to matplotlib.

Regards

Stéfan

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