On 30-7-2017 13:22, Kenneth wrote:
> 
> Here's the effect of applying 'auto-levels' to the image, in Photoshop. It's
> considerably better... but contains only about 12 gray levels (as you can see in
> the 'levels' indicator.) That's very crude for a gray-scale image.
> 
> The very dark original image makes me wonder if YOU are seeing it differently,
> on your end(?)
> 

I am afraid Sven sees the image very differently, which makes me wonder 
what his screen display settings are. Probably not standard.

See also my correction of the image using IC, in p.b.i.

-- 
Thomas

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