On Thu, 17 Apr 2025, Andrea paz wrote:

> (note that with sdr image, the homogeneous white becomes homogeneous gray)

It is the question of white point and black point, on input and on output of
the brightness/contrast/gamma correction. Where to cut off input, and then
where to pad lost data on output.

_______________________________________________________________________________

Georgy Salnikov
NMR Group
Novosibirsk Institute of Organic Chemistry
Lavrentjeva, 9, 630090 Novosibirsk, Russia
Phone   +7-383-3307864
Email   [email protected]
_______________________________________________________________________________

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