RE: 16-bit A/D conversion and "calculated" dynamic range of 4.8
RE: 16-bit A/D conversion and "calculated" dynamic range of 4.8
- Subject: RE: 16-bit A/D conversion and "calculated" dynamic range of 4.8
- From: "Bertho Boman" <email@hidden>
- Date: Sun, 23 Jul 2006 21:38:09 -0400
> From: Roger Breton Sent: Sunday, July 23, 2006 21:26
> Got it Marco: log10 (65536/1) = 4.81...
>
> I can see now why this so-called 'dynamic range' is totally useless
> information to help gauge the true ability of a scanner to discriminate
> among the darkest tones of an original.
Actually, it is a question of detecting the dark shades in the presence of
bright white areas in the same picture.
See:
http://www.vinland.com/Contrast.html
Bertho
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