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[filmscanners] Re: Density vs Dynamic range>AUSTIN (2a)



Austin writes:

> The ability to handle a pattern of B&W
> lines or gray has nothing to do with
> signal rates.  Scanners scan a STATIC image.
> Nothing is moving.

Are you sure?

In any case, a pattern is a rate, from the standpoint of information theory.
The rate is spatial, not temporal, but it is still there ... otherwise there
would be no signal.

> It can take three days to scan the image
> if it wants...

So it takes time to scan, but there is no rate?  Hmm.

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