I've became aware of this when I was doing similar analysis recently;
that much of the apparent "scanner noise" was in fact film grain. So
now that I'm aware of this I factor it into my testing.
--Bill
At 6:55 PM -0400 22-10-01, Mike Duncan wrote:
>
>I have standard deviation data. The problem is it's hard to tell how much
>of the standard deviation is film grain and how much is scanner noise.
>Most of the IV ED deviation is film grain. The Stouffer target has large
>grain.
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