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Subject: Re: Superior Technology: Foveon X3



In message <1145983044.352604.106320@y43g2000cwc.googlegroups.com>,
"Xiaoding" wrote:

>Don't
>know if it will need anti-aliasing, etc, but at least it does not guess
>about the missing color, and then fill it in with crayon, as the Bayer
>does. :)

You have a very strange understanding of what a digital image is. A
digital image is a discreet-point representation of a continuous analog
focal plane. As such, the analog original is always undersampled,
regardless of whether the system uses a bayer CFA, a foveon, or some
imaginary sensor that that stores the wavelength of every photon that
strikes each pixel. A 12 MP bayer sensor doesn't "fill in with a
crayon" any more than any 3MP sensor of the same size does, regardless
of the type. What it boils down to is resolution.
--

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John P Sheehy
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