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Subject: Re: Superior Technology: Foveon X3



JPS@no.komm wrote:
> 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.

Quite right!

--
John McWilliams

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