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Subject: Re: Camera Raw Post-Conversion Features



-->Except for these two cases do you and Jeff claim that all of the other ACR tools are simply lossless mapping of the demosaicized metafile.

ACR's sharpening and noise reduction are, like all the other ACR tools, simply lossless mapping of the raw pixels—some noise reduction and sharpening is done during the demosaicing but a good deal is done in RGB too—you'd have to ask Thomas for more detail than that.

Sharpening through masks is one reason for converting to 16-bit. Another is layering multiple renderings of the same raw to address wide dynamic ranges.

Mathias,

Noise Ninja!

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