Extract B&W data from Bayer sensor RAW?

Started Sep 27, 2010 | Discussions thread
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KVirtanen
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Extract B&W data from Bayer sensor RAW?
Sep 27, 2010

What means are there to extract the raw photosite data from a RAW file? I mean before the RAW converter's algorithm combines the RGB photosites and interpolates the image data. Could it be possible to use some software to exctract just the luminosity values from the RGB photosites and have a B&W (e.g. TIFF) image that's ever so slightly sharper than its color counterpart - or will the softening AA filter on the sensor make all this pointless?

I'm not looking for "improved IQ" or anything like that, I'm just curious.

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