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Re: Color and RedCam

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Jack TunnicliffeRe: Color and RedCam
by on Apr 16, 2009 at 3:38:39 pm

I've never done this before. I'm going to respond to my own post as I just received an answer back from Graeme Nattress, the guy who wrote the code. I didn't actually think I'd hear back as quickly as I did so here's the answer. I knew there would be many of you interested in this information:

Hi Jack,

Well, I'm as qualified as anyone on how the RED / Color integration works.....

There are two modes of extraction of 2k from 4k used in Color. Both modes cut through Quicktime and access the R3D raw data direct.

2k Quick, is used for fast preview - it access the full 4k R3D data, but rapidly extracts 2k RGB from it. It's full RGB with equal resolution in all three channels. Only downside to this is you may, in some circumstances, see mild aliasing artifacts.

2k Nice is used for rendering (you can also render in 2K Quick by adjusting the render proxy settings) - Access the full 4K R3D and demosaics and downsamples to 2K in one go with a specially designed algorithm for absolutely superb sharpness and minimal aliasing. It's a very nice downsample from the full 4k and again, has full resolution in R, G, B.

In neither mode is their reduced colour resolution. No image components will come out soft.

As you know I wrote both the algorithms for getting 2k from 4k R3D, so I know exactly what I'm talking about.

Graeme



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