JPEG: YCrCb <-> RGB conversion precision

Question

I\'ve implemented rgb->ycrcb and ycrcb->rgb conversion using JPEG conversion formulae from
http://www.w3.org/Graphics/JPEG/jfif3.pdf
(the same at: http://en.wikipedia.o

Answer 1

Yes, supposedly JPEG XR defines a color conversion that is reversible. The code is open source if you want to investigate in depth how they're doing it. The method is loosely described on the Wiki-page I linked to.

Also this SO post might give you some insights.