Re: [Algorithms] RGB to XYZ conversion

[Jon W. <hp...@mi...>]

Sam Martin wrote:
> We recall from [1] that the direct YCoCg color space transform is defined by:
> [y,Co,Cg]' = [1/4, 1/2, 1/4].[r,g,b]'
>              [1/2, 0,   1/2]
>              [1/4, 1/2, 1/4]
>   

That can't be right, as it collapses RGB into equal values for y and Cg. 
You can't possibly reconstruct RGB from that.

sincerely,

jw