You can use cam_xyz matrix. You can use cam_xyz matrix. it is 4x3 because bayer data contains 4 channels (in general). For cameras with two identical green channels this matrix is actually 3x3 (last row is zeroes) -- Alex Tutubalin @LibRaw LLC reply
You can use cam_xyz matrix. it is 4x3 because bayer data contains 4 channels (in general).
For cameras with two identical green channels this matrix is actually 3x3 (last row is zeroes)