1) no_auto_bright will do not do any auto-brigten, so for 10-bit images (for example) you'll get 0...1023 data range whilt 16-bit data range is 0..64k. Most likely you need some data scaling
2) gamm[0]=gamm[1] = 1.0 is NOT 'gamma corrected' image. It is gamma=1.0 with slope (linear part) 1.0
1) no_auto_bright will do not do any auto-brigten, so for 10-bit images (for example) you'll get 0...1023 data range whilt 16-bit data range is 0..64k. Most likely you need some data scaling
2) gamm[0]=gamm[1] = 1.0 is NOT 'gamma corrected' image. It is gamma=1.0 with slope (linear part) 1.0