Statistics of cone responses to natural images: implications for visual coding

DL Ruderman, TW Cronin, CC Chiao - JOSA A, 1998 - opg.optica.org
We gathered hyperspectral images of natural, foliage-dominated scenes and converted
them to human cone quantal catches to characterize the second-order redundancy present …

Color and luminance information in natural scenes

CA Párraga, G Brelstaff, T Troscianko, IR Moorehead - JOSA A, 1998 - opg.optica.org
The spatial filtering applied by the human visual system appears to be low pass for
chromatic stimuli and band pass for luminance stimuli. Here we explore whether this …