Conventional vs. informationally optimized imaging
Electro-optical design: The human eye is informationally optimized
Information rate of image-gathering devices
Spatial frequency responses of image gathering and restoration
Information rate and visual quality
Information rate and robustness of performance
Information rate vs. data rate: The information-entropy plot
Visual communication with retinex coding for reflectance (color) constancy
For automatic color image enhancement, see Retinex image processing 