LUT and multilevel Brownian Retinex colour correction
Machine Graphics & Vision International Journal - Special issue on latest results in colour image processing and applications
Pattern Recognition Letters - Special issue: Evolutionary computer vision and image understanding
Pixel distribution shifting color correction for digital color images
Applied Soft Computing
Trilateral filtering-based retinex for image enhancement
AICI'12 Proceedings of the 4th international conference on Artificial Intelligence and Computational Intelligence
A biologically motivated double-opponency approach to illumination invariance
ACCV'12 Proceedings of the 11th Asian conference on Computer Vision - Volume Part III
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A neural network approach to the problem of color constancy is presented. Various algorithms based on Land's retinex theory are discussed with respect to neurobiological parallels, computational efficiency, and suitability for VLSI implementation. The efficiency of one algorithm is improved by the application of resistive grids and is tested in computer simulations; the simulations make clear the strengths and weaknesses of the algorithm. A novel extension to the algorithm is developed to address its weaknesses. An electronic system that is based on the original algorithm and that operates at video rates was built using subthreshold analog CMOS VLSI resistive grids. The system displays color constancy abilities and qualitatively mimics aspects of human color perception