Standard methods for color correction involve the use of a diagonal-matrix transformation. Zaidi proposes the use of a two-parameter affine model; we show that this offers no improvement in terms of accuracy over the diagonal model, especially if a sharpening transformation is also used.
© 2000 Optical Society of America
(100.0100) Image processing : Image processing
(150.0150) Machine vision : Machine vision
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1720) Vision, color, and visual optics : Color vision
(330.4060) Vision, color, and visual optics : Vision modeling
Brian V. Funt and Benjamin C. Lewis, "Diagonal versus affine transformations for color correction," J. Opt. Soc. Am. A 17, 2108-2112 (2000)