F09SESS17 6s0 - Color Order System NCS Natural Color System...

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1 IE/PSY 577 Session 17 Color Vision & Perceptual Organization (Slides Previously Posted as Sessions 13 and 14) 2 IE 577 Session 17 Color Vision Determined primarily by wavelength of light Color mixing Can create any spectral hue from three primary colors Less saturated than spectral colors Red and green act in opposition, as do blue and yellow 3 Color Order System Munsell Color 4 Color Order System NCS Natural Color System® 5 The CIE Color Space 6 IE 577 Session 17 Color Vision Trichromatic theory Three photoreceptor types (RGB) Relative sensitivities of the photopigments code color Opponent process theory Red-green; blue-yellow colors linked At LGN and earlier, neurons show opponent color coding
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2 7 Normalised absorption spectra of human cone (S,M,L) and rod (R) cells Trichromatic Theory 8 Mapping of Cones into Opponent Cells 9 Visual Perception and Human- Computer Interaction Displays Color Vision Trichromatic Three-color electron guns Color should be used in a manner
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This note was uploaded on 11/04/2010 for the course IE / PHYS 577 taught by Professor Ng during the Fall '08 term at IUPUI.

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F09SESS17 6s0 - Color Order System NCS Natural Color System...

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