A Method for Computing Spectral Reflectance

dc.creator	Yuille, A.
dc.date	2004-10-01T20:18:07Z
dc.date	2004-10-01T20:18:07Z
dc.date	1984-12-01
dc.date.accessioned	2013-10-09T02:40:32Z
dc.date.available	2013-10-09T02:40:32Z
dc.date.issued	2013-10-09
dc.identifier	AIM-752
dc.identifier	http://hdl.handle.net/1721.1/5647
dc.identifier.uri	http://koha.mediu.edu.my:8181/xmlui/handle/1721
dc.description	Psychophysical experiments show that the perceived colour of an object is relatively independent of the spectrum of the incident illumination and depends only on the surface reflectance. We demonstrate a possible solution to this undetermined problem by expanding the illumination and surface reflectance in terms of a finite number of basis functions. This yields a number of nonlinear equations for each colour patch. We show that given a sufficient number of surface patches with the same illumination it is possible to solve these equations up to an overall scaling factor. Generalizations to the spatial dependent situation are discussed. We define a method for detecting material changes and illustrate a way of detecting the colour of a material at its boundaries and propagating it inwards.
dc.format	12 p.
dc.format	1894226 bytes
dc.format	1461014 bytes
dc.format	application/postscript
dc.format	application/pdf
dc.language	en_US
dc.relation	AIM-752
dc.subject	color
dc.subject	material edges
dc.subject	basis functions
dc.subject	mondrians
dc.title	A Method for Computing Spectral Reflectance

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