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BibTeX entry
@Article{Castro:2000:EAT,
author = "Francesc Castro and L{\'a}szl{\'o} Neumann and Mateu
Sbert",
title = "Extended Ambient Term",
journal = j-J-GRAPHICS-TOOLS,
volume = "5",
number = "4",
pages = "1--7",
year = "2000",
CODEN = "JGTOFD",
ISSN = "1086-7651",
ISSN-L = "1086-7651",
bibdate = "Fri Jul 20 12:38:17 2001",
bibsource = "http://www.acm.org/jgt/issues.html;
http://www.math.utah.edu/pub/tex/bib/jgraphtools.bib",
URL = "http://www.acm.org/jgt/papers/AlonsoHolzschuch00/",
abstract = "The ambient term in a renderer is a constant color
added to all points yielding a crude global
approximation to indirect lighting. Because the ambient
term ignores geometric occlusion conditions, it is
computationally inexpensive. We present an extended
ambient term that provides better results than the
constant term, but is still inexpensive, because it
also does not compute occlusion conditions. It is based
on the idea of finding a six-sided axis-aligned
environment which is similar in color and area to the
real scene, and deriving an approximation to indirect
lighting by computing interreflections in the
simplified scene.",
acknowledgement = ack-nhfb,
journal-URL = "http://www.tandfonline.com/loi/ujgt20",
}
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