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Simple and efficient normal encoding with error bounds

 
: Schinko, Christoph; Ullrich, Torsten; Fellner, Dieter W.

:

Grimstead, Ian (Ed.) ; European Association for Computer Graphics -EUROGRAPHICS-; European Association for Computer Graphics -EUROGRAPHICS-, UK Chapter:
Theory and Practice of Computer Graphics 2011 : Eurographics UK Chapter Proceedings, Warwick, United Kingdom, 6 - 8 September 2011
Aire-la-Ville: Eurographics Association, 2011
ISBN: 978-3-905673-83-8
S.63-65
Conference on Theory and Practice of Computer Graphics (TPCG) <9, 2011, Warwick>
Englisch
Konferenzbeitrag
Fraunhofer IGD ()
Fraunhofer Austria ()
compression; encoding; optimization; Forschungsgruppe Semantic Models, Immersive Systems (SMIS)

Abstract
Normal maps and bump maps are commonly used techniques to make 3D scenes more realistic. Consequently, the efficient storage of normal vectors is an important task in computer graphics. This work presents a fast, lossy compression/decompression algorithm for arbitrary resolutions. The complete source code is listed in the appendix and is ready to use.

: http://publica.fraunhofer.de/dokumente/N-203510.html