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Proceedings of 2009 International Workshop on Information Security and Application (IWISA 2009)

Qingdao, China, November 21-22, 2009

Editors: Feng Gao and Xijun Zhu

AP Catalog Number: AP-PROC-CS-09CN004

ISBN: 978-952-5726-06-0

Page(s): 223-227

An Introduction of Shadow Mapping Rendering Algorithms in Realistic Computer Graphics

Nan Liu and Ming-Yong Pang

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Shadow is always being one of the most attractive subjects because of its important role in the field of computer realistic graphics. As one mainstream technology of the real-time soft shadow rendering methods, shadow mapping is extensively used in various graphical applications due to their generality and efficiency. In past years, there are many variations of the algorithms proposed to improve the original method in order to alleviate aliasing, enhance efficiency, etc. In this paper, we give a complete survey of shadow mapping algorithms. Basic idea, implementation, and various improvements of the algorithms are discussed in details.

Index Terms

realistic rendering, shadow rendering, shadow mapping, shadow filtering, depth texture

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