Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/43186
Title: Using A-Buffer in Radiosity
Authors: Wang, Q. 
Tang, J.H. 
Lim, C.H.
Teh, H.C. 
Huang, Z. 
Keywords: A-Buffer
Anti-aliasing
Radiosity
Shadow boundary
Issue Date: 2001
Source: Wang, Q.,Tang, J.H.,Lim, C.H.,Teh, H.C.,Huang, Z. (2001). Using A-Buffer in Radiosity. Proceedings of Computer Graphics International Conference, CGI : 193-200. ScholarBank@NUS Repository.
Abstract: Anti-aliasing in form factor computation and precise determination of shadow boundaries are important issues for Radiosity method. A-Buffer is a technique introduced by Carpenter for anti-aliasing in hidden surface removal. In this paper, we propose a method based on the A-Buffer to replace the Z-buffer in the computation of form factors using the Hemicube for anti-aliasing. The method directly computes shadow boundaries in contrast to the adaptive re-meshing approach. Though the processing of shadow boundaries is not fast, only one discontinuity meshing (no iteration) is required. We implement the method in an infrastructure building design system.
Source Title: Proceedings of Computer Graphics International Conference, CGI
URI: http://scholarbank.nus.edu.sg/handle/10635/43186
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