Using A-Buffer in Radiosity

Q. Wang; J. H. Tang; C. H. Lim; H. C. Teh; Z. Huang

Using A-Buffer in Radiosity

Q. Wang
, J. H. Tang
, C. H. Lim
, H. C. Teh
, Z. Huang

National University of Singapore

Research output: Contribution to conference › Paper › peer-review

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.

Original language	English
Pages	193-200
Number of pages	8
Publication status	Published - 2001
Externally published	Yes
Event	Computer Graphics International 2001 - Hong Kong, Japan Duration: 3 Jun 2001 → 6 Jul 2001

Conference

Conference	Computer Graphics International 2001
Country/Territory	Japan
City	Hong Kong
Period	3/06/01 → 6/07/01

Keywords

A-Buffer
Anti-aliasing
Radiosity
Shadow boundary

ASJC Scopus subject areas

Software
Computer Graphics and Computer-Aided Design

Cite this

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title = "Using A-Buffer in Radiosity",

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.",

keywords = "A-Buffer, Anti-aliasing, Radiosity, Shadow boundary",

author = "Q. Wang and Tang, \{J. H.\} and Lim, \{C. H.\} and Teh, \{H. C.\} and Z. Huang",

year = "2001",

language = "English",

pages = "193--200",

note = "Computer Graphics International 2001 ; Conference date: 03-06-2001 Through 06-07-2001",

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TY - CONF

T1 - Using A-Buffer in Radiosity

AU - Wang, Q.

AU - Tang, J. H.

AU - Lim, C. H.

AU - Teh, H. C.

AU - Huang, Z.

PY - 2001

Y1 - 2001

N2 - 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.

AB - 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.

KW - A-Buffer

KW - Anti-aliasing

KW - Radiosity

KW - Shadow boundary

UR - https://www.scopus.com/pages/publications/0034873883

M3 - Paper

AN - SCOPUS:0034873883

SP - 193

EP - 200

T2 - Computer Graphics International 2001

Y2 - 3 June 2001 through 6 July 2001

ER -

Using A-Buffer in Radiosity

Abstract

Conference

Keywords

ASJC Scopus subject areas

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Cite this