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Isocube: exploiting the cubemap hardware.
IEEE Trans Vis Comput Graph. 2007 Jul-Aug; 13(4):720-31.IT

Abstract

This paper proposes a novel six-face spherical map, isocube, that fully utilizes the cubemap hardware built in most GPUs. Unlike the cubemap, the proposed isocube uniformly samples the unit sphere (uniformly distributed), and all samples span the same solid angle (equally important). Its mapping computation contains only a small overhead. By feeding the cubemap hardware with the six-face isocube map, the isocube can exploit all built-in texturing operators tailored for the cubemap and achieve a very high frame rate. In addition, we develop an anisotropic filtering that compensates aliasing artifacts due to texture magnification. This filtering technique extends the existing hardware anisotropic filtering and can be applied not only to the proposed isocube, but also to other texture mapping applications.

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Authors+Show Affiliations

Wan L
Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong. lwan@cse.cuhk.edu.hk
Wong TT
No affiliation info available
Leung CS
No affiliation info available

MeSH

AlgorithmsComputer GraphicsEquipment DesignImage EnhancementImage Interpretation, Computer-AssistedImaging, Three-DimensionalNumerical Analysis, Computer-AssistedSignal Processing, Computer-Assisted

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17495332

Citation

Wan, Liang, et al. "Isocube: Exploiting the Cubemap Hardware." IEEE Transactions On Visualization and Computer Graphics, vol. 13, no. 4, 2007, pp. 720-31.
Wan L, Wong TT, Leung CS. Isocube: exploiting the cubemap hardware. IEEE Trans Vis Comput Graph. 2007;13(4):720-31.
Wan, L., Wong, T. T., & Leung, C. S. (2007). Isocube: exploiting the cubemap hardware. IEEE Transactions On Visualization and Computer Graphics, 13(4), 720-31.
Wan L, Wong TT, Leung CS. Isocube: Exploiting the Cubemap Hardware. IEEE Trans Vis Comput Graph. 2007 Jul-Aug;13(4):720-31. PubMed PMID: 17495332.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Isocube: exploiting the cubemap hardware. AU - Wan,Liang, AU - Wong,Tien-Tsin, AU - Leung,Chi-Sing, PY - 2007/5/15/pubmed PY - 2007/7/19/medline PY - 2007/5/15/entrez SP - 720 EP - 31 JF - IEEE transactions on visualization and computer graphics JO - IEEE Trans Vis Comput Graph VL - 13 IS - 4 N2 - This paper proposes a novel six-face spherical map, isocube, that fully utilizes the cubemap hardware built in most GPUs. Unlike the cubemap, the proposed isocube uniformly samples the unit sphere (uniformly distributed), and all samples span the same solid angle (equally important). Its mapping computation contains only a small overhead. By feeding the cubemap hardware with the six-face isocube map, the isocube can exploit all built-in texturing operators tailored for the cubemap and achieve a very high frame rate. In addition, we develop an anisotropic filtering that compensates aliasing artifacts due to texture magnification. This filtering technique extends the existing hardware anisotropic filtering and can be applied not only to the proposed isocube, but also to other texture mapping applications. SN - 1077-2626 UR - https://www.unboundmedicine.com/medline/citation/17495332/Isocube:_exploiting_the_cubemap_hardware_ L2 - https://doi.ieeecomputersociety.org/10.1109/TVCG.2007.1020 DB - PRIME DP - Unbound Medicine ER -