MIP-map Level Selection for Texture Mapping

Ewins, Jon P, Waller, Marcus D, White, Martin and Lister, Paul F (1998) MIP-map Level Selection for Texture Mapping. IEEE Transactions on Visualization and Computer Graphics, 4 (4). pp. 317-329. ISSN 10772626

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Abstract

Texture mapping is a fundamental feature of computer graphics image generation. In current PC-based acceleration hardware MIP-mapping with bilinear and trilinear filtering is a commonly used filtering technique for reducing spatial aliasing artifacts. The effectiveness of this technique in reducing image aliasing at the expense of blurring is dependent upon the MIP-map level selection and the associated calculation of screen-space to texture-space pixel scaling. This paper describes an investigation of practical methods for per-pixel and per-primitive level of detail calculation. This investigation was carried out as part of the design work for a screen-space rasterization ASIC. The implementations of several algorithms of comparable visual quality are discussed and a comparison is provided in terms of per-primitive and per-pixel computational costs.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Informatics
Depositing User: Martin White
Date Deposited: 06 Feb 2012 20:19
Last Modified: 27 Mar 2012 08:26
URI: http://sro.sussex.ac.uk/id/eprint/25474
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