Edge-preserving texture filtering for real-time rendering |
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Authors: | Yuan-Chung Lee Chein-Wei Jen |
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Affiliation: | (1) Department of Electronics Engineering, National Chiao Tung University, Hsinchu, Taiwan, ROC E-mail: {yzlee, cwjen}@twins.ee.nctu.edu.tw, CN |
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Abstract: | Texture filtering is essential in enhancing the visual quality of real-time rendering. Conventional schemes do not consider
the characteristics of texture content, thus the sharpness of edges in texture images cannot be retained. This paper proposes
a novel texture-filtering algorithm, which consists of edge-preserving interpolation and edge-preserving MIP-map prefiltering.
The memory bandwidth requirement is kept the same as in conventional schemes by dynamically adjusting the interpolation kernel.
Hardware implementation is also provided to show the real-time processing capability.
Published online: 28 January 2003 |
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Keywords: | : Filtering – Resampling – Texture mapping |
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