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Exact and Error-bounded Approximate Color Buffer Compression and Decompression
(The Eurographics Association, 2007)
In this paper, we first present a survey of existing color buffer compression algorithms. After that, we introduce a new scheme based on an exactly reversible color transform, simple prediction, and Golomb-Rice encoding. ...
Tight Frame Normal Map Compression
(The Eurographics Association, 2007)
We present a new powerful and flexible fixed-rate normal map compression algorithm with higher quality than existing schemes on a test suite of normal maps. Our algorithm encodes a tight box with uniform normals inside the ...