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  1. Proceedings of the 22nd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware (GH '07)
  2. Tight frame normal map compression
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Stochastic rasterization using time-continuous triangles
Tight frame normal map compression
A hardware redundancy and recovery mechanism for reliable scientific computation on graphics processors
A hardware-aware debugger for the OpenGL shading language
Practical logarithmic rasterization for low-error shadow maps
Exact and error-bounded approximate color buffer compression and decompression
A real-time FPGA-based architecture for a Reinhard-like tone mapping operator
Programmable shaders for deformation rendering
Accelerating real-time shading with reverse reprojection caching
ETC2: texture compression using invalid combinations
A low-power handheld GPU using logarithmic arithmetic and triple DVFS power domains
Scan primitives for GPU computing

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Tight frame normal map compression

Content Provider ACM Digital Library
Author Munkberg, Jacob Akenine-Möller, Tomas Ström, Jacob Olsson, Ola
Abstract 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 box, and in addition, a special mode is introduced for handling slowly varying normals. We also discuss several error measures needed to understand the qualities of different algorithms. We believe the high quality of our technique makes it a potential candidate for inclusion in OpenGL ES.
Starting Page 37
Ending Page 40
Page Count 4
ISBN 9781595936257
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2007-08-04
Publisher Place Goslar
Access Restriction Subscribed
Content Type Text
Resource Type Article
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