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Glued lattices are ...
Glued lattices are better quantizers than K 12
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- Agrell, Erik, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Pook-Kolb, Daniel (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Allen, Bruce (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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Chalmers tekniska högskola Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) (creator_code:org_t)
- 2024
- 2024
- English.
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In: IEEE Transactions on Information Theory. - 0018-9448 .- 1557-9654. ; In Press
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Abstract
Subject headings
Close
- 40 years ago, Conway and Sloane proposed using the highly symmetrical Coxeter–Todd lattice K 12 for quantization, and estimated its second moment. Since then, all published lists identify K 12 as the best 12-dimensional lattice quantizer. Surprisingly, K 12 is not optimal: we construct two new 12-dimensional lattices with lower normalized second moments. The new lattices are obtained by gluing together products of two 6-dimensional lattices.
Subject headings
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
Keyword
- Block codes
- vector quantization
- moment of inertia
- glue vectors
- Reflection
- normalized second moment
- Voronoi region
- quantization constant
- Generators
- Physics
- Lattices
- Coxeter–Todd lattice
- gluing theory
- mean square error
- product lattice
- Symmetric matrices
- Vectors
- lattice theory
- quantization error
Publication and Content Type
- art (subject category)
- ref (subject category)
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