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Low-complexity indexing method for Z<SUP>n</SUP> and D<sub>n</sub> lattice quantizers

作     者:Moureaux, JM Loyer, P Antonini, M 

作者机构:Univ Nancy 1 CNRS CRAN UPRESA 7039 F-88100 St Die France Univ Nice CNRS I3S UPRESA 6070 F-06410 Biot France Univ Nice F-06560 Valbonne France 

出 版 物:《IEEE TRANSACTIONS ON COMMUNICATIONS》 (IEEE Trans Commun)

年 卷 期:1998年第46卷第12期

页      面:1602-1609页

核心收录:

学科分类:0810[工学-信息与通信工程] 0808[工学-电气工程] 08[工学] 

主  题:code vector indexing image coding lattice vector quantization 

摘      要:Code vector indexing is a key problem in lattice quantization applications. In order to solve this problem, we propose a method based on the idea of a coding table encompassing a set of points as small as possible. Our method works for both spherical and pyramidal code books. It provides a good tradeoff between computational complexity and storage requirements.

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