Trellis-based search of the maximum a posteriori sequence using particle filtering

被引：0

作者：

Bertozzi, T ^{[1
]}

Le Ruyet, D ^{[1
]}

Rigal, G ^{[1
]}

Vu-Thien, H ^{[1
]}

机构：

[1] DIGINEXT, F-13857 Aix En Provence 3, France

来源：

2003 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL VI, PROCEEDINGS: SIGNAL PROCESSING THEORY AND METHODS | 2003年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

For a given computational complexity, the Viterbi algorithm applied on the discrete representation of the state space provided by a standard particle filtering, outperforms the particle filtering. However, the computational complexity of the Viterbi algorithm is still high. In this paper, we propose to use the M and T algorithms in order to reduce the computational complexity of the Viterbi algorithm and we show that these algorithms enable a reduction of the number of particles up to 20%, practically without loss of performance with respect to the Viterbi algorithm.

引用

页码：693 / 696

页数：4

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