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2019 | OriginalPaper | Buchkapitel

Sparse Decomposition Algorithm Based on Joint Sparse Model

verfasst von : Qiyun Xuan, Si Wang, Yulong Gao, Junhui Cheng

Erschienen in: Artificial Intelligence for Communications and Networks

Verlag: Springer International Publishing

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Abstract

Orthogonal Matching Pursuit (OMP) algorithm is the most classical signal recovery algorithm in compressed sensing. It is also applicable to the Joint Sparse Model (JSM) of distributed compressive sensing. However, OMP algorithm suffers from high computational complexity and poor anti-noise ability without considering the correlation between signals. Therefore, by combining the characteristics of the JSM-1 and JSM-2 models, we propose the corresponding joint sparse decomposition algorithms, named JSM1-OMP and JSM2-OMP. The JSM2-OMP algorithm can be viewed as improvement of the JSM1-OMP algorithm. Furthermore, a better JSM-OMP algorithm is proposed by modifying the JSM2-OMP algorithm. The simulation experiments demonstrate the effectiveness of the proposed algorithms.

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Metadaten
Titel
Sparse Decomposition Algorithm Based on Joint Sparse Model
verfasst von
Qiyun Xuan
Si Wang
Yulong Gao
Junhui Cheng
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-22968-9_5