Fei Gao
A Novel Multi-Input Bidirectional LSTM and HMM Based Approach for Target Recognition from Multi-Domain Radar Range Profiles
Gao, Fei; Huang, Teng; Wang, Jun; Sun, Jinping; Hussain, Amir; Zhou, Huiyu
Authors
Abstract
Radars, as active detection sensors, are known to play an important role in various intelligent devices. Target recognition based on high-resolution range profile (HRRP) is an important approach for radars to monitor interesting targets. Traditional recognition algorithms usually rely on a single feature, which makes it difficult to maintain the recognition performance. In this paper, 2-D sequence features from HRRP are extracted in various data domains such as time-frequency domain, time domain, and frequency domain. A novel target identification method is then proposed, by combining bidirectional Long Short-Term Memory (BLSTM) and a Hidden Markov Model (HMM), to learn these multi-domain sequence features. Specifically, we first extract multi-domain HRRP sequences. Next, a new multi-input BLSTM is proposed to learn these multi-domain HRRP sequences, which are then fed to a standard HMM classifier to learn multi-aspect features. Finally, the trained HMM is used to implement the recognition task. Extensive experiments are carried out on the publicly accessible, benchmark MSTAR database. Our proposed algorithm is shown to achieve an identification accuracy of over 91% with a lower false alarm rate and higher identification confidence, compared to several state-of-the-art techniques.
Journal Article Type | Article |
---|---|
Acceptance Date | May 8, 2019 |
Online Publication Date | May 13, 2019 |
Publication Date | May 13, 2019 |
Deposit Date | Jul 19, 2019 |
Publicly Available Date | Jul 19, 2019 |
Journal | Electronics |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
Issue | 5 |
DOI | https://doi.org/10.3390/electronics8050535 |
Keywords | automatic target recognition; human–machine interaction; recurrent neural network; deep learning |
Public URL | http://researchrepository.napier.ac.uk/Output/1810919 |
Contract Date | Jul 19, 2019 |
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A Novel Multi-Input Bidirectional LSTM and HMM Based Approach for Target Recognition from Multi-Domain Radar Range Profiles
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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