Through-the-Wall Human Motion Indication Using Sparsity-Driven Change Detection

被引:87
作者
Ahmad, Fauzia [1 ]
Amin, Moeness G. [1 ]
机构
[1] Villanova Univ, Radar Imaging Lab, Ctr Adv Commun, Villanova, PA 19085 USA
来源
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2013年 / 51卷 / 02期
关键词
Change detection (CD); compressive sensing (CS); sparse reconstruction; through-the-wall radar; SIGNAL RECOVERY; RADAR; DOPPLER; TRACKING; STRATEGY; INDOOR;
D O I
10.1109/TGRS.2012.2203310
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
We consider sparsity-driven change detection (CD) for human motion indication in through-the-wall radar imaging and urban sensing applications. Stationary targets and clutter are removed via CD, which converts a populated scene into a sparse scene of a few human targets moving inside enclosed structures and behind walls. We establish appropriate CD models for various possible human motions, ranging from translational motions to sudden short movements of the limbs, head, and/or torso. These models permit scene reconstruction within the compressive sensing framework. Results based on laboratory experiments show that a sizable reduction in the data volume is achieved using the proposed approach without a degradation in system performance.
引用
收藏
页码:881 / 890
页数:10
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