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Through-the-Wall Radar Imaging Based on Deep Learning

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (28 July 2022) | Viewed by 1739

Special Issue Editor

Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Education, Southeast University, Nanjing 210096, China
Interests: array signal processing; Bayesian learning; underwater acoustic signal processing; radar signal processing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the past few years, through-the-wall radar imaging (TWRI) systems have attracted notable interest for the identification of targets in indoor environments; these systems have wide applications in military and public security fields, such as search and rescue missions and indoor monitoring. Through-the-wall radar imaging (TWRI) processing and understanding have taken advantage of artificial intelligence breakthroughs, particularly deep learning. The aim of this Special Issue is to increase these exchanges and enable experts from other areas to understand the specifies of TWRI problems, and to also provide a platform for researchers to handle significant challenges and present their innovative research results when applying deep learning to TWRI. Topics for this Special Issue on deep learning for TWRI processing include, but are not limited to, the following:

  • Forward and inverse electromagnetic scattering models;
  • Clutter rejection and multipath exploitation data processing techniques;
  • Compressive sensing for through-wall radar imaging;
  • Focusing algorithms for TWRI radars;
  • Indoor object detection and classification;
  • Indoor monitoring;
  • Building layout imaging and feature extraction;
  • Supervised, semisupervised, and unsupervised learning.

Dr. Qisong Wu
Guest Editor

Manuscript Submission Information

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Keywords

  • through-the-wall radar imaging
  • indoor monitoring
  • deep learning
  • neural networks

Published Papers (1 paper)

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Research

14 pages, 797 KiB  
Article
High-Resolution Through-the-Wall Radar Imaging with Exploitation of Target Structure
by Chendong Xu and Qisong Wu
Appl. Sci. 2022, 12(22), 11684; https://doi.org/10.3390/app122211684 - 17 Nov 2022
Cited by 2 | Viewed by 1122
Abstract
It is quite challenging for through-the-wall radar imaging (TWRI) to achieve high-resolution ghost-free imaging with limited measurements in an indoor multipath scenario. In this paper, a novel high-resolution TWRI algorithm with the exploitation of the target clustered structure in a hierarchical Bayesian framework [...] Read more.
It is quite challenging for through-the-wall radar imaging (TWRI) to achieve high-resolution ghost-free imaging with limited measurements in an indoor multipath scenario. In this paper, a novel high-resolution TWRI algorithm with the exploitation of the target clustered structure in a hierarchical Bayesian framework is proposed. More specifically, an extended spike-and-slab clustered prior is imposed to statistically encourage the cluster formations in both downrange and crossrange domains of the target region, and a generative model of the proposed approach is provided. Then, a Markov Chain Monte Carol (MCMC) sampler is used to implement the posterior inference. Compared to other state-of-the-art algorithms, the proposed nonparametric Bayesian algorithm can preserve underlying target clustered properties and effectively suppress these isolated spurious scatterers without any prior information on targets themselves, such as sizes, shapes, and numbers. Full article
(This article belongs to the Special Issue Through-the-Wall Radar Imaging Based on Deep Learning)
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