{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:59:00Z","timestamp":1760241540790,"version":"build-2065373602"},"reference-count":38,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,5,12]],"date-time":"2018-05-12T00:00:00Z","timestamp":1526083200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Numerous prototypes of computational imaging systems have recently been presented in the microwave and millimeter-wave domains, enabling the simplification of associated active architectures through the use of radiating cavities and metasurfaces that can multiplex signals encoded in the physical layer. This paper presents a new reconstruction technique leveraging the sparsity of the signals in the time-domain and decomposition of the sensing matrix by support detection, the size of the computational inverse problem being reduced significantly without compromising the image quality.<\/jats:p>","DOI":"10.3390\/s18051536","type":"journal-article","created":{"date-parts":[[2018,5,14]],"date-time":"2018-05-14T02:57:20Z","timestamp":1526266640000},"page":"1536","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Sparsity-Driven Reconstruction Technique for Microwave\/Millimeter-Wave Computational Imaging"],"prefix":"10.3390","volume":"18","author":[{"given":"Thomas","family":"Fromenteze","sequence":"first","affiliation":[{"name":"XLIM UMR 7252, Universit\u00e9 de Limoges\/CNRS, 87060 Limoges, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cyril","family":"Decroze","sequence":"additional","affiliation":[{"name":"XLIM UMR 7252, Universit\u00e9 de Limoges\/CNRS, 87060 Limoges, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sana","family":"Abid","sequence":"additional","affiliation":[{"name":"XLIM UMR 7252, Universit\u00e9 de Limoges\/CNRS, 87060 Limoges, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Okan","family":"Yurduseven","sequence":"additional","affiliation":[{"name":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,5,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"812","DOI":"10.1109\/TBME.2002.800759","article-title":"Confocal microwave imaging for breast cancer detection: Localization of tumors in three dimensions","volume":"49","author":"Fear","year":"2002","journal-title":"IEEE Trans. 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