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DipSAR: Deep Image Prior for Sparse Sampled Near-Field SAR Millimeter-Wave Imaging

Rawin Assabumrungrat, Nakorn Kumchaiseemak, Jianping Wang, Dingyang Wang, Phoom Punpeng, Francesco Fioranelli*, Theerawit Wilaiprasitporn

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

We present a deep learning-based approach called DipSAR for reconstructing millimeter-wave synthetic aperture radar (SAR) images from sparse samples. The primary challenge lies in the requirement of a large training dataset for deep learning schemes. To overcome this issue, we employ the deep image prior (DIP) technique, which eliminates the need for a large dataset and instead utilizes only the sparse sample itself. Our proposed DipSAR model recovers missing samples from sparse data and reconstructs the SAR image using a conventional method. In this study, we utilize an existing SAR dataset and create fourteen different patterns to generate additional sparse samples by removing certain data points. We then evaluate the performance of DipSAR in comparison to the conventional method. The results show that DipSAR outperforms the conventional method in terms of the intersection over union (IoU) score.

Original languageEnglish
Title of host publicationProceedings of the 2023 IEEE SENSORS
Place of PublicationPiscataway
PublisherIEEE
Number of pages4
ISBN (Electronic)979-8-3503-0387-2
ISBN (Print)979-8-3503-0388-9
DOIs
Publication statusPublished - 2023
Event2023 IEEE SENSORS, SENSORS 2023 - Vienna, Austria
Duration: 29 Oct 20231 Nov 2023

Publication series

NameProceedings of IEEE Sensors
ISSN (Print)1930-0395
ISSN (Electronic)2168-9229

Conference

Conference2023 IEEE SENSORS, SENSORS 2023
Country/TerritoryAustria
CityVienna
Period29/10/231/11/23

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • deep image prior
  • millimeter-wave
  • near-field imaging
  • sparse data
  • synthetic aperture radar

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