Microwave radar imaging of heterogeneous breast tissue integrating a priori information
- Conventional radar-based image reconstruction techniques fail when they are applied to heterogeneous breast tissue, since the underlying in-breast relative permittivity is unknown or assumed to be constant. This results in a systematic error during the process of image formation. A recent trend in microwave biomedical imaging is to extract the relative permittivity from the object under test to improve the image reconstruction quality and thereby to enhance the diagnostic assessment. In this paper, we present a novel radar-based methodology for microwave breast cancer detection in heterogeneous breast tissue integrating a 3D map of relative permittivity as a priori information. This leads to a novel image reconstruction formulation where the delay-and-sum focusing takes place in time rather than range domain. Results are shown for a heterogeneous dense (class-4) and a scattered fibroglandular (class-2) numerical breast phantom using Bristol's 31-element array configuration.
Verfasserangaben: | Jochen Moll, Thomas N. Kelly, Dallan Byrne, Mantalena Sarafianou, Viktor KrozerORCiDGND, Ian J. Craddock |
---|---|
URN: | urn:nbn:de:hebis:30:3-373687 |
DOI: | https://doi.org/10.1155/2014/943549 |
ISSN: | 1687-4196 |
ISSN: | 1687-4188 |
Pubmed-Id: | https://pubmed.ncbi.nlm.nih.gov/25435861 |
Titel des übergeordneten Werkes (Englisch): | International journal of biomedical imaging |
Verlag: | [S.l.] |
Verlagsort: | Hindawi Publishing Corporation |
Dokumentart: | Wissenschaftlicher Artikel |
Sprache: | Englisch |
Datum der Veröffentlichung (online): | 11.11.2014 |
Datum der Erstveröffentlichung: | 11.11.2014 |
Veröffentlichende Institution: | Universitätsbibliothek Johann Christian Senckenberg |
Datum der Freischaltung: | 25.04.2015 |
Jahrgang: | 2014 |
Ausgabe / Heft: | Article ID 943549 |
Seitenzahl: | 11 |
Bemerkung: | Copyright © 2014 Jochen Moll et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
HeBIS-PPN: | 369149815 |
Institute: | Physik / Physik |
DDC-Klassifikation: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
Sammlungen: | Universitätspublikationen |
Lizenz (Deutsch): | Creative Commons - Namensnennung 4.0 |