Quantitative images of large biological bodies in microwave tomography by using numerical and real data

A new inverse microwave imaging algorithm is presented which has the ability to obtain quantitative dielectric maps of large biological bodies. By using a priori information, obtained with a first order algorithm, the final image is obtained by solving the direct problem and an ill-conditioned syste...

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Veröffentlicht in:	Electronics letters 1996-01, Vol.32 (23), p.2138-2140
Hauptverfasser:	Mallorqui, J J, Joachimowicz, N, Broquetas, A, Bolomey, JCh
Format:	Artikel
Sprache:	eng
Schlagworte:	A priori information Anàlisi numèrica Biological bodies Biomedical imaging Computerised tomography Dielectric maps Engineering Sciences Enginyeria de la telecomunicació First order algorithm Ill-conditioned system Inverse microwave imaging algorithm Iterative methods Iterative procedure Mesurament Microones Microwave imaging Microwave measurements Microwave tomography Numerical analysis Quantitative images Radiació Radiation Radioactivitat Radioactivity Radiocomunicació i exploració electromagnètica Teledetecció Àrees temàtiques de la UPC
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Beschreibung
Zusammenfassung:	A new inverse microwave imaging algorithm is presented which has the ability to obtain quantitative dielectric maps of large biological bodies. By using a priori information, obtained with a first order algorithm, the final image is obtained by solving the direct problem and an ill-conditioned system of equations into an iterative procedure. The algorithm has been successfully tested with real data from an experimental scanner.
ISSN:	0013-5194 1350-911X
DOI:	10.1049/el:19961409