A Solution of Electromagnetic Imaging Using Pseudoinverse Transformation

A Solution of Electromagnetic Imaging Using Pseudoinverse Transformation

A new reconstruction algorithm as applied to electromagnetic imaging is proposed. It is aimed at reconstructing constitutive parameter distributions of infinitely long dielectric cylinders with arbitrary cross section, from the scattered fields they produce. Computer simulations show that the implem...

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Veröffentlicht in:IEEE transactions on medical imaging 1984, Vol.3 (4), p.155-162
Hauptverfasser: Ney, M. M., Smith, A. M., Stuchly, S. S.
Format: Artikel
Sprache:eng
Schlagworte:
Biological and medical sciences
Computer simulation
Dielectric measurements
Electromagnetic measurements
Electromagnetic scattering
Geophysical measurements
Image reconstruction
Inverse problems
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Miscellaneous. Technology
Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques
Polarization
Reconstruction algorithms
X-ray scattering
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Beschreibung
Zusammenfassung:A new reconstruction algorithm as applied to electromagnetic imaging is proposed. It is aimed at reconstructing constitutive parameter distributions of infinitely long dielectric cylinders with arbitrary cross section, from the scattered fields they produce. Computer simulations show that the implementation of the pseudoinverse transformation in this algorithm yields excellent results for thin cylinders irradiated by transverse magnetic (TM) waves, even in the presence of realistic uncertainties in the scattered field measurements.
ISSN:0278-0062
1558-254X
DOI:10.1109/TMI.1984.4307675