Estimation of shape of binary polygonal object from scattered field

We present a method of estimating the shape of a weakly scattering binary convex polygonal object from the backscattered field. We use the concept scattering centers where it has been possible to model the scattered field as a sum of complex sinusoids. All corners of an object could be estimated wit...

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Bibliographic Details
Published in:IEEE transactions on image processing 1998-02, Vol.7 (2), p.253-257
Main Authors: Buvaneswari, A., Naidu, P.S.
Format: Article
Language:English
Subjects:
Acoustic diffraction
Acoustic imaging
Acoustic scattering
Electromagnetic scattering
Fourier transforms
Image coding
Lighting
Sensor arrays
Shape
Tomography
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Summary:We present a method of estimating the shape of a weakly scattering binary convex polygonal object from the backscattered field. We use the concept scattering centers where it has been possible to model the scattered field as a sum of complex sinusoids. All corners of an object could be estimated with three or more illuminations, but of which at least two are in orthogonal directions. Using the amplitude of the sinusoids, we have also resolved the ambiguity in joining the corners when there are more than one object.
ISSN:1057-7149
1941-0042
DOI:10.1109/83.661005