Resolution enhancement of low resolution wavefields with POCS algorithm

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Resolution enhancement of low resolution wavefields with POCS algorithm.pdf (197.78 KB)

Date

2003

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Source Title

Electronics Letters

Print ISSN

0013-5194

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Publisher

The Institution of Engineering and Technology

Volume

39

Issue

25

Pages

1808 - 1810

Language

English

Type

Article

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Abstract

The problem of enhancing the resolution of wavefield or beam profile measurements obtained using low resolution sensors is addressed by solving the problem of interpolating signals from partial fractional Fourier transform information in several domains. The iterative interpolation algorithm employed is based on the method of projections onto convex sets (POCS).

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Keywords

Fractional Fourier transform, Fresnel approximation, Signal recovery, Algorithms, Approximation theory, Convergence of numerical methods, Extrapolation, Fourier transforms, Image quality, Image sensors, Interpolation, Iterative methods, Matrix algebra, Vectors, Image enhancement

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http://hdl.handle.net/11693/24352

Published Version (Please cite this version)

http://dx.doi.org/10.1049/el:20031119

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Scholarly Publications - Electrical and Electronics Engineering