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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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).

Source Title

Electronics Letters

Publisher

The Institution of Engineering and Technology

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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

Collections

Scholarly Publications - Electrical and Electronics Engineering

Language

English

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Article