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Evaluation of a simple method for reconstructing asymmetrically sampled echo data

✍ Scribed by John P. Mugler III; James R. Brookeman

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
512 KB
Volume
1
Category
Article
ISSN
1053-1807

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✦ Synopsis

Abstract

A simple method for reconstructing echo data with a large degree of sampling asymmetry was investigated. The method is based on the application of an optimized data sampling window before standard Fourier transform magnitude reconstruction. The performance of this β€œwindowed direct” reconstruction was evaluated with theoretical simulations and experimental measurements and compared with that of the half‐Fourier method. With the proper selection of data sampling window parameters, highly asymmetric echo data reconstructed with standard Fourier transform magnitude algorithms produced images similar in quality to those reconstructed with the half‐Fourier method. Windowed direct reconstruction provides a simple and computationally fast alternative to more sophisticated algorithms and may be particularly applicable for specialized or developmental applications.

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