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Proceedings Paper

Interpolation and resampling in image processing and holography
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Paper Abstract

In this paper, we present an overview of some recent advances in interpolation and resampling. We are particularly interested in the linear, convolution-based interpolation techniques where new image pixels are generated by first fitting a certain continuous function to the given uniformly sampled data and then resampled at the desired coordinates. We start with stating the interpolation problem in signal and frequeny domain and then continue with describing the interpolation artifacts and how to evaluate the interpolator's performance. We then review the class of piecewise-polynomial interpolators of minimal support as the best compromise between high performance and acceptable cost. We describe efficient filter structures, discuss different optimized designs and give comparative results both experimental and analytical.

Paper Details

Date Published: 9 June 2006
PDF: 11 pages
Proc. SPIE 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information, 62521A (9 June 2006); doi: 10.1117/12.677053
Show Author Affiliations
Atanas P. Gotchev, Tampereen Teknillinen Yliopisto (Finland)
Karen O. Egiazarian, Tampereen Teknillinen Yliopisto (Finland)


Published in SPIE Proceedings Vol. 6252:
Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information
Yury Denisyuk; Ventseslav Sainov; Elena Stoykova, Editor(s)

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