DCT coding of nonrectangularly sampled images

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DCT Coding of Nonrectangularly Sampled Images.pdf (281.17 KB)

Date

1994

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Source Title

IEEE Signal Processing Letters

Print ISSN

1070-9908

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IEEE

Volume

1

Issue

9

Pages

131 - 133

Language

English

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Article

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Abstract

Discrete cosine transform (DCT) coding is widely used for compression of rectangularly sampled images. In this letter, we address efficient DCT coding of nonrectangularly sampled images. To this effect, we discuss an efficient method for the computation of the DCT on nonrectangular sampling grids using the Smith-normal decomposition. Simulation results are provided.

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Keywords

Algorithms, Computational methods, Digital signal processing, Image compression, Interpolation, Mathematical models, Sampling, Discrete cosine transform coding, Nonrectangularly sampled images, Smith normal decomposition, Image coding

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http://hdl.handle.net/11693/25997

Published Version (Please cite this version)

http://dx.doi.org/10.1109/97.319026

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Scholarly Publications - Electrical and Electronics Engineering