DCT coding of nonrectangularly sampled images

Date

1994

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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.

Source Title

IEEE Signal Processing Letters

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IEEE

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Published Version (Please cite this version)

Language

English