Fast Algorithm of Short-time DCT for Low Resolution Signal Processing

Vitaly Kober

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Paper

Fast Algorithm of Short-time DCT for Low Resolution Signal Processing

Topics: Image and Video Processing, Compression and Segmentation; Multidimensional Signal Processing

In Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems - Volume 0ICETE, 71-74, 2012 , Rome, Italy

Author: Vitaly Kober

Affiliation: CICESE, Mexico

Keyword(s): Discrete Cosine Transform, Fast Algorithm.

Related Ontology Subjects/Areas/Topics: Image and Video Processing, Compression and Segmentation ; Multidimensional Signal Processing ; Multimedia ; Multimedia Signal Processing ; Telecommunications

Abstract: A fast algorithm for computing the discrete cosine transform (DCT) in a window running on a signal with a step higher than one is proposed. The algorithm is based on a second-order recursive relation between DCT spectra computed in windows which are equally spaced with a given distance. The computational complexity of the proposed algorithm is compared with that of common fast and running DCT algorithms. A fast inverse DCT transform is also presented.

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Paper citation in several formats:

Kober, V. (2012). Fast Algorithm of Short-time DCT for Low Resolution Signal Processing. In Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems (ICETE 2012) - SIGMAP; ISBN 978-989-8565-25-9, SciTePress, pages 71-74. DOI: 10.5220/0004017800710074

@conference{sigmap12,
author={Vitaly Kober.},
title={Fast Algorithm of Short-time DCT for Low Resolution Signal Processing},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems (ICETE 2012) - SIGMAP},
year={2012},
pages={71-74},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004017800710074},
isbn={978-989-8565-25-9},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems (ICETE 2012) - SIGMAP
TI - Fast Algorithm of Short-time DCT for Low Resolution Signal Processing
SN - 978-989-8565-25-9
AU - Kober, V.
PY - 2012
SP - 71
EP - 74
DO - 10.5220/0004017800710074
PB - SciTePress