Conference paper

BAŘINA David, KULA Michal and ZEMČÍK Pavel. Simple Signal Extension Method for Discrete Wavelet Transform. In: Proceedings of 2016 IEEE International Conference on Signal and Image Processing. Beijing: Institute of Electrical and Electronics Engineers, 2016, pp. 534-538. ISBN 978-1-5090-2375-2.
Publication language:english
Original title:Simple Signal Extension Method for Discrete Wavelet Transform
Title (cs):Jednoduchá metoda rozšíření signálu pro diskrétní vlnkovou transformaci
Pages:534-538
Proceedings:Proceedings of 2016 IEEE International Conference on Signal and Image Processing
Conference:2016 IEEE International Conference on Signal and Image Processing
Place:Beijing, CN
Year:2016
ISBN:978-1-5090-2375-2
DOI:10.1109/SIPROCESS.2016.7888319
Publisher:Institute of Electrical and Electronics Engineers
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Keywords
discrete wavelet transform, lifting scheme
Annotation
The paper deals with an effective implementation of symmetric border extension for discrete wavelet transforms. The state-of-the-art approaches treat such boundaries in a complicated and inflexible way.
Abstract
Discrete wavelet transform of finite-length signals must necessarily handle the signal boundaries. The state-of-the-art approaches treat such boundaries in a complicated and inflexible way, using special prolog or epilog phases. This holds true in particular for images decomposed into a number of scales, exemplary in JPEG 2000 coding system. In this paper, the state-of-the-art approaches are extended to perform the treatment using a compact streaming core, possibly in multi-scale fashion. We present the core focused on CDF 5/3 wavelet and the symmetric border extension method, both employed in the JPEG 2000. As a result of our work, every input sample is visited only once, while the results are produced immediately, i.e. without buffering.
BibTeX:
@INPROCEEDINGS{
   author = {David Ba{\v{r}}ina and Michal Kula and Pavel
	Zem{\v{c}}{\'{i}}k},
   title = {Simple Signal Extension Method for Discrete Wavelet
	Transform},
   pages = {534--538},
   booktitle = {Proceedings of 2016 IEEE International Conference on Signal
	and Image Processing},
   year = {2016},
   location = {Beijing, CN},
   publisher = {Institute of Electrical and Electronics Engineers},
   ISBN = {978-1-5090-2375-2},
   doi = {10.1109/SIPROCESS.2016.7888319},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php?id=11245}
}

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