Prof. Dr. Ing. Pavel Zemčík

BAŘINA David, KULA Michal a 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, s. 534-538. ISBN 978-1-5090-2375-2.
Jazyk publikace:angličtina
Název publikace:Simple Signal Extension Method for Discrete Wavelet Transform
Název (cs):Jednoduchá metoda rozšíření signálu pro diskrétní vlnkovou transformaci
Strany:534-538
Sborník:Proceedings of 2016 IEEE International Conference on Signal and Image Processing
Konference:2016 IEEE International Conference on Signal and Image Processing
Místo vydání:Beijing, CN
Rok:2016
ISBN:978-1-5090-2375-2
DOI:10.1109/SIPROCESS.2016.7888319
Vydavatel:Institute of Electrical and Electronics Engineers
Soubory: 
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Klíčová slova
diskrétní vlnková transformace, schéma lifting
Anotace
Článek se zabývá efektivní implementací symetrického rozšíření okrajů signálu pro diskrétní vlnkovou transformaci. V současnosti používané metody ošetřují okraje signálu komplikovaným a neflexibilním způsobem.
Abstrakt
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.cs?id=11245}
}

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