Detail publikace

Performance of discrete wavelet transform lifting scheme approach

MALÝ, J. RAJMIC, P.

Originální název

Performance of discrete wavelet transform lifting scheme approach

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

The fast lifting-based approach for the discrete wavelet transform presents a very efficient way of computing wavelet coefficients. We have successfully created a Java implementation of this coding technique for the case of CDF 9/7 filterbanks, which is a starting point of proposing lossy image compression format based on DWT, that will make use of this platform. Testing of the algorithm has confirmed it to be superior when compared to the standard convolutional approach, both in terms of computational speed and memory efficiency. The algorithm is also much simpler to implement than the standard convolutional way, because we don't need to perform manipulation on the source signal in order to archieve boundary extension and cutoff (after the transform).

Klíčová slova

Discrete wavelet transform, fast lifting, Cohen-Daubechies-Feauveau wavelet 9/7, image compression, convolution

Autoři

MALÝ, J.; RAJMIC, P.

Rok RIV

2007

Vydáno

4. 9. 2007

ISBN

978-0-387-74158-1

Kniha

Proceedings of the 12th IFIP International Conference

Strany od

231

Strany do

239

Strany počet

9

BibTex

@inproceedings{BUT22897,
  author="Jan {Malý} and Pavel {Rajmic}",
  title="Performance of discrete wavelet transform lifting scheme approach",
  booktitle="Proceedings of the 12th IFIP International Conference",
  year="2007",
  pages="9",
  isbn="978-0-387-74158-1"
}