Abstract
This paper is focused on analysing the effect of wavelet filters on Space frequency quantization (SFQ) coder performance. SFQ is a new class of image coding algorithms coupling standard scalar quantization of frequency coefficients with tree-structured quantization (related to spatial structures) has attracted wide attention because its good performance appears to confirm the promised efficiencies of hierarchical representation [1]. It has been shown that the statistics of wavelet coefficients in the medical images can be better approximated by the Generalized Pareto distribution (for positive DWT coefficients) and Generalized Student-t distribution (for negative DWT coefficients) [2]. To analyze the performance of SFQ coder with different wavelet filters PSNR (peak signal to noise ratio) is measured at various compression rates.
Original language | English |
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Title of host publication | 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015 |
Editors | Karol Molnar, Norbert Herencsar |
Publisher | IEEE - Institute of Electrical and Electronics Engineers Inc. |
ISBN (Electronic) | 9781479984985 |
DOIs | |
Publication status | Published - 2015 Oct 9 |
Externally published | Yes |
Event | 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015 - Prague, Czech Republic Duration: 2015 Jul 9 → 2015 Jul 11 |
Publication series
Name | 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015 |
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Conference
Conference | 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015 |
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Country/Territory | Czech Republic |
City | Prague |
Period | 2015/07/09 → 2015/07/11 |
Bibliographical note
Publisher Copyright:© 2015 IEEE.
Subject classification (UKÄ)
- Medical Imaging
Free keywords
- Medical Image Compression
- SFQ
- Wavelet Transforms