Apriori Rate Allocation in Wavelet-Based Image Compression

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Second International Conference on Automated Production of Cross Media Content for Multi-Channel Distribution (AXMEDIS'06)

Leeds, UK

December 13-December 15

ISBN: 0-7695-2625-X

	ASCII Text	x
	Sven Grottke, Thomas Richter, Ruedi Seiler, "Apriori Rate Allocation in Wavelet-Based Image Compression," Automated Production of Cross Media Content for Multi-Channel Distribution, International Conference on, pp. 329-336, Second International Conference on Automated Production of Cross Media Content for Multi-Channel Distribution (AXMEDIS'06), 2006.

	BibTex	x
	@article{ 10.1109/AXMEDIS.2006.12, author = {Sven Grottke and Thomas Richter and Ruedi Seiler}, title = {Apriori Rate Allocation in Wavelet-Based Image Compression}, journal ={Automated Production of Cross Media Content for Multi-Channel Distribution, International Conference on}, volume = {0}, year = {2006}, isbn = {0-7695-2625-X}, pages = {329-336}, doi = {http://doi.ieeecomputersociety.org/10.1109/AXMEDIS.2006.12}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Automated Production of Cross Media Content for Multi-Channel Distribution, International Conference on TI - Apriori Rate Allocation in Wavelet-Based Image Compression SN - 0-7695-2625-X SP329 EP336 A1 - Sven Grottke, A1 - Thomas Richter, A1 - Ruedi Seiler, PY - 2006 KW - null VL - 0 JA - Automated Production of Cross Media Content for Multi-Channel Distribution, International Conference on ER -

Sven Grottke, Technische Universitat Berlin, Germany

Thomas Richter, Technische Universitat Berlin, Germany

Ruedi Seiler, Technische Universitat Berlin, Germany

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/AXMEDIS.2006.12

We present a rate allocation scheme that pre-computes optimal quantisation bucket sizes based on a mathematical model of wavelet transformed natural images prior entropy encoding. We combine the proposed scheme with the JPEG2000 embedded rate-allocator and find in our experiments that it is able to increase JPEG2000 encoding speed by a factor of two without loosing image quality.

Citation:

Sven Grottke, Thomas Richter, Ruedi Seiler, "Apriori Rate Allocation in Wavelet-Based Image Compression," axmedis, pp.329-336, Second International Conference on Automated Production of Cross Media Content for Multi-Channel Distribution (AXMEDIS'06), 2006

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