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Article: Statistical modelling of the wavelet coefficients with different bases and decomposition levels
Title | Statistical modelling of the wavelet coefficients with different bases and decomposition levels |
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Authors | |
Issue Date | 2004 |
Citation | Iee Proceedings: Vision, Image And Signal Processing, 2004, v. 151 n. 3, p. 203-206 How to Cite? |
Abstract | Various wavelet coefficient statistics are useful to increase the compression efficiency of images. The distribution of the wavelet coefficients within a sub-band affects how the decompression values should be adjusted. A generalised Gaussian distribution model is seen to be applicable from a theoretical point of view, and a convenient way is provided to estimate the parameters from the empirical data. This knowledge is applied to examine the best statistical modelling of the wavelet coefficients for different wavelet bases and decomposition levels. © IEE, 2004. |
Persistent Identifier | http://hdl.handle.net/10722/73696 |
ISSN | |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Lam, EY | en_HK |
dc.date.accessioned | 2010-09-06T06:53:53Z | - |
dc.date.available | 2010-09-06T06:53:53Z | - |
dc.date.issued | 2004 | en_HK |
dc.identifier.citation | Iee Proceedings: Vision, Image And Signal Processing, 2004, v. 151 n. 3, p. 203-206 | en_HK |
dc.identifier.issn | 1350-245X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/73696 | - |
dc.description.abstract | Various wavelet coefficient statistics are useful to increase the compression efficiency of images. The distribution of the wavelet coefficients within a sub-band affects how the decompression values should be adjusted. A generalised Gaussian distribution model is seen to be applicable from a theoretical point of view, and a convenient way is provided to estimate the parameters from the empirical data. This knowledge is applied to examine the best statistical modelling of the wavelet coefficients for different wavelet bases and decomposition levels. © IEE, 2004. | en_HK |
dc.language | eng | en_HK |
dc.relation.ispartof | IEE Proceedings: Vision, Image and Signal Processing | en_HK |
dc.title | Statistical modelling of the wavelet coefficients with different bases and decomposition levels | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Lam, EY:elam@eee.hku.hk | en_HK |
dc.identifier.authority | Lam, EY=rp00131 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1049/ip-vis:20040398 | en_HK |
dc.identifier.scopus | eid_2-s2.0-3242747486 | en_HK |
dc.identifier.hkuros | 88829 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-3242747486&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 151 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | 203 | en_HK |
dc.identifier.epage | 206 | en_HK |
dc.identifier.isi | WOS:000222602700008 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Lam, EY=7102890004 | en_HK |
dc.identifier.issnl | 1350-245X | - |