UM
Wavelet image coding based on significance extraction using morphological operations
Zhong J.M.; Leung C.H.; Tang Y.Y.
1999-12-01
Source PublicationIEE Proceedings: Vision, Image and Signal Processing
ISSN1350245X
Volume146Issue:4Pages:206-210
AbstractAn algorithm is proposed for improving Servetto et al.'s method of morphological representation of wavelet data (MRWD), which is among the most efficient wavelet-based image compression algorithms. In MRWD, morphological dilation is used to capture and encode the arbitrarily shaped clusters of significant coefficients within each subband and high compression is achieved. But there are still several deficiencies for rectification in MRWD. An efficient image compression algorithm is proposed, in which, for each subband, morphological dilation is first used to extract and encode the clustered significant coefficients, and the remaining space is encoded in an efficient way. Instead of encoding the large number of zeros one by one, only the small number of remaining significant coefficients and their positional information are encoded. Experimental results show that this improvement is very effective, especially for images with large and relatively smooth regions.
DOI10.1049/ip-vis:19990556
URLView the original
Language英語
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Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationThe University of Hong Kong
Recommended Citation
GB/T 7714
Zhong J.M.,Leung C.H.,Tang Y.Y.. Wavelet image coding based on significance extraction using morphological operations[J]. IEE Proceedings: Vision, Image and Signal Processing,1999,146(4):206-210.
APA Zhong J.M.,Leung C.H.,&Tang Y.Y..(1999).Wavelet image coding based on significance extraction using morphological operations.IEE Proceedings: Vision, Image and Signal Processing,146(4),206-210.
MLA Zhong J.M.,et al."Wavelet image coding based on significance extraction using morphological operations".IEE Proceedings: Vision, Image and Signal Processing 146.4(1999):206-210.
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