Fully spatial and SNR scalable, SPIHT-based image coding for transmission over heterogenous networks

• Autorzy: Danyali H. , Mertins A.
• Języki publikacji: EN

Abstrakty

EN

This paper presents a fully scalable image coding scheme based on the set partitioning in hierarchical trees (SPIHT) algorithm. The proposed algorithm, called fully scalable SPIHT (FS-SPIHT), adds the spatial scalability feature to the SPIHT algorithm. It provides this new functionality without sacrificing other important features of the original SPIHT bitstream such as: compression efficiency, full embeddedness and rate scalability. The flexible output bitstream of the FS-SPIHT encoder which consists of a set of embedded parts related to different resolutions and quality levels can be easily adapted (reordered) to given bandwidth and resolution requirements by a simple parser without decoding the bitstream. FS-SPIHT is a very good candidate for image communication over heterogenous networks which requires high degree of scalability from image coding systems.

Słowa kluczowe

EN

wavelet image coding; scalability; SPIHT; progressive transmission; multiresolution

• Wydawca: Instytut Łączności - Państwowy Instytut Badawczy
• Czasopismo: Journal of Telecommunications and Information Technology
• Rocznik: 2003
• Tom: nr 2
• Strony: 92--98
• Opis fizyczny: Bibliogr. 19 poz., rys.

Twórcy

autor

Danyali H.

• University of Wollongong, Wollongong, NSW 2522, Australia

autor

Mertins A.

• University of Wollongong, Wollongong, NSW 2522, Australia

Bibliografia

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