Polyphase adaptive filter banks for subband decomposition

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Polyphase adaptive filter banks for subband decomposition.pdf (342.07 KB)

Date

1998-05-06

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Source Title

Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS '98

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0271-4310

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IEEE

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Pages

V-480 - V-483

Language

English

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Conference Paper

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Abstract

Subband decomposition is widely used in signal processing applications including image and speech compression. In most practical cases, the goal is to obtain subband signals that are suitable for data compression. In this paper, we present Perfect Reconstruction (PR) polyphase filter bank structures in which the filters adapt to the changing input conditions. This leads to higher compression results for images containing sharp edges, text, and subtitles.

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Keywords

Image compression, Perfect reconstruction (PR) polyphase filters, Subband decomposition, Adaptive filtering

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http://hdl.handle.net/11693/27679

Published Version (Please cite this version)

https://doi.org/10.1109/ISCAS.1998.694537

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Scholarly Publications - Computer Engineering
Scholarly Publications - Electrical and Electronics Engineering