NDLI: A heuristic algorithm to find the best tree-structured image decomposition

Content Provider	IEEE Xplore Digital Library
Author	Tripathi, S.K. Makur, A.
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. & Comput. Eng.,, Indian Inst. of Sci., Bangalore, India (Tripathi, S.K.)
Abstract	In the context of uniform filter bank, width of the hand depends upon the order of the subband decomposition, however for non-uniform filter banks there exist infinite possibilities even when the order is fixed. These infinite possibilities can be brought down to a certain number by using tree structured non-uniform decomposition of the spectrum, with a given pair of low pass and high pass filter. We address the problem of finding the decomposition that gives maximum coding gain. This question is extended to two dimensional signal like image. In this work we suggest a heuristic algorithm that avoids the exhaustive search of max coding gain. We consider separable filters. With the assumption of unit norm of each filter in filter pair.
Sponsorship	IEEE Region 10
Starting Page	918
Ending Page	921
File Size	277329
Page Count	4
File Format	PDF
ISBN	0780381629
DOI	10.1109/TENCON.2003.1273381
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-15
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heuristic algorithms Image decomposition Filter bank Band pass filters Frequency conversion Tree data structures Channel bank filters Equations Tires Image coding
Content Type	Text
Resource Type	Article

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