Dual-Tree Complex Wavelet Transform in the Frequency Domain and an Application to Signal Classification

Neumann, Julia ; Steidl, Gabriele

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URL: https://ub-madoc.bib.uni-mannheim.de/738
URN: urn:nbn:de:bsz:180-madoc-7382
Document Type: Working paper
Year of publication: 2003
The title of a journal, publication series: Technical Reports
Volume: 03-013
Place of publication: Mannheim
Publication language: English
Institution: School of Business Informatics and Mathematics > Sonstige - Fakultät für Wirtschaftsinformatik und Wirtschaftsmathematik
MADOC publication series: Veröffentlichungen der Fakultät für Mathematik und Informatik > Institut für Informatik > Technical Reports
Subject: 004 Computer science, internet
Subject headings (SWD): Klassifikation , Wavelet
Keywords (English): wavelets , classification , shift invariance
Abstract: We examine Kingsbury's dual-tree complex wavelet transform in the frequency domain, where it can be formulated for standard wavelet filters without special filter design and apply the method to the classification of signals. The obtained transforms achieve low shift sensitivity and better directionality compared to the real discrete wavelet transform while retaining the perfect reconstruction property.

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