Signal Decomposition Methods for Reducing Drawbacks of the DWT (CROSBI ID 185934)
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Podaci o odgovornosti
Sović, Ana ; Damir Seršić
engleski
Signal Decomposition Methods for Reducing Drawbacks of the DWT
Besides many advantages of wavelet transform, it has several drawbacks, e.g. ringing, shift variance, aliasing and lack of directionality. Some of them can be eliminated by using wavelet packet transform, stationary wavelet transform, complex wavelet transform, adaptive directional lifting-based wavelet transform, or adaptive wavelet filter banks that use either L2 or L1 norm. This paper contains an overview of these methods.
wavelet transform; filter bank; lifting scheme; complex wavelet transform; adaptive wavelets
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Podaci o izdanju
Povezanost rada
Elektrotehnika, Računarstvo