Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.13/25052
- On minimal lattice factorizations of symmetric-antisymmetric multifilterbanks
Ma, K. K.
- This paper introduces two minimal lattice structures for symmetric-antisymmetric multiwavelets (SAMWTs) and symmetric-antisymmetric multifilterbanks (SAMFBs). First, by exploring the relation of the symmetric-antisymmetric property in multifilterbanks and the linear-phase property in traditional scalar filterbanks, we show that the implementation and design of an SAMFB can be converted into that of a four-channel scalar linear-phase perfect reconstruction filterbank (LPPRFB). Then, based on the lattice factorization for LPPRFBs, we propose two fast, modular, minimal structures for SAMFBs. To demonstrate the effectiveness of the proposed lattice structures, several rational or dyadic-coefficient SAMWT design examples are presented along with their application in image coding.
- IEEE Transactions on Signal Processing Vol. 53, no. 2, p. 606-621
- Institute of Electrical and Electronics Engineers
reconstruction filter bank;
discrete multiwavelet transforms;
- Resource Type
- journal article