Vetterli, MartinLeGall, Didier2005-04-182005-04-182005-04-18198810.1109/ISCAS.1988.15392https://infoscience.epfl.ch/handle/20.500.14299/213273Perfect reconstruction FIR filter banks: lapped transforms, pseudo-QMF's and paraunitary matricestext::conference output::conference proceedings::conference paper