000033887 001__ 33887
000033887 005__ 20190316233420.0
000033887 0247_ $$2doi$$a10.1109/78.324731
000033887 037__ $$aARTICLE
000033887 245__ $$aOrthogonal time-varying filter banks and wavelet packets
000033887 269__ $$a1994
000033887 260__ $$c1994
000033887 336__ $$aJournal Articles
000033887 520__ $$aConsiders the construction of orthogonal time-varying filter banks. By examining the time domain description of the two-channel orthogonal filter bank the authors find it possible to construct a set of orthogonal boundary filters, which allows to apply the filter bank to one-sided or finite-length signals, without redundancy or distortion. The method is constructive and complete. There is a whole space of orthogonal boundary solutions, and there is considerable freedom for optimization. This may be used to generate subband tree structures where the tree varies over time, and to change between different filter sets. The authors also show that the iteration of discrete-time time-varying filter banks gives continuous-time bases, just as in the stationary case. This gives rise to wavelet, or wavelet packet, bases for half-line and interval regions
000033887 700__ $$aHerley, Cormac
000033887 700__ $$0240184$$aVetterli, Martin$$g107537
000033887 773__ $$j42$$k10$$q2650-2663$$tIEEE Transactions on Signal Processing
000033887 8564_ $$s1043940$$uhttps://infoscience.epfl.ch/record/33887/files/HerleyV94.pdf$$zn/a
000033887 909C0 $$0252056$$pLCAV$$xU10434
000033887 909CO $$ooai:infoscience.tind.io:33887$$pIC$$particle$$qGLOBAL_SET
000033887 917Z8 $$x218003
000033887 937__ $$aLCAV-ARTICLE-1994-001
000033887 970__ $$aHerleyV94/LCAV
000033887 973__ $$aEPFL$$rNON-REVIEWED$$sPUBLISHED
000033887 980__ $$aARTICLE