Progressive optimization in subband trees
Mehmet V. Tazebay, Ali N. Akansu · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1994
This paper shows that performance improvements are possible if different filter banks in the different levels, even in the nodes, of a subband tree are used. A progressive optimization technique is proposed for fine tuning of the product subband filters in a tree structure. The time and frequency properties of product subband filters are evaluated and comparisons made.