The perfect-reconstruction QMF bank: New architectures, solutions, and optimization strategies. - P. P. Vaidyanathan; Phuong-Quan Hoang (ICASSP, 1987)

Lattice structures for optimal design and robust implementation of two-channel perfect-reconstruction QMF banks. - Palghat P. Vaidyanathan; Phuong-Quan Hoang (IEEE Trans. Acoust. Speech Signal Process., 1988)