Subband filters using allpass structures. - S. Radhakrishnan Pillai; William Robertson 001; William J. Phillips (ICASSP, 1991)

Generalized magnitude and power complementary filters. - S. Radhakrishnan Pillai; Gregory H. Allen (ICASSP (3), 1994)

Almost Distortion-Free IIR Subband Filters using a Nested Structure. - S. Radhakrishnan Pillai; Gregory H. Allen (ISCAS, 1994)

A New Set of Complementary Subband Filters with Sharp Band Characteristics. - S. Radhakrishnan Pillai; Gregory H. Allen (ISCAS, 1994)

Design of three channel power complementary filters with maximally flat characteristics. - S. Radhakrishnan Pillai; Sherwin T. Nugent (Signal Process., 1994)

Higher order complementary filters. - S. Radhakrishnan Pillai; Gregory H. Allen (IEEE Trans. Signal Process., 1994)

A sub-space method for high resolution bathymetry. - Andreas Antoniou; S. Radhakrishnan Pillai (ICASSP, 1996)

Waveform classification and information extraction from LIDAR data by neural networks. - Dipankar Bhattacharya; S. Radhakrishnan Pillai; Andreas Antoniou (IEEE Trans. Geosci. Remote. Sens., 1997)

A frequency-domain approach to shallow-water depth measurement. - S. Radhakrishnan Pillai; Andreas Antoniou (IEEE Trans. Geosci. Remote. Sens., 1997)

A new estimation technique for near-shore bathymetric measurements. - S. Radhakrishnan Pillai; Hyun Seok Oh (ICASSP, 1999)

A new estimation technique for high-resolution bathymetry. - S. Radhakrishnan Pillai; H. S. Oh; Andreas Antoniou (Signal Process., 2000)