Low-power digital filtering using approximate processing. - Jeffrey T. Ludwig; S. Hamid Nawab; Anantha P. Chandrakasan (IEEE J. Solid State Circuits, 1996)

A separation theorem for periodic sharing information patterns in decentralized control. - James M. Ooi; Shawn M. Verbout; Jeffrey T. Ludwig; Gregory W. Wornell (IEEE Trans. Autom. Control., 1997)

Approximate Signal Processing. - S. Hamid Nawab; Alan V. Oppenheim; Anantha P. Chandrakasan; Joseph M. Winograd; Jeffrey T. Ludwig (J. VLSI Signal Process., 1997)

Low power digital filtering using adaptive approximate processing. - Jeffrey T. Ludwig (1997)

Parameter estimation for autoregressive Gaussian-mixture processes: the EMAX algorithm. - Shawn M. Verbout; James M. Ooi; Jeffrey T. Ludwig; Alan V. Oppenheim (IEEE Trans. Signal Process., 1998)