A simple circuit-theoretical approach for the stability testing of 2-D digital filters. - Ognjan V. Shentov; Sanjit K. Mitra; Brian D. O. Anderson (ICASSP, 1988)

A technique for the efficient coding of the upper bands in subband coding of images. - O. Johnsen; Ognjan V. Shentov; Sanjit K. Mitra (ICASSP, 1990)

A method for fast approximate computation of discrete time transforms. - Sanjit K. Mitra; Ognjan V. Shentov; Mariane R. Petraglia (ICASSP, 1990)

A simple method for power spectral estimation using subband decomposition. - Ognjan V. Shentov; Sanjit K. Mitra (ICASSP, 1991)

Subband DFT - Part II: Accuracy, complexity and applications. - Abdulnasir Hossen; Ulrich Heute; Ognjan V. Shentov; Sanjit K. Mitra (Signal Process., 1995)

Subband DFT - Part I: Definition, interpretation and extensions. - Ognjan V. Shentov; Sanjit K. Mitra; Ulrich Heute; Abdulnasir Hossen (Signal Process., 1995)