Multiplier-less discrete sinusoidal and lapped transforms using sum-of-powers-of-two (sopot) coefficients. - S. C. Chan 001; P. M. Yiu (ISCAS (2), 2001)

A multiplier-less 1-D and 2-D fast Fourier transform-like transformation using sum-of-powers-of-two (SOPOT) coefficients. - S. C. Chan 001; P. M. Yiu (ISCAS (4), 2002)

Multiplier-less implementation of linear phase cosine modulated filter banks with composite channel number. - P. M. Yiu; S. C. Chan 001 (ISCAS (4), 2002)

An efficient multiplierless approximation of the fast Fourier transform using sum-of-powers-of-two (SOPOT) coefficients. - Shing-Chow Chan; P. M. Yiu (IEEE Signal Process. Lett., 2002)