A modified generalised Lloyd algorithm for VQ codebook design. - Chang-Qian Chen; Soo-Ngee Koh; Pratab Sivaprakasapillai (ICASSP, 1996)

A novel scheme for optimising partitioned VQ using a modified resolution measure. - Chang-Qian Chen; Soo-Ngee Koh; Pratab Sivaprakasapillai (Signal Process., 1997)

An enhanced generalized Lloyd algorithm. - Chang-Qian Chen (IEEE Signal Process. Lett., 2004)