SDP for 2-d Filter Design: General Formulation and Dimension Reduction Techniques. - T. Q. Hung; Hoang Duong Tuan; Ba-Ngu Vo; Truong Q. Nguyen (ICASSP (2), 2006)

Design of Half-Band Diamond and Fan Filters by SDP. - T. Q. Hung; Hoang Duong Tuan; Truong Q. Nguyen (ICASSP (3), 2007)

Design of Diamond and Circular Filters by Semi-definite Programming. - T. Q. Hung; Hoang Duong Tuan; Truong Q. Nguyen (ISCAS, 2007)