Image requantization by cardinality distribution. - Yuang-Cheh Hsueh; Ming-Guey Chern; Chyi-Hwa Chu (Comput. Graph., 1991)

Image compression by cardinality distribution. - Chyi-Hwa Chu; Ming-Guey Chern; Yuang-Cheh Hsueh (Comput. Graph., 1994)