Symbolic manipulation and analysis of morphological expressions. - Craig H. Richardson; Ronald W. Schafer (ICASSP, 1990)

A Lower Bound for Structuring Element Decompositions. - Craig H. Richardson; Ronald W. Schafer (IEEE Trans. Pattern Anal. Mach. Intell., 1991)

The representation of morphological systems and meta-systems for automatic symbolic manipulations. - Craig H. Richardson (ICASSP (5), 1993)

A hierarchical video coder with cache motion information. - Kwan K. Truong; Craig H. Richardson (ICASSP, 1996)