Characteristics of Natural Scenes Related to the Fractal Dimension. - James M. Keller; Richard M. Crownover; Robert Yu Chen (IEEE Trans. Pattern Anal. Mach. Intell., 1987)

Texture description and segmentation through fractal geometry. - James M. Keller; Susan S. Chen; Richard M. Crownover (Comput. Vis. Graph. Image Process., 1989)

Shape from Fractal Geometry. - Susan S. Chen; James M. Keller; Richard M. Crownover (Artif. Intell., 1990)

A Least Squares Approach to Linear Discriminant Analysis. - Richard M. Crownover (SIAM J. Sci. Comput., 1991)

On the Calculation of Fractal Features from Images. - Susan S. Chen; James M. Keller; Richard M. Crownover (IEEE Trans. Pattern Anal. Mach. Intell., 1993)