Relating analog and digital order statistic filters. - Harold G. Longbotham; Alan C. Bovik (ICASSP, 1988)

Generalized order statistic filters. - Harold G. Longbotham; Alan C. Bovik; Alfredo Restrepo Palacios (ICASSP, 1989)

Theory of order statistic filters and their relationship to linear FIR filters. - Harold G. Longbotham; Alan C. Bovik (IEEE Trans. Acoust. Speech Signal Process., 1989)

Complete classification of roots to one-dimensional median and rank-order filters. - David H. Eberly; Harold G. Longbotham; Jorge Aragon (IEEE Trans. Signal Process., 1991)

A class of robust nonlinear filters for signal decomposition and filtering, utilizing the Haar basis. - Harold G. Longbotham (ICASSP, 1992)

Statistical properties, fixed points, and decomposition with WMMR filters. - Harold G. Longbotham; David H. Eberly (J. Math. Imaging Vis., 1992)

The WMMR filters: a class of robust edge enhancers. - Harold G. Longbotham; David H. Eberly (IEEE Trans. Signal Process., 1993)

Elimination of Bias in the FIR-Median Hybrid Filter. - Harold G. Longbotham; M. Zhang; E. Engelken (ICIP (1), 1994)

Texture Segmentation by Symmetric and Asymmetric Filters. - Yan Zhou; Harold G. Longbotham (ICIP (2), 1994)

X-Ray Stereo Imaging Technique for Disparity Analysis. - Harold G. Longbotham; Hemal N. Kothari; Ping Yan (CBMS, 1995)

Fuzzy logic and mathematical morphology: implementation by stack filters. - Joseph A. Rea; Harold G. Longbotham; Hemal N. Kothari (IEEE Trans. Signal Process., 1996)