1. Optimal mean-square N-observation digital morphological filters — Part I: Optimal binary filters;Dougherty;Comput. Vision Graph. Image Process.,1992
2. Estimation of optimal τ-opening parameters based on independent observation of signal and noise pattern spectra;Dougherty;Signal Processing,1992
3. Optimal mean-absolute-error hit-or-miss filters: Morphological representation and estimation of the binary conditional expectation;Dougherty;Opt. Engrg.,1993
4. Model-based morphology: The opening spectrum;Haralick;Comput. Vision Graph. Image Process.,1995