Morphological regularization for adaptation of image opening. - Makoto Nakashizuka; Yu Ashihara; Youji Iiguni (EUSIPCO, 2011)

An Adaptation Method for Morphological Opening Filters with a Smoothness Penalty on Structuring Elements. - Makoto Nakashizuka; Yu Ashihara; Youji Iiguni (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)