Shih-Ying Lin Shi-Jinn Horng Tzong-Wann Kao Chin-Shyurng Fahn Pingzhi Fan Yuan-Hsin Chen Muhammad Khurram Khan Anu G. Bourgeois Takao Terano 3D block-based medial axis transform and chessboard distance transform based on dominance. 272-285 2011 29 Image Vision Comput. 4 http://dx.doi.org/10.1016/j.imavis.2010.11.005 db/journals/ivc/ivc29.html#LinHKFFCKBT11