Y. Sivasubramanyam Kamala Krithivasan Image representation using distributed weighted finite automata. 2001 46 Electr. Notes Theor. Comput. Sci. http://www.elsevier.com/gej-ng/31/29/23/86/27/show/Products/notes/index.htt#010 db/journals/entcs/entcs46.html#SivasubramanyamK01