فهرس المقالات Vahid Keshavarzi المقاله 1 - A Global-Local Noise Removal Approach to Remove High Density Impulse Noise 10.7508/jist.2017.20.006 Ali Mohammad Fotouhi Samane Abdoli Vahid Keshavarzi Journal of Information Systems and Telecommunication (JIST) , العدد 4 , السنة 5 , پاییز 2017