فهرست مقالات Vahid Keshavarzi مقاله 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) , شماره 4 , سال 5 , پاییز 2017