Accepted Manuscript Spatio-temporal feature using optical flow based distribution for violence detection Amira Ben Mabrouk, Ezzeddine Zagrouba PII: S0167-8655(17)30134-4 DOI: 10.1016/j.patrec.2017.04.015 Reference: PATREC 6799 To appear in: Pattern Recognition Letters Received date: 19 November 2016 Revised date: 11 March 2017 Accepted date: 23 April 2017 Please cite this article as: Amira Ben Mabrouk, Ezzeddine Zagrouba, Spatio-temporal feature us- ing optical flow based distribution for violence detection, Pattern Recognition Letters (2017), doi: 10.1016/j.patrec.2017.04.015 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.