41 citations
3 papers
cs.MM2019★ 31 cited
Analysis of Rolling Shutter Effect on ENF based Video Forensics
Saffet Vatansever, Ahmet Emir Dirik, Nasir Memon
ENF is a time-varying signal of the frequency of mains electricity in a power grid. It continuously fluctuates around a nominal value (50/60 Hz) due to changes in supply and demand…
cs.MM2019★ 41 cited
Detecting the Presence of ENF Signal in Digital Videos: a Superpixel based Approach
Saffet Vatansever, Ahmet Emir Dirik, Nasir Memon
ENF (Electrical Network Frequency) instantaneously fluctuates around its nominal value (50/60 Hz) due to a continuous disparity between generated power and consumed power. Conseque…
math.DG2017★ 1 cited
Yamabe Solitons on three-dimensional normal almost paracontact metric manifolds
Irem Kupeli Erken
The purpose of the paper is to study Yamabe solitons on three-dimensional para-Sasakian, paracosymplectic and para-Kenmotsu manifolds. Mainly, we proved that *If the semi-Riemannia…