Abstract: Digital forensics (sometimes known as digital forensic science) is a branch of forensic science encompassing the recovery and investigation of material found in digital devices. Digital image forensics aims at validating the authenticity of images by recovering information about their history. Two main problems are addressed: the identification of the imaging device that captured the image, and the detection of traces of forgeries. Nowadays, thanks to the promising results attained by early studies and to the always growing number of applications, digital image forensics represents an appealing investigation domain for many researchers. Fake images are many times used to publicize in social Medias and news papers. Many cases are noted in regard to the defaming business as well as political leaders by using fake photos and videos. In this paper DWT and Shift technique is used with optical flow to detect the video forgery frames and different parameters are calculated.

Keywords: Frame, Video, forgery, DWT and SIFT etc.