Video Forgery Detection by Bitstream Analysis

International audienceIn this paper, we propose a video tampering detection method based on bitstream analysis for videos in H.264 or MPEG-4 AVC format. This method aims at detecting inter-frame alterations: insertion, deletion, permutation, duplication. Features are extracted from the original bitstream. This method therefore does not require the decoding of the video, which improves the speed of analysis. The detection quality remains very significant in terms of binary detection, tampered / pristine video, with a F1 measure equal to 94.89. Concerning multiclass classification, F1 measure reaches 70.33 due to the difficulty to separate swap and duplication forgeries