Analysis of Double Compression Detection in a Video

In the age of 21st century hand holding device such as mobile phone, PDA, digital cameras are easily available and accessible by everyone. Video captured by these devices can be share through internet medium for various purposes like information dissemination, video conferencing, and social platform etc. The video quality can be upgrade and degrade or the video contents can be modified by using various software available freely on internet. It is possible for digital attacker to modify the contents by using these software for malicious purpose and is very difficult to see through the necked eyes. Many of the illegal video alteration cases are identified in the areas like social media, politics, criminal investigation etc. Authentication of a digital video minimizes the false information flow. The content validation of the digital video ranges from an individual, barrier and security setups to law authorization organizations. In this regard forgery detection techniques play important role. In this paper, we are going to take a review of the work done by various researchers previously to identify the forgery in the digital video contents. We also show the comparative study of surveyed techniques and goes for opportunities in the field of forgery detection.