Researchers at the Indian Institute of Technology (IIT) Ropar and Monash University, Australia have developed a detector named ‘FakeBuster’ to identify imposters attending a virtual conference without anybody’s knowledge. It can also find out faces manipulated on social media to defame or make a joke of someone.

In the present pandemic scenario when most of the official meetings and work is being done online, this detector enables an organizer to detect if another person's video is manipulated or spoofed during a video conferencing. The technique will find out if some imposter is attending a webinar or virtual meeting on behalf of one of your colleagues by morphing his image with his own.

“Sophisticated artificial intelligence techniques have spurred a dramatic increase in manipulation of media contents. Such techniques keep evolving and become more realistic. That makes detection difficult which could have far reaching security implications”, said Dr Abhinav Dhall, one of the key members of a four-man team that developed the ‘FakeBuster’.

” assures Dr Dhall. The other three members include Associate Prof. Ramanathan Subramanian and two students Vineet Mehta and Parul Gupta.

A paper on this technique - FakeBuster: A DeepFakes Detection Tool for Video Conferencing Scenarios - has been presented in the 26th International Conference on Intelligent User Interfaces, in USA, last month.

Dr Dhall said that the usage of manipulated media content in spreading fake news, pornography and other such online content has been widely observed with major repercussions. He said such manipulations have recently found their way into video-calling platforms through spoofing tools based on transfer of facial expressions. These fake facial expressions are often convincing to human eye and can have serious implications. These real time mimicked visuals (videos) known as ‘Deepfakes’ can even be used during online examinations and job interviews.

This software platform is independent of video conferencing solutions and has been tested with Zoom and Skype applications.

The Deepfake detection tool-‘FakeBuster’ works in both online and offline modes. Since the device can presently be attached with laptops and desktops only “we are aiming to make the network smaller and lighter to enable it to run on mobile phones/devices as well”, informed Associate Prof Subramanian. He said the team is working on using the device to detect fake audios also.

The team claims that this software platform ‘FakeBuster’ is one of the first tools to detect imposters during live video conferencing using DeepFake detection technology. The device has already been tested and would hit the market soon.

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