In an effort to combat the prevalence of deepfakes, Microsoft has launched a new video authenticator tool, which can analyse a still photo or video to provide a percentage of the chance that a piece of media is artificially manipulated.
In the case of a video, Microsoft said it could provide this percentage in real time for each frame as the video plays. It works by detecting the blending boundary of the deepfake and subtle fading or greyscale elements that might not be detectable by the human eye.
Deepfakes, or synthetic media, can be photos, videos, or audio files manipulated by artificial intelligence (AI). Microsoft said detection of deepfakes is crucial in the lead up to the US election.
See also: Deepfakes’ threat to 2020 US election isn’t what you’d think (CNET)
The tech was created using a public dataset from Face Forensic++ and Microsoft said it was tested on