Techniques to Detect Modified Video

In today's multimedia world billions of photographs and videos are generated each day. Of these, about 30,000 are obtained by the U.S. government for law enforcement and intelligence purposes. These could be photos and videos of people, to include child pornography, that are of interest to the FBI, videos from surveillance cameras, or photos and videos obtained from foreign adversaries that may be a threat to the United States. Material may also be multimedia submitted to news services or posted to the internet that portray world events that could affect decisions made by our leadership. — Of these images or videos, some could have been altered to improve the artistic appearance or story telling aspects of the material, but some of the alterations may have been done to change the narrative to influence events, spread false information, or provide misdirection. — This paper will discuss two aspects of detection of alteration: first the DARPA program MediFor, which is a large program to develop software that would automatically scan every piece of material received and flag those pieces that have indications of being altered. The second part will describe some of the tests that have been done manually through the years to identify falsified material without the aid of the technology that is now being developed for the Medifor program.

Published

2016-10

Content type

Original Research

Keywords

Forensics, video, photographs, forgery, fake, spoof, modifications

DOI

10.5594/M001724

ISBN

978-1-61482-957-7