by Christa Miller, Forensic Focus
The need for image recognition and categorization has never been more in demand thanks to the spread of extremist propaganda, child sexual abuse material (CSAM), and other illicit activity across the internet.
Because of the sheer amount of material online, investigators assigned to these kinds of cases need ways to recognize it quickly and also to categorize it — to separate known from fresh material. This is particularly important when it comes to neutralizing active threats and rescuing victims — as well as preserving investigators’ mental health by limiting the amount of material they have to see.
Thanks to developments in machine learning and artificial intelligence, a number of vendor products have been able to incorporate rapid recognition or categorization tools into their software. Here, we take a look at what’s available.