How Xerox Scanners Replaced Digits with JBIG2 Compression

Free and Open Source Software Conference (FrOSCon) e.V. · Talk · 53 min · 2015 · YouTube title: David Kriesel: Lies, damned lies and scans

Why it's here

The standard reference whenever HN discusses the Xerox scanner bug or AI and compression that fabricates content.

What it covers

David Kriesel's FrOSCon talk on how Xerox scancopiers, due to JBIG2 compression, silently replaced digits in scanned documents. He walks through how he discovered the bug and why it is so dangerous.