ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,400, issued on May 5.
"Self-verifying hidden digital media within other digital media" was invented by Cary Michael Quinn (Tampa, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Self-verifying hidden digital media using a novel interactive component that reveals a secondary hidden watermark. One method reveals at least one hidden image into a visible image, may include the steps of generating, via a processor, a first image that is visible on a computing device screen; generating, via a processor, at least one second image, the at least one second image being in an invisible or nearly invisible state to the human eye in a neutral state and visible...