ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,608, issued on March 24, was assigned to Lemon Inc..
"Signaling the purpose of preselection" was invented by Ye-kui Wang (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of processing media data. The method includes determining, for a conversion between the media data and a media data file, that a preselection element includes an indicator, wherein the indicator indicates that a purpose of the preselection element is for providing a picture-in-picture experience where a supplementary video appears to be overlaid on a target picture-in-picture region in a main video; and performing a conversion between the media data and the media ...