Patent ID: 11962733
Assignee: DIGIMARC CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. A method of encoding a PDF file with a signal, the PDF file comprising a plurality of elements including an artwork element, said method comprising:
disassembling the PDF file to obtain the artwork element;
embedding the artwork element with the signal using a first embedding to yield a first embedded artwork element;
embedding the artwork element with the signal using a second embedding to yield a second embedded artwork element;
determining a first robustness assessment for the first embedded artwork element and determining a second robustness assessment for the second embedded artwork element;
selecting the first embedded artwork element or the second embedded artwork element based on an evaluation of the first robustness assessment and the second robustness assessment, said selecting yielding a selected embedded artwork element;
reassembling the PDF file using the selected embedded artwork element instead of the artwork element.