The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2001
Filed:
Dec. 30, 1997
Applicant:
Inventors:
Dinei A. Florencio, Plainsboro, NJ (US);
Michael A. Isnardi, Plainsboro, NJ (US);
Assignee:
Sarnoff Corporation, Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 ; G06K 9/36 ; H04L 9/00 ;
U.S. Cl.
CPC ...
G06K 9/00 ; G06K 9/36 ; H04L 9/00 ;
Abstract
A method and apparatus that inserts watermark information directly into an encoded video bitstream. The method identifies specific blocks or macroblocks in an encoded video bitstieam and inserts the watermark information directly into the bitstream such that these selected blocks are replaced with a block containing watermark information or augmented with watermark information.