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:
Oct. 13, 2015
Filed:
Sep. 16, 2010
Applicants:
Hui-man Hou, Beijing, CN;
Jian-ming Jin, Beijing, CN;
Yuhong Xiong, Beijing, CN;
Inventors:
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04N 1/40 (2006.01); G06T 1/00 (2006.01); H04N 1/32 (2006.01);
U.S. Cl.
CPC ...
G06T 1/0021 (2013.01); G06T 1/005 (2013.01); H04N 1/32213 (2013.01); H04N 1/32251 (2013.01); H04N 1/32309 (2013.01); G06T 2201/0051 (2013.01); G06T 2201/0061 (2013.01);
Abstract
An example method includes dividing the image into blocks of pixels of a predefined size; for each block, selecting one of a plurality of saturation patterns representing a binary value of one or more bits of digital watermark data corresponding to the block; and for each block, embedding the binary value of the one or more bits of corresponding digital watermark data into the block by adjusting the saturation of pixels within the block in accordance with the selected pattern.