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.

Date of Patent:
Mar. 31, 2020

Filed:

Feb. 19, 2018
Applicant:

Digimarc Corporation, Beaverton, OR (US);

Inventors:

Osama M. Alattar, Tigard, OR (US);

Adnan M. Alattar, Tigard, OR (US);

Assignee:

Digimarc Corporation, Beaverton, OR (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06T 1/00 (2006.01); H04N 1/32 (2006.01);
U.S. Cl.
CPC ...
G06T 1/005 (2013.01); G06K 9/00744 (2013.01); H04N 1/32203 (2013.01); H04N 1/32267 (2013.01); H04N 1/32288 (2013.01); H04N 1/32352 (2013.01); G06T 2201/0051 (2013.01); G06T 2201/0061 (2013.01); G06T 2201/0065 (2013.01);
Abstract

The present invention relates generally to digital watermarking. One aspect of the disclosure includes a method comprising: obtaining data representing imagery; using one or more configured processors, analyzing a plurality of portions of the data to detect a redundantly embedded watermark signal, the analyzing producing detection statistics for each of the plurality of portions, the detection statistics comprising a payload signature, a rotation angle and a scale factor for each portion of the plurality of portions; accumulating payload signatures based on compatible rotation angles and scale factors, said accumulating yielding an accumulated payload signature; and decoding a plural-bit payload from the accumulated payload signature. Of course, many other aspects and disclosure are provided in this patent document.


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