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:
Apr. 13, 2010
Filed:
Apr. 18, 2006
Alexander Leonidovich Mayboroda, St. Petersburg, RU;
Sergey V. Smolentsev, St. Petersburg, RU;
Mikhail A. Sall, St. Petersburg, RU;
Viktor V. Redkov, St. Petersburg, RU;
Anatoli I. Tikhotsky, St. Petersburg, RU;
Alexander Leonidovich Mayboroda, St. Petersburg, RU;
Sergey V. Smolentsev, St. Petersburg, RU;
Mikhail A. Sall, St. Petersburg, RU;
Viktor V. Redkov, St. Petersburg, RU;
Anatoli I. Tikhotsky, St. Petersburg, RU;
LG Electronics Inc., Seoul, KR;
Abstract
Methods of embedding and detecting a watermark into-from a digital image are disclosed. A method of embedding a watermark in accordance with an embodiment of the present invention into a digital image, the method comprising: generating a difference from an original image; segmenting said difference image into sub-regions; and calculating a watermark block into each sub-region by adding said watermark block with pixel values of each sub-region.