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:
Dec. 23, 2008
Filed:
Mar. 17, 2006
Junya Watanabe, Tokyo, JP;
Junya Watanabe, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A secure electronic inserter. A picture analyzeranalyzes an input picture, and decides the insertion strength of the electronic water marking to be inserted, from one pixel of the input pictureto another, to output the insertion strength informationto an electronic watermark pattern inserterand to a shifting information pattern inserterThe electronic watermark pattern inserterinserts an electronic watermark pattern, stored in an electronic watermark pattern storage unitinto the input patternThe key information pattern inserterinserts the key information patternstored in the key information pattern storage unitinto a picture to be processedhaving the inserted electronic watermark pattern, in accordance with the insertion strength informationto output the resulting picture.