Patents by Inventor Viktor V. Redkov

Viktor V. Redkov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of embedding watermark into digital image
    Patent number: 7697717
    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.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: April 13, 2010
    Assignee: LG Electronics Inc.
    Inventors: Alexander Leonidovich Mayboroda, Sergey V. Smolentsev, Mikhail A. Sall, Viktor V. Redkov, Anatoli I. Tikhotsky