Patents by Inventor Daria RYZHYKOVA

Daria RYZHYKOVA 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 AND APPARATUS FOR INSERTING OR EXTRACTING CONCEALED INFORMATION IN OR FROM IMAGE DATA
    Publication number: 20130251251
    Abstract: A method of inserting concealed information in image data, the method including: dividing the image data into predetermined groups; determining whether to transform at least one pixel value included in each of the predetermined groups is transformed, according to concealed information; transforming the at least one pixel value according to the determination, and inserting the concealed information in the image data depending on whether the transformed pixel value is included in a predetermined color region.
    Type: Application
    Filed: September 14, 2012
    Publication date: September 26, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dmitriy DOROGOVTSEV, Sergey POMETUN, Maksym KOSHEL, Daria RYZHYKOVA, Nikolay POLYANOVSKIY, Svitlana VOLKOVA