Abstract: A video watermarking method resistant to temporal desynchronization attacks, of the type that comprises a watermark embedding, an attack stage and a watermark detection stage wherein during the watermarking embedding stage, the same watermark is hidden in a number of frames given by the mutual information between them; a temporal redundancy control is modified to hide a watermark in each possible I-frame; and during the watermark detection stage, the watermark extractor takes all the frames watermarked with the same key to extract its characteristics.
Type:
Grant
Filed:
July 19, 2011
Date of Patent:
July 21, 2015
Assignee:
INSTITUTO NACIONAL DE ASTROFISICA, OPTICA Y ELECTRONICA
Inventors:
Pedro Aaron Hernandez-Avalos, Claudia Feregrino-Uribe, Rene Cumplido-Parra, Jose Juan Garcia-Hernandez