Title: Jump method of digital watermark
Application Number: 200610097441 Application Date: 2006.11.09
Publication Number: 1963864 Publication Date: 2007.05.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G06T1/00
Applicant(s) Name: Anhui University of Technology Address:
Inventor(s) Name: Wang Pengfei;Qin Feng;Wang Xiaolin
Attorney & Agent: zhouzong ru
Abstract:
    This invention relates to one digital water mark jump method, which comprises the following steps: generating chaotic array according to code key to map the array into sequence array to get chaotic order formula; processing codes water mark image sequence into water mark sequence and expending the water mark sequence into several water mark channel; when imbedding water mark converting the load image into radio area and selecting load frequency area parameter as imbedded water mark load parameter to select water mark expending to take place load parameters; re-establishing images to get water mark load image into frequency area to find out water mark load parameter.
Time: 11