IMAGE CONTENT BASED DIGITAL WATERMARKING ALGORITHM IN CONTOURLET TRANSFORM DOMAIN

摘要：

A new extension to wavelet transform called Contourlet was introduced. It possessed not only spatial and frequency locality and multiresolution but also directionality and anisotropy. We made use of the trait of contourlet coefficient, and analyzed the embedding location and depth.The watermarks were inserted in locations, which were identified by contourlet coefficients corresponding to the strong image texture. And the embedding depth was adjusted intelligently based on the noise visibility function(NVF). The proposed algorithm is robust enough in withstanding some attacks such as filtering, adding noise,and JPEG compression.

关键词： Wavelet Contourlet NVF Digital watermark

作者: LinGeng Guo ZhiBiao Shu

作者单位: College of Mathematics and Computer Science, Fuzhou University Fuzhou, Fujian 350002, China

会议类型: 国际会议

会议名称: 2006 International Symposium on Distributed Computing and Applications to Business,Engineering and Science(2006年国际电子、工程及科学领域的分布式计算应用学术研讨会)

会议地点: 杭州

会议语种:英文

页码: 329-332

在线出版日期: 2006-10-12（万方平台首次上网日期，不代表论文的发表时间）