A Block Feature Correlation Based Image Watermarking for Tamper Detection Using Linear Equation

摘要：

A new watermark method for detecting image tampering is proposed in this paper. First, an authentication number is created by using a pair of watermark pixels as the coefficients of a linear function. The central pixel of a host block as the input data to the linear function. The authentication information of that block is then embedded into the host image using the LSB matching revisited embedding procedure. In the detection stage, ISB matching revisited will be applied to extract the authentication information and to verify whether the image blocks have been tampered with. The authentication information establishes the block feature correlation. This kind of correlation helps resist VQ attack.

关键词： authentication temper detction VQ attack

作者: Chin-Feng Lee Kuo-Nan Chen Chin-Chen Chang Meng-Cheng Tsai

作者单位: Department of Information Management Chaoyang University of Technology Taichung 41439,Taiwan,R.O.C. Department of Computer Science and Information Engineering National Chung Cheng University Chiayi 62 Department of Information Engineering and Computer Science Feng Chia University,Taichung 40724,Taiwa

会议类型: 国际会议

会议名称: The Fifth International Conference on Information Assurance and Security(第五届信息保障与安全国际会议)

会议地点: 西安

会议语种:英文

页码: 615-618

在线出版日期: 2009-08-18（万方平台首次上网日期，不代表论文的发表时间）