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《Journal of Chongqing Institute of Technology(Natural Science)》 2009-05
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A Weak Water Mark Algorithm Based on Matrix Decomposing

MO Jia1,TAN Su-qin2(a.College of Information Engineering;b.College of Foreign Languages,East China Jiaotong University,Nanchang 330013,China)  
Digital water mark technique has attracted increasing attention as an efficient solution to security authentication for digital products.The basic principles of water mark are first introduced to illustrate the matrix LU decomposing,then the weak water mark embedding and extracting system is implemented through C++ to test the illegal modification of electronic certificate.Finally,a conclusion is made to reiterate the applicability of weak water mark in E-business.
【Fund】: 江西省教育厅资助项目(JXJG08515)
【CateGory Index】: TP309.7
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