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《Computer Engineering and Applications》 2004-02
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Application of Haar Type Orthogonal Transforms in the Digital Watermarking

Xiang Xiuqiao Shi Baochang(Department of Mathematics,Huazhong University of Science and Technology,Wuhan430074)  
Haar type orthogonal transforms are applied in digital watermarking by the technique of variable scales and different transforms in this paper,namely,the size of subblocks is not all the same with the same blocks,fast transforms adopt are not all the same even to subblocks with the same size either.The experiment results show that the proposed policy of dividing and rule is not only invisual to the image but also robust to attack,at the same time ,The method has high compression ratio.Furthermore,it's calcaulating quantity is very simple as well as it's computation speed is very fast because it's algorithm is in-place and special fit to parallel computation.Moreover,the image only having two values is taken as blind watermarking.
【Fund】: 国家863高技术研究发展计划(编号:863-306-ZD-01-08)资助项目
【CateGory Index】: TP309
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Chinese Journal Full-text Database 3 Hits
1 SHI Jing1,LIN Ke-zheng1,MAO Jun-jie2(1.College of Computer Science & Technology,Harbin Univ.Sci.Tech.,Harbin 150080,China;2.Dep.of Computer,Beijing University of Technology,Beijing 100022,China);Image Digital Watermarking Algorithm Based on Double Transforms[J];Journal of Harbin University of Science and Technology;2007-06
2 ZHAO Jing SHI Bao-chang (Department of Mathematics,Huazhong University of Science and Technology,Wuhan 430074);Digital Watermarking Algorithm Based on 2-D Walsh and Slant Transforms[J];Computer Engineering and Applications;2006-26
3 XIAO Jun1,PENG Xiao-ming2,LIU Na1,ZHANG Hai-cheng1(1.Department of Graduate Management,AFRA,Wuhan 430019,China;2.Department of Information & Command Automation,AFRA,Wuhan 430019,China);An information hiding Method Based on Multidimensional Lattices in the DCT Domain[J];Journal of Air Force Radar Academy;2006-01
Chinese Journal Full-text Database 1 Hits
1 Li Xueming(School of Information Engineering of BUPT,Beijing100876);Implementation and Performance Analysis for Adaptive Block Size Image Compression[J];Computer Engineering and Applications;2003-01
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1 XU QING (Dept.of Basic Science,Chengdu University of Information Engineering,Chengdu 610041,China);α-Scale Multiwavelets[J];Journal of Chongqing University of Posts and Telecommunications;2001-04
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4 Zhu Changqing (Zhengzhou Institute of Surveying and Mapping,Zhengzhou 450052) (State Key Lab.of CAD&CG,Zhejiang University ,Hangzhou 310027 ) Yang Xiaomei (Institute of Geography,Chinese Academy of Sciences,Beijing 100101);REMOTE SENSINGIMAGE TEXTURE CLASSIFICATION BASED ON BEST-RESOLUTION WAVELET FEATURES[J];GEOGRAPHICAL RESEARCH;1997-01
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1 LIN Ke-zheng,SHI Jing,TANG Yuan-xin(School of Computer Science and Technology,Harbin University of Science and Technology,Harbin 150080,China);Research on Color Watermarking Algorithm Based on Video Frames[J];Journal of Harbin University of Science and Technology;2009-06
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1 Shi Baochang,Wang Nengchao (Parallel Computing Institute, Huazhong University of Science and Technology, Wuhan, 430074);THE EVOLVING GENERATION AND FAST ALGORITHMS OF SLANT TRANSFORM[J];Mathematica Numerica Sinica;2000-04
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