ThreeDimensional Landform Data with TextureInformation Lossless Hiding Technique

LIU Xuchong1,2,WANG Jianxing1,HU Huaping3,LUO Yong4

doi:10.3969/j.issn.1007130X.2010.

Computer Engineering & Science >

2010 , Vol. 32 >Issue 10: 63 - 65

DOI: https://doi.org/10.3969/j.issn.1007130X.2010.

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ThreeDimensional Landform Data with TextureInformation Lossless Hiding Technique

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(1.School of Information Science and Engineering,Central South University,Changsha 410083;
2.Security Inspection of Public InfoNetwork Division,Hunan Provincial Public Security Department,Changsha 410001;
3.School of Computer Science,National University of Defense Technology,Changsha 410073;
4.School of Science,National University of Defense Technology,Changsha 410073,China)

Received date: 2009-09-01

Revised date: 2009-12-03

Online published: 2010-09-29

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Abstract

In this paper,the information hiding technology is used in protecting the 3D landform data. The information of elevation is hidden in the texture. Keeping the terrain figure and hypsography,the terrain information is compressed in low bit ratio. The landform data are embedded into the texture data by an improved histogram shift. The texture data can recover losslessly after the data are restored. The hidden DEM data can not be detected easily,and the data can not be drawn restored by the illegal user without the key.

Key words： lossless information hiding；digital elevation mode；integer wavelet with parameters

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LIU Xuchong1,2,WANG Jianxing1,HU Huaping3,LUO Yong4 . ThreeDimensional Landform Data with TextureInformation Lossless Hiding Technique[J]. Computer Engineering & Science, 2010 , 32(10) : 63 -65 . DOI: 10.3969/j.issn.1007130X.2010.

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