Asymmetric watermarking based on Contourlet transform and subspace projection

Asymmetric watermarking based on Contourlet transform and subspace projection

For the copyright protection of the digital image,a new asymmetric watermarking method of feature subspace projection based on Contourlet transform was presented.Embedding matrix（private key） and detecting matrix（public key） were constructed differently,where embedding matrix was kept secretly while...

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Bibliographic Details
Main Authors: HE Mi, CHENG Li-zhi
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2009-01-01
Series:Tongxin xuebao
Subjects:
asymmetric watermarking
Contourlet transform
copyright protection
Online Access:http://www.joconline.com.cn/zh/article/74652384/
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