Multipurpose watermarking realizing image copyright notification,copyright protection and content authentication
A multipurpose image watermarking scheme based on chaotic systems and sub-image lifting wavelet transformation（LWT） was proposed.Firstly, the host image was divided into 8×8 sub-images and each sub-image was performed 2-level LWT.Then, the invisible watermarks for copyright protection and content au...
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| Main Author: | |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2009-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/74649076/ |
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