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Semi-fragile watermarking technology based on SVD decomposition and Hadamard transform
The semi-fragile watermarking algorithm based on Hadamard transform and SVD decomposition was proposed to distinguish normal image processing operations from malicious tampering.Firstly,the carrier image was SVD decomposed,and Hadamard transform was performed on all image subblocks.The watermark was...
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| Autor principal: | |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
POSTS&TELECOM PRESS Co., LTD
2017-05-01
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| Colecção: | 网络与信息安全学报 |
| Assuntos: | |
| Acesso em linha: | http://www.infocomm-journal.com/cjnis/CN/10.11959/j.issn.2096-109x.2017.00153 |
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