Estimation for filtering attacks on QIM watermarks
A scheme for estimating two-band amplitude scale attack within a quantization-based watermarking context was presented.Quantization-based watermarking schemes are not robust against linear time invariant(LTI) filtering attacks,on which a multi-band amplitude scaling attack that modifies the spectrum...
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Main Authors: | WANG Jin-shen, DAI Yue-wei, WANG Zhi-quan |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Journal on Communications
2007-01-01
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Series: | Tongxin xuebao |
Subjects: | |
Online Access: | http://www.joconline.com.cn/zh/article/74657738/ |
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