JOURNAL ARTICLE
Blind Watermarking Algorithm Against Geometric Attacks Based on Directionlet-domain
Jing LiuYinghui WangGang LiuWenjuan He
Year: 2011 Journal: JOURNAL OF ELECTRONICS INFORMATION TECHNOLOGY Vol: 33 (2)Pages: 442-447 Publisher: Chinese Academy of Sciences, Institute of Electronics
Abstract
摘要: 抵抗几何攻击是数字水印研究领域具有挑战性的课题。该文提出一种利用Directionlet变换构造水印同步信息的盲水印算法：通过边缘检测算子锁定图像边缘；利用拉格朗日定理求取边缘斜率；选取两条边缘，用其斜率构成Directionlet变换的采样矩阵；在Directionlet变换域内自适应嵌入水印，排除几何攻击对水印检测的影响。仿真实验结果表明，该算法抵抗旋转等几何攻击具有很好的鲁棒性能。 关键词: 水印算法 / Directionlet变换 / 拉格朗日定理 / 采样矩阵
Keywords:
Digital watermarking Computer science Algorithm Domain (mathematical analysis) Artificial intelligence Mathematics Image (mathematics)
Metrics
1
Cited By
0.26
FWCI (Field Weighted Citation Impact)
4
Refs
0.62
Citation Normalized Percentile
Is in top 1%
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Citation History
Topics
Advanced Steganography and Watermarking Techniques
Physical Sciences → Computer Science → Computer Vision and Pattern Recognition
Image and Video Stabilization
Physical Sciences → Computer Science → Computer Vision and Pattern Recognition
Advanced Image Fusion Techniques
Physical Sciences → Engineering → Media Technology
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