A new spatial domain image watermarking scheme resisting geometric attacks

被引：0
作者：
Institute of Intelligent Control and Image Engineering , Xidian University, Xi'an 710071, China [1 ]
机构：
[1] Institute of Intelligent Control and Image Engineering (ICIE), Xidian University
来源：
Zidonghua Xuebao Acta Auto. Sin. | 2008年 / 10卷 / 1235-1242期
关键词：
Digital watermark; Feature point; Geometric attack; Odd-even quantization;
D O I：
10.3724/SP.J.1004.2008.01235
中图分类号：
学科分类号：
摘要：
In order to resist geometric attacks, a novel spatial domain image watermarking scheme (FAQ) using feature point and quantization is presented. The main methods adopted include: 1) watermark synchronization is achieved by invariant local circular regions which can be generated using image locally most stable feature points; 2) fan-shaped sub-regions are generated in a rotation invariant pattern by partitioning the local region, and the watermark bits are embedded in spatial domain by odd-even quantization; 3) an odd-even detector is designed to extract the watermark blindly. Experimental results show that FAQ achieves high image quality, and it can efficiently resist traditional signal processing attacks, rotation/scaling/translation (RST) attacks as well as some combined attacks.
引用
收藏
页码：1235 / 1242
页数：7
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