| 基于图像内容的半脆弱水印方法 |
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| 引用本文： | 熊常芳,林克正,马强,周洪玉.基于图像内容的半脆弱水印方法[J].哈尔滨理工大学学报,2004,9(6):27-30,33. |
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| 作者姓名： | 熊常芳 林克正 马强 周洪玉 |
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| 作者单位： | 哈尔滨理工大学,计算机与控制学院,黑龙江,哈尔滨,150080;哈尔滨理工大学,计算机与控制学院,黑龙江,哈尔滨,150080;哈尔滨理工大学,计算机与控制学院,黑龙江,哈尔滨,150080;哈尔滨理工大学,计算机与控制学院,黑龙江,哈尔滨,150080 |
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| 基金项目： | 黑龙江省自然科学基金资助(F01-22) |
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| 摘 要： | 针对网络传输中数字产品的安全保护问题，根据离散小波变换(DWT)多分辨率性质，结合混沌序列和人类视觉(HVS)特征，提出了一种基于图像内容的半脆弱水印算法，并给出了一个篡改判别方案，从而实现了对篡改图像的定位和分类．实验结果证明，该算法能够抵抗70％以上的JPEG有损压缩，具有准确识别篡改区域的能力．
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| 关 键 词： | 半脆弱水印 DWT 混沌序列 HVS 篡改检测 |
| 文章编号： | 1007-2683(2004)06-0027-04 |
Semi-fragile Watermarking Based on Image Content |
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| XIONG Chang-fang,LIN Ke-zheng,MA Qiang,ZHONG Hong-yu.Semi-fragile Watermarking Based on Image Content[J].Journal of Harbin University of Science and Technology,2004,9(6):27-30,33. |
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| Authors: | XIONG Chang-fang LIN Ke-zheng MA Qiang ZHONG Hong-yu |
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| Abstract: | Because digital products ought to be protected in the network transmission, according to the multi - resolution advantages of discrete wavelet transform(DWT), this paper combines the features of the chaotic sequences and human visual system(HVS), and a semi -fragile watermarking scheme based on image content is proposed. Furthermore, a rule of tamper detection is generated to detect tampered images. The experimental results demonstrate the algorithm can reject at least 70% JPEG lossy compression and accurately detect and locate where the watermarked images has been tampered. |
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| Keywords: | semi - fragile watermark DWT chaotic sequences HVS tamper detection |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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