| 用于JPEG2000图像认证的可逆水印算法 |
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| 引用本文： | 文家福,王嘉祯,刘会英,张斌,徐明. 用于JPEG2000图像认证的可逆水印算法[J]. 北京理工大学学报, 2010, 0(S1): 132-135 |
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| 作者姓名： | 文家福 王嘉祯 刘会英 张斌 徐明 |
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| 作者单位： | 军械工程学院计算机工程系,河北,石家庄 050003;军械工程学院计算机工程系,河北,石家庄 050003;军械工程学院计算机工程系,河北,石家庄 050003;军械工程学院计算机工程系,河北,石家庄 050003;中国人民解放军66435部队,河北,平泉 067501 |
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| 基金项目： | 国家自然科学基金资助项目(60571037);河北省科技厅基金资助项目(05213579) |
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| 摘 要： | 提出了一种适应渐近传输及有损到无损压缩等特性的JPEG2000图像认证算法. 在JPEG2000编码过程中,根据实际应用中指定的图像最低压缩码率,在量化后的小波系数位平面中确定各个低频子带的水印嵌入位平面,然后在各低频子带中生成和嵌入认证信息,在高频子带中用可逆水印的方式嵌入恢复信息. 当图像最终传输码率不低于最低认证码率时,可以提取图像的认证信息检测图像是否遭到篡改;当所有编码数据完全传输时,可以提取恢复信息将图像恢复到原始状态.
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| 关 键 词： | 图像认证 JPEG2000 数字水印 篡改检测 可逆水印 |
| 收稿时间： | 2010-03-30 |
A Reversible Watermarking Scheme for JPEG2000 Image Authentication |
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| WEN Jia-fu,WANG Jia-zhen,LIU Hui-ying,ZHANG Bin and XU Ming. A Reversible Watermarking Scheme for JPEG2000 Image Authentication[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2010, 0(S1): 132-135 |
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| Authors: | WEN Jia-fu WANG Jia-zhen LIU Hui-ying ZHANG Bin XU Ming |
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| Affiliation: | Department of Computer Engineering, Ordnance Engineering College, Shijiazhuang, Hebei 050003, China;Department of Computer Engineering, Ordnance Engineering College, Shijiazhuang, Hebei 050003, China;Department of Computer Engineering, Ordnance Engineering College, Shijiazhuang, Hebei 050003, China;Department of Computer Engineering, Ordnance Engineering College, Shijiazhuang, Hebei 050003, China;Unit 66435 of PLA, Pingquan, Hebei 067501, China |
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| Abstract: | A JPEG2000 image authentication scheme which is compatible with the characteristics of progressive transmission and lossy-to-lossless compression is proposed. Embedding bit plane of every low frequency subbands is determined in codec based on the lowest compression bit rate. Authentication data are generated and embedded in low frequency subbands and recovery data are embedded in high frequency subbands. If the final transmitted bit rate is not less than the lowest compression bit rate, authentication data can be extracted to verify the authenticity of the image. If the entire bitstream is transmitted, distortions due to authentication data embedding can be recovered by embedding recovery data in high frequency subbands. |
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| Keywords: | image authentication JPEG2000 digital watermarking tamper detection reversible watermarking |
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