| 一种实现指纹隐藏的自适应位替换算法 |
| |
| 引用本文： | 赵慧民,迟艳丽,张惠乐.一种实现指纹隐藏的自适应位替换算法[J].电视技术,2007,31(7):85-87,96. |
| |
| 作者姓名： | 赵慧民 迟艳丽 张惠乐 |
| |
| 作者单位： | 1. 佛山科学技术学院,机电学院,广东,佛山,528000;中山大学,广东省信息安全技术重点实验室,广州,510275
2. 华南理工大学,电子信息学院,广州,510641 |
| |
| 基金项目： | 广东省信息安全技术重点实验室资助项目 |
| |
| 摘 要： | 考虑小波变换的多分辨率特性和JPEG2000码流分层的结构,对隐藏的指纹图像生成的比特流按重要性进行排序,再按其排序依次嵌入到小波变换分解后从低到高的各频率子带中,嵌入时根据各系数的冗余度不同自适应地选择嵌入强度,最后根据不可见性和鲁棒性的折衷考虑进行幅度补偿和设置保护区域,实现了一种应用JPEG2000进行指纹隐藏的自适应位替换算法.
|
| 关 键 词： | JPEG2000标准 小波变换 信息隐藏 指纹 |
| 文章编号： | 1002-8692（2007）07-0085-03 |
| 修稿时间： | 2007-05-18 |
An Adaptive Replacement Algorithm for the Realization of JPEG2000 Fingerprint Hiding |
| |
| ZHAO Hui-min,CHI Yan-li,ZHANG Hui-le.An Adaptive Replacement Algorithm for the Realization of JPEG2000 Fingerprint Hiding[J].Tv Engineering,2007,31(7):85-87,96. |
| |
| Authors: | ZHAO Hui-min CHI Yan-li ZHANG Hui-le |
| |
| Abstract: | Considering the character of multi-resolution of wavelet transform and JPEG2000 coding stream layered organization, the bit stream of hidden fingerprint image is sorted by importance and then embedded into wavelet coefficient from low to high resolution. The embedded intensity is adaptively selected based the redundancy of each wavelet coefficient. After embedding, the algorithm makes margin compensation and sets protection region based on the trade-off between the invisibility and robustness, and thus an adaptive replacement method for JPEG2000 fingerprint hiding is realized. |
| |
| Keywords: | JPEG2000 wavelet transform information hiding fingerprint |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
