基于多分辨率分析的多媒体信息隐藏方案
Multimedia Steganographic Scheme using Multiresolution Analysis
摘要：
数字隐写术或数据隐藏技术已成为一个新的研究领域，与保密信道通信和多媒体信号的知识产权保护有关。利用图像表示中的冗余性，可以成功地嵌入特定的特征信息，并具有良好的不可感知性。隐藏的多媒体信息将作为数据的一部分通过安全的通道传递给真实的用户。本文论述了一种变换域、基于块和信号非自适应/自适应技术，用于将多媒体信号插入RGB图像。所提出的方法的鲁棒性进行了测试相比，其他变换域技术。该算法还显示了改进的视觉和统计不可见性的隐藏信息。
英文摘要：
Digital steganography or data hiding has emerged as a new area of research in connection to the communication in secured channel as well as intellectual property protection for multimedia signals. The redundancy in image representation can be exploited successfully to embed specified characteristic information with a good quality of imperceptibility. The hidden multimedia information will be communicated to the authentic user through secured channel as a part of the data. This article deals with a transform domain, block-based and signal non-adaptive/adaptive technique for inserting multimedia signals into an RGB image. The robustness of the proposed method has been tested compared to the other transform domain techniques. Proposed algorithm also shows improvement in visual and statistical invisibility of the hidden information.
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