收稿日期: 2009-09-14
修回日期: 2009-10-23
网络出版日期: 2010-01-15
基金资助
国家自然科学基金项目(60772032)资助
High capacity video steganographic algorithm based on visual perception model
Received date: 2009-09-14
Revised date: 2009-10-23
Online published: 2010-01-15
梁惠 , 郭立 , 陈运必 . 基于视觉感知模型的大容量视频隐写算法[J]. 中国科学院大学学报, 2010 , 27(1) : 55 -62 . DOI: 10.7523/j.issn.2095-6134.2010.1.008
In order to provide large capacity of steganography and maintain a good visual quality of stego-video, a novel high capacity video steganographic algorithm based on visual perception model is presented. This algorithm integrates multi-parameter spatial contrast sensitivity function, contrast masking based on classification of DCT blocks, and motion attention. Then secret information is embedded under control of distortion masking measure of each DCT coefficient. Experimental results show that the new algorithm has ability to hide secret data of large capacity without noticeable distortion.
Key words： steganography; video; visual perception model; distortion masking measure
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