3组隐写特征的互补性分析及其 面向空域隐写的融合
收稿日期: 2011-01-21
修回日期: 2011-03-21
网络出版日期: 2012-03-15
基金资助
国家自然科学基金(61170281)、北京市自然科学基金(4112063)、中国科学院战略性先导科技专项课题(XDA06030600)和中国科学院信息工程研究所内部课题(Y1Z0041101)资助
Analysis of complementarity among three sets of the features and their fusion for spatial steganography
Received date: 2011-01-21
Revised date: 2011-03-21
Online published: 2012-03-15
张弢 , 赵险峰 , 黄炜 , 盛任农 . 3组隐写特征的互补性分析及其 面向空域隐写的融合[J]. 中国科学院大学学报, 2012 , (2) : 264 -270 . DOI: 10.7523/j.issn.2095-6134.2012.2.018
In view of spatial steganography, we discuss the complementarity among three sets of the features including statistical moments of wavelet characteristic functions, high-order statistics, and subtractive pixel adjacency matrix, and we use the mutual information criterion and boosting feature selection to fuse the features. Analytic and experimental results show that the complementarity does exist among the features and the fusion enhances accuracy of steganalysis.
Key words： feature selection; feature fusion; spatial steganography; steganalysis
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