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Subject: Computer Science (provided by Thomson Reuters)
Title:
一种隐写分析盲性的评价及提高方法
Alternative Title: an approach for evaluating and improving blindness of steganalysis
Author: 孙磊 ; 赵险峰 ; 黄炜 ; 曹纭
Keyword: 信息隐藏 ; 隐写分析 ; 盲性 ; 信息融合
Source: 计算机应用与软件
Issued Date: 2012
Volume: 29, Issue:9, Pages:6-9,36
Indexed Type: CNKI ; CSCD ; WANFANG
Department: 中国科学院软件研究所;中国科学院信息工程研究所信息安全国家重点实验室;
Sponsorship: 国家自然科学基金项目(61170281)|北京市自然科学基金项目(4112063)|中国科学院战略性先导科技专项(XDA06030600)|中国科学院信息工程研究所内部项目(Y1Z0041101)
Abstract: 现有隐写分析系统通常假定隐写算法及其配置已知,但该条件在实际的应用环境中很难满足。实际上,不同的隐写分析系统对未知隐写算法和配置有不同的适用性。将该适用性定义为盲性并在隐写系统概率模型的基础上给出一种具体的评价指标,分析提高盲性的方法,包括特征的融合优选和决策层的融合。实验表明,提出的指标能够有效指示隐写分析系统对具体隐写系统的适用性,所提方法确实提高了盲性。
English Abstract: Existing steganalysis systems are usually assumed that their target steganography and configurations are known.However,this assumption does not hold in actual implementation.The adaptability of different steganalysis systems varies during the detection of different steganographic algorithms with different configurations.In this paper,we define such applicability as the blindness and create a specific evaluation criterion based on the probability model for steganographic systems,and analyse the way to improve the blindness including the features fusion and optimisation as well as the decision level fusion.Experimental results show that,our criterion is effective in indicating the adaptabilities of steganalysis system on specific steganographic system,and the proposed schemes do have raised the blindness.
Language: 中文
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Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/15387
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
孙磊,赵险峰,黄炜,等. 一种隐写分析盲性的评价及提高方法[J]. 计算机应用与软件,2012-01-01,29(9):6-9,36.
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