Performance Analysis on the Algorithms of Information Hiding and Extracting

NIU Xin-xin; YANG Yi-xian

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Performance Analysis on the Algorithms of Information Hiding and Extracting

更新时间：2025-07-16

- Performance Analysis on the Algorithms of Information Hiding and Extracting
- Acta Electronica Sinica Vol. 30, Issue 7, Pages: 952-955(2002)
- 作者机构：
  
  北京邮电大学信息安全中心,北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.3
- Published Online：25 July 2002，
  
  Published：2002
- 稿件说明：
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NIU Xin-xin, YANG Yi-xian. Performance Analysis on the Algorithms of Information Hiding and Extracting[J]. Acta Electronica Sinica, 2002, 30(7): 952-955.
DOI：

NIU Xin-xin, YANG Yi-xian. Performance Analysis on the Algorithms of Information Hiding and Extracting[J]. Acta Electronica Sinica, 2002, 30(7): 952-955. DOI：

摘要

本文从系统模型的角度研究了信息隐藏与检测的问题

提出了用参数估计理论来衡量信息提取算法的优劣.同时

用信息隐藏中常用的两种算法和四种应用环境为例

推导了参数估计的方差下限

并且用仿真结果验证了理论结果

同时得到了对应的信息提取算法为最佳估计算法的结论.

Abstract

The problem of information hiding and extracting is studied in the perspective of system model in this paper.An approach is proposed to measure the performance of information extracting algorithms by using the estimation theory.The Cramer-Rao Lower Bounds (CRLB) are derived for four algorithms of information extracting and the simulation results are given to corroborate the analysis.

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Related Institution

School of Electrical Engineering and Automation, Wuhan University

National Key Laboratory of Electromagnetic Energy, Naval University of Engineering

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（武汉大学软件工程国家重点实验室, ）

School of Electronic Science and Engineering,National University of Defense Technology

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