提出了一种基于假设检验的隐写分析方案。
This paper proposes a novel steganalysis scheme based on hypothesis testing.
提出了一种基于模式分析的二值文本图像隐写分析算法。
This paper proposes a novel steganalysis algorithm based on pattern analysis for binary text images.
从理论和实验上论证直方图频域矩用于隐写分析的有效性。
Proved—theoretically and experimentally—the effectiveness of the moments in frequency domain of histogram as features for steganalysis.
针对LS B匹配隐写算法,本文提出了一种专用隐写分析算法。
A special steganalysis algorithm for LSB matching is proposed in this paper.
从算法的实验类比分析可以看出,算法具有良好的抗隐写分析性能。
According to the analogical experimental results, this approach has good properties of avoiding detection.
采用SVD技术提取图像特征,构建特征向量和盲隐写分析判决函数。
Using the SVD technology, the features of the images were extracted, and the eigenvector was built.
对于隐写术的提取攻击是一种隐写分析,其目的是将隐藏消息提取出来。
The "extracting attack" on steganography is a kind of steganalysis, the purpose of which is to extract the hidden message.
测试数据表明该隐写分析方法具有较低的虚警率、漏报率和较小的均方误差。
Experimental results show the algorithm is more accurate than the conventional RS method, and has a lower missing error rate and false alarm rate.
分析了隐写系统和隐写分析的基本原理,提出了一种新的隐写载体—纠错编码。
In this paper, basic principle of steganographic systems was analyzed, then a new steganographic cover -error -correction code was presented.
文章对隐密文本与自然文本间的差异进行分析,提出一种新的文本隐写分析算法。
This paper analyzes the difference and puts forward a new detecting algorithm of text document information hiding.
提出了一种基于DCT(离散余弦变换)系数统计特性的JPEG图像隐写分析算法。
A steganalysis algorithm based on statistical characteristics of DCT (Discrete Cosine Transform) coefficients for JPEG (Joint Photographic Experts Group) image was proposed.
隐写分析是一种针对隐写算法的、以揭示数字媒体中秘密信息存在性为目的的攻击行为。
Steganalysis is a kind of attacking behavior against steganography algorithm, with the purpose to reveal the existence of secret message in the digital media.
提出了基于虚特征分解(IED)特征、针对抖动量化(PQ)隐写术的专用隐写分析方法。
We propose an IED (imaginary eigenvalue decomposition) based special diction algorithm for steganalysis of JPEGbased PQ (perturbed quantization) embedding.
作为信息安全技术的一个重要分支,隐写和隐写分析目前已成为信息技术领域的一大研究热点。
Now, as an important branch of information security, steganography and steganalysis become a hot spot of information technique field.
通过分析纹理复杂度对图像隐写分析的影响,提出一种基于纹理复杂度和像素差分的隐写算法。
According to the analysis on the effect of the texture complexity on steganalysis, the authors proposed a data hiding algorithm based on texture complexity and pixel-value difference.
对隐写术的攻击被称为“隐写分析”,目前,隐写分析的研究主要集中于检测隐蔽信息是否存在。
The attacks on steganography is referred as to steganalysis, study on which mainly concerns about detecting the existence of hidden information.
在大量实验的基础上,对几种典型的隐写分析算法做了分析与比较,指出它们的适用范围和检测效率。
On the basis of experiments, some typical steganalysis algorithm were compared and analyzed. Their scope of application and detecting efficiency were pointed out.
算法从位平面相关性的角度出发提取特征值,使用支持向量机作为分类器,对LSB匹配算法进行隐写分析。
From the perspective of bit plane correlation, this algorithm extracts features, USES support vector machine as a classifier to detect LSB matching.
为了提高针对混杂小样本集的MB 1隐写算法的检测率,提出了一种泛化能力较强的MB 1隐写分析方法。
To improve the detection rate of MB1 steganography based on noisy small sample sets, a steganalysis method with high generalizability is proposed.
介绍隐写分析的原理,给出隐写分析方法的四个评价指标,从隐写分析类型的角度给出图像隐写分析通用原型系统。
Steganalysis principle, gives four estimated values for steganalysis method and general prototype system of image steganalysis based on types of steganalysis from the view of warden are introduced.
详细说明:【卡方检测】了解什么是隐写分析;并考察对实验一中的LSB替换隐写的检测能力;讲述实验原理及方法。
[chi square test] to understand what is implicit analysis and investigate the experiment in the LSB replace the ability to detect implicit write about experimental principles and methods.
对BMP图象数据隐藏方法和JPEG图象数字隐写方法的实验结果表明,本文方法明显优于先前的图象通用隐写分析方法。
The experiments towards data hiding methods in BMP images and JPEG steganography images show that the proposed steganalysis scheme is obviously superior to the prior arts.
本文在深入研究BMP图像LSB隐写算法的基础上,在图像隐写分析中提出了游程检验算法并给出了算法原理和工程实现。
Based on research results of Least Significant Bit (LSB) steganography in BMP images, this paper describes a run length detecting algorithm and gives the principle and realization of algorithm.
实验结果表明:该方法比其他现有的隐写分析方法更有效,对PQ隐写术检测率超过70%,且该方法具有较好的盲检测性能。
Moreover, the proposed steganalyzer reaches a detection accuracy of over 70% for detecting PQ embedding, and has a better performance of blind detecting.
最简单最基本的方法是,使用统计分析技术执行隐写式密码解密。
In its simplest and most basic form, steganalysis is performed through the use of statistical analysis techniques.
实验结果表明,用该方案隐写所得到含密图像不仅在质量上优于其对应的JPEG压缩版本的质量,而且具有一定的抗分析安全性。
Experimental results show that the presented scheme can gain a stego-image which is superior to its JPEG version in quality, and possesses a capability of withstanding the statistical analysis.
从水印的通信模型建立,水印的相关检测模型,到信息隐藏容量分析,隐写术的安全性理论,详细介绍了水印的相关理论;
Theories related to watermark are introduced in detail, including communication model, related detection model, hiding information capacity analysis and security of steganography.
在此模型中,把错误概率和检测率作为失真约束,运用博弈论的方法分析了博弈双方在不同失真约束条件下的隐写容量。
Then the author give a proof of the hiding capacity under the condition of no attack, and discuss the characteristic of the model.
在此模型中,把错误概率和检测率作为失真约束,运用博弈论的方法分析了博弈双方在不同失真约束条件下的隐写容量。
Then the author give a proof of the hiding capacity under the condition of no attack, and discuss the characteristic of the model.
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