نتایج جستجو برای: blind steganalysis
تعداد نتایج: 84018 فیلتر نتایج به سال:
Steganalysis is the practice of identifying potential secret communication and taking appropriate action, such as deciphering to uncover hidden contents or destroying object containing information if it cannot be uncovered. At times, it’s very necessary perform due fact that steganography often misused by those with bad intentions, making a platform for criminal communication. This paper presen...
In this paper we present a new accurate steganalysis method for the LSBreplacement steganography. The suggested method is based on the changes that occur in thehistogram of an image after the embedding of data. Every pair of neighboring bins of ahistogram are either inter-related or unrelated depending on whether embedding of a bit ofdata in the image could affect both bins or not. We show that...
Techniques for information hiding have become increasingly more sophisticated and widespread. Steganalysis has recently received a great deal of attention both from law enforcement and the media. Attacks and analysis on hidden information may take several forms: detecting, extracting, and disabling or destroying hidden information. This paper provides wavelet based approach for image Steganalys...
In recent years there has been a noticeable growth in the quantity of available Steganography tools on the World Wide Web. Steganography may be used to hide messages within images and it is widely believed that terrorist organizations may be communicating through the use of steganography. With this in mind there is a need to detect hidden data using Steganalysis – the art of detecting messages ...
The goal of steganography is to insert a message into a carrier signal so that it cannot be detected by unintended recipients. Due to their widespread use and availability of bits that can be changed without perceptible damage of the original signal images, video, and audio are widespread carrier media. Steganalysis attempts to discover hidden signals in suspected carriers or at the least detec...
This paper summarizes the rst international challenge on steganalysis called BOSS (an acronym for Break Our Steganographic System). We explain the motivations behind the organization of the contest, its rules together with reasons for them, and the steganographic algorithm developed for the contest. Since the image databases created for the contest signi cantly in uenced the development of the ...
Pixel-value differencing (PVD) steganography generates step effects or abnormal high fluctuations in PVD histogram. Since steganalysis exploits these artifacts to defeat the PVD steganography, modified PVD (MPVD) steganography preserving the PVD histogram is recently presented. This paper proposes a novel steganalysis method, in which we embed message one more time into the suspicious image to ...
Steganography which facilitates covert communication creates a potential problem when misused for planning criminal activities. Its counter measure steganalysis is focused on detecting (the main goal of this research), tracking, extracting, and modifying secret messages transmitted through a subliminal channel. In this paper, a feature classification technique, based on the analysis of content ...
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