Markov bidirectional transfer matrix for detecting LSB speech steganography with low embedding rates

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Detecting Low Embedding Rates

This paper shows three approaches for detecting steganograms with low change density. MP3Stego is a steganographic algorithm with a very low embedding rate. The attack presented here is a statistical analysis of block sizes. It is able to detect 0.001 % of steganographic payload in MP3 files. The second approach is the use of hash functions to combine sample categories for the chi-square attack...

متن کامل

Detecting LSB Steganography in Images

In this paper, we present techniques to detect Least Significant Bit (LSB) steganography for images. Here, images can be hidden inside lower bits of the pixels of the cover image. We use image statistics to detect two cases when hidden image is stored as one big chunk (Simple Mode) or spread out(Shuffle Mode). The results are presented on a synthetically generated database of around 350 stegano...

متن کامل

StegExpose - A Tool for Detecting LSB Steganography

Steganalysis tools play an important part in saving time and providing new angles of attack for forensic analysts. StegExpose is a solution designed for use in the real world, and is able to analyse images for LSB steganography in bulk using proven attacks in a time efficient manner. When steganalytic methods are combined intelligently, they are able generate even more accurate results. This is...

متن کامل

Lsb Steganography with Improved Embedding Efficiency and Undetectability

In this paper, we propose a new method of non-adaptive LSB steganography in still images to improve the embedding efficiency from 2 to 8/3 random bits per one embedding change even for the embedding rate of 1 bit per pixel. The method takes 2-bits of the secret message at a time and compares them to the LSBs of the two chosen pixel values for embedding, it always assumes a single mismatch betwe...

متن کامل

Image Steganography for Data Embedding & Extraction using LSB Technique

Security is the main concern in today’s world due to the rapid growth of information technology. In this research work, the steganographic is the method or process in which the useful information or data, concealing into another form such as image, text, audio and video. The main concern in this work is to provide the confidentiality, availability, integrity and authenticity of information. In ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Multimedia Tools and Applications

سال: 2018

ISSN: 1380-7501,1573-7721

DOI: 10.1007/s11042-017-5505-0