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is the hiding of a secret message within an ordinary message and the extraction of it at its destination. Steganography is data hidden within data. Steganography is an encryption technique that can be used along with cryptography as an extra-secure method in which to protect data. Steganography techniques can be applied to images, a video file or an audio file. Steganography is the science of hiding information. Whereas the goal of cryptography is to make data unreadable by a third party, the goal of steganography is to hide the data from a third party. In this article, I will discuss what steganography is, what purposes it serves, and will provide an example using available software.

An overview of image steganography .
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Abstract: Steganography is the art of hiding the fact that communication is taking place, by hiding information in other information. Many different carrier file formats can be used, but digital images are the most popular because of their frequency on the Internet. For hiding

Some notes on steganography
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Abstract. This essay presents some observations concerning low rate steganography in images where the amount of covert information is below one bit per pixel. This discussion is restricted to paletted images, such as color GIF pictures. Much of this essay is relevant to

A DWT based approach for image steganography
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Abstract: In this paper we propose a new steganography technique which embeds the secret messagesinfrequencydomain. Accordingtodifferentusers demandsontheembeddingcapacity and image quality, the proposed algorithm is divided into two modes and 5 cases. Unlike the

A survey on image steganography and steganalysis
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Abstract. Steganography and steganalysis are important topics in information hiding. Steganography refers to the technology of hiding data into digital media without drawing any suspicion, while steganalysis is the art of detecting the presence of steganography . This

Steganography and steganalysis
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Steganography coming from the Greek words stegos, meaning roof or covered and graphia which means writing, is the art and science of hiding the fact that communication is taking place. Using steganography you can embed a secret message inside a piece of

Hiding a large amount of data with high security using steganography algorithm
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Abstract: This study deals with constructing and implementing new algorithm based on hiding a large amount of data (image, audio, text) file into color BMP image. We have been used adaptive image filtering and adaptive image segmentation with bits replacement on the

Steganographythe art of hiding data
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Abstract: Given the shear volume of data stored and transmitted electronically in the world today, it is no surprise that countless methods of protecting such data have evolved. One lesser-known but rapidly growing method is steganography the art and science of hiding

A new method in image steganography with improved image quality
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Abstract Steganography is a Greek origin word which means hidden writing . Steganography word is classified into two parts: Steganos which means secret or covered (where you want to hide the secret messages) and the graphic which means

Information hiding using audio steganography a survey
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ABSTRACT Todays large demand of internet applications requires data to be transmitted in a secure manner. Data transmission in public communication system is not secure because of interception and improper manipulation by eavesdropper. So the attractive solution for this

A secure steganography method based on genetic algorithm
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Abstract. With the extensive application of steganography it is challenged by steganalysis. The most notable steganalysis algorithm is the RS attack which detects the steg-message by the statistic analysis of pixel values. To ensure the security against the RS analysis, we

Pixel indicator technique for RGB image steganography
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Abstract Image based steganography utilize the images as cover media to hide secret data. The common technique used in this field replaces the least significant bits (LSB) of image pixels with intended secret bits. Several improvements to enhance the security of the

Hiding behind corners: Using edges in images for better steganography
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ABSTRACT Digital steganography involves taking an electronic file and hiding it inside another electronic file. Current digital techniques do not tend to take the cover (what the message is hidden in) into account, and thus leave telltale marks on the stego-object (what

Implementation of LSB steganography and its evaluation for various file formats
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-ABSTRACT - - Steganography is derived from the Greek word steganos which literally means Covered and graphy means Writing , ie covered writing. Steganography refers to

A tutorial review on steganography
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ABSTRACT The growth of high speed computer networks and that of the Internet, in particular, has increased the ease of Information Communication. Ironically, the cause for the development is also of the apprehension-use of digital formatted data. In comparison

Information hiding: A new approach in text steganography
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Abstract:-Sending encrypted messages frequently will draw the attention of third parties, ie crackers and hackers, perhaps causing attempts to break and reveal the original messages. In a digital world, steganography is introduced to hide the existence of the communication by

Practical Internet steganography : data hiding in IP
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Abstract This paper investigates practical techniques and uses of Internet steganography . Internet steganography is the exploitation of Internet elements and protocols for the purpose of covertly communicating supplementary data. Each scenario facilitates the interaction of

Image steganography techniques: an overview
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Abstract Steganography is one of the methods used for the hidden exchange of information and it can be defined as the study of invisible communication that usually deals with the ways of hiding the existence of the communicated message. In this way, if successfully it is

A new steganography approach for images encryption exchange by using the least significant bit insertion
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Summary A new steganography approach for data hiding is proposed. This approach uses the Least Significant Bits (LSB) insertion to hide data within encrypted image data. The binary representation of the hidden data is used to overwrite the LSB of each byte within the

High capacity image steganography using wavelet transform and genetic algorithm
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Abstract This paper presents the application of Wavelet Transform and Genetic Algorithm in a novel steganography scheme. We employ a genetic algorithm based mapping function to embed data in Discrete Wavelet Transform coefficients in 4x4 blocks on the cover image.

An introduction to steganography methods
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Abstract: In this paper, we are going to introduce different types of steganography considering the cover data. As the first step, we will talk about text steganography and investigate its details. Then, image steganography and its techniques will be investigated.

High capacity and security steganography using discrete wavelet transform
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Abstract The secure data transmission over internet is achieved using Steganography . In this paper High Capacity and Security Steganography using Discrete wavelet transform (HCSSD) is proposed. The wavelet coefficients of both the cover and payload are fused into

Image steganography using LSB and edge detection technique
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Abstract- Steganography is the technique of hiding the fact that communication is taking place, by hiding data in other data. Many different carrier file formats can be used, but digital images are the most popular because of their frequency on the Internet. For hiding secret

Hash based least significant bit technique for video steganography (HLSB)
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ABSTRACT Video Steganography deals with hiding secret data or information within a video. In this paper, a hash based least significant bit (LSB) technique has been proposed. A spatial domain technique where the secret information is embedded in the LSB of the cover

Enhanced least significant bit algorithm for image steganography
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Abstract The rapid development of data transfer through internet has made it easier to send the data accurate and faster to the destination, but in order to transfer the data securely to the destination without any modifications, there are many approaches like steganography .

Two new approaches for secured image steganography using cryptographic techniques and type conversions
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ABSTRACT The science of securing a data by encryption is Cryptography whereas the method of hiding secret messages in other messages is Steganography so that the secrets very existence is concealed. The term Steganography describes the method of hiding

A discussion of covert channels and steganography
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Abstract: For those whose task it is to assure security, electronic communication without scrutiny that can continue between parties trying to circumvent a security policy poses a risk. This is true whether the parties are individuals with malicious intent or processes with

A genetic-algorithm-based approach for audio steganography
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Abstract In this paper, we present a novel, principled approach to resolve the remained problems of substitution technique of audio steganography . Using the proposed genetic algorithm, message bits are embedded into multiple, vague and higher LSB layers, resulting

An improved method for steganography on mobile phone.
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Abstract-In this paper I introduce an improved method for hiding data in images or steganography . This method is used for secure data transfer from a computer to mobile phones. In this method a message can hide in an image on a PC using a password. The

Increasing Robustness of LSB Audio Steganography by Reduced Distortion LSB Coding.
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Abstract: In this paper, we present a novel high bit rate LSB audio watermarking method that reduces embedding distortion of the host audio. Using the proposed two-step algorithm, watermark bits are embedded into higher LSB layers, resulting in increased robustness

Colour image steganography based on pixel value differencing in spatial domain
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ABSTRACT In a color image every pixel value composed of red, green and blue component and each of which ranges from 0 to 255 in case of 8-bit representation. In this paper, we have used pixel value differencing (PVD) method for secret data embedding in each of the

Image steganography by mapping pixels to letters
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Abstract: Problem statement: Steganography hides the very existence of a message so that if successful it generally attracts no suspicion at all. Using steganography information can be hidden in carriers such as images, audio files, text files, videos and data transmissions. In

A novel image steganography method with adaptive number of least significant bits modification based on private stego-keys
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Abstract To enhance the embedding capacity of image steganography and provide an imperceptible stego-image for human vision, a novel adaptive number of least significant bits substitution method with private stego-key based on gray-level ranges are proposed in

A secure image steganography based on RSA algorithm and hash-LSB Technique
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Abstract Steganography is a method of hiding secret messages in a cover object while communication takes place between sender and receiver. Security of confidential information has always been a major issue from the past times to the present time. It has

Video steganography by LSB substitution using different polynomial equations
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Abstract: Video Steganography is a technique to hide any kind of files into a carrying Video file. The use of the video based Steganography can be more eligible than other multimedia files, because of its size and memory requirements. The least significant bit (LSB) insertion is

Steganography using BPCS to the integer wavelet transformed image
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ABSTRACT Digital steganography exploits the use of a host data to hide a piece of information in such a way it is imperceptible to a human observer. In this paper we propose an image steganography system, in which the data hiding (embedding) is realized in bit

Arabic text steganography using kashida extensions with huffman code. J
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Abstract: In this study, a text steganography technique suitable for Arabic texts is proposed, together with its implementation. This technique hides information by inserting extension characters (Kashida) at suitable word positions. We insert extension character in a word

Evaluation of various LSB based methods of image steganography on GIF file format
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ABSTRACT Steganography is the art of hiding the fact that communication is taking place, by hiding information in other information. Many different carrier file formats can be used, but digital images are the most popular because of their frequency on the Internet. There have

Text steganography : a novel approach
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Abstract In this paper, a security model is proposed which imposes the concept of secrecy over privacy for text messages. In the recent years, we have plenty of security tools which are developed to protect the transmission of multimedia objects. But approaches for the

Audio steganography : A survey on recent approaches
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Abstract: In this study, we will have a survey on audio steganography recent researches. Due to it, some basic concepts of audio steganography and HAS including Least Significant Bit (LSB) Coding, Parity Coding, Phase Coding, Spread Spectrum (SS) and Echo data

A proposed method for Image Steganography using Edge Detection
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Abstract: In this paper, we proposed a technique to hide the text data into the color images using edge detection method. The alteration in edges cannot be distinguished well so edges can hide more data without losing quality of an image. In this technique, Edges of an image

Bit length replacement steganography based on dct coefficients
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Abstract: Steganography is a means of establishing secret communication through public channel in an artistic manner. In this paper, we propose Bit Length Replacement Steganography Based on DCT Coefficients (BLSDCT). The cover image is segmented into

Biometrics security using steganography
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Abstract A biometric system is at risk to a variety of attacks. These attacks are intended to either avoid the security afforded by the system or to put off the normal functioning of the system. Various risks have been discovered while using biometric system. Proper use of

Steganography in TCP/IP networks
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Page 1. Steganography in TCP/IP Networks. State of the Art and a Proposal of a New System HICCUPS Krzysztof Szczypiorski Warsaw University of Technology, Poland Institute of Telecommunications Warsaw, November 4th, 2003 Page 2. Krzysztof Szczypiorski

Secure RGB image steganography from pixel indicator to triple algorithm-an incremental growth
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Abstract Steganography is the art of hiding the fact that communication is taking place, by hiding information in other information. In this paper we have investigate two methods of RGB image steganography one is pixel indicator technique and other is triple-A algorithem.

Whitesteg: a new scheme in information hiding using text steganography
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Abstract:-Sending encrypted messages frequently will draw the attention of third parties, ie crackers and hackers, perhaps causing attempts to break and reveal the original messages. In this digital world, steganography is introduced to hide the existence of the communication

Blind Steganography detection using a computational immune system: A work in progress
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Abstract Research in steganalysis is motivated by the concern that communications associated with illicit activity could be hidden in seemingly innocent electronic transactions. By developing defensive tools before steganographic communication grows, computer

A Novel Approach to RGB Channel Based Image Steganography Technique.
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Abstract: A novel approach to RGB channel based steganography technique is proposed. The RSA algorithm is used for encryption and decryption. In an RGB image, each pixel (24 bits) is having R channel 8 bits, G channel 8 bits and B channel 8 bits. The image is

Digital steganography
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Background The Data Encryption Standard (DES)[] has been around for more than years. During this time, the standard was revised three times: as FIPS-- in, as FIPS-- in, and as FIPS-- in. DES was an outcome of a call for

A new approach to hide text in images using steganography
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Abstract In this paper, we have proposed a new steganographic algorithm that is used to hide text file inside an image. In order to increase/maximize the storage capacity we have used a compression algorithm that compresses the data to be embedded. The compression

Using integer wavelet transforms in colored image steganography
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Abstract: Digital Steganography exploits the use of a host data to hide a piece of information in such a way that it is imperceptible to a human observer. Wavelet transforms that map integers to integers allow perfect reconstruction of the original image. Hence, we proposed

Steganographytime to time: A review
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ABSTRACT It is time to wrap up the old stories of covert communication. As time goes by, we are updating in each and everything in what we do, want and utilize. Communication and technology are not exceptions. Although they go hand in hand, Internet aficionados often

Inverted pattern in inverted time domain for icon steganography
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Abstract: Information technologies and communications have pervaded our homes and business places. No matter how well-organized and extensive the communication technology is there are always loop holes in the network and people who seek after the

A compressed video steganography using TPVD
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Abstract Steganography is the art of hiding information in ways that avert the revealing of hiding messages. This paper proposes a new Compressed Video Steganographic scheme. In this algorithm, data hiding operations are executed entirely in the compressed domain.

Steganography Techniques A Review Paper
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Abstract Steganography is defined as the study of invisible communication. Steganography usually deals with the ways of hiding the existence of the communicated data in such a way that it remains confidential. It maintains secrecy between two

A steganography implementation based on LSB DCT
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Abstract In recent years, Steganography and Steganalysis are two important areas of research that involve a number of applications. These two areas of research are important especially when reliable and secure information exchange is required. Steganography is an

An overview of steganography
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ABSTRACT Steganography is a useful tool that allows covert transmission of information over an overt communications channel. Combining covert channel exploitation with the encryption methods of substitution ciphers and/or one time pad cryptography,

Steganography and its Applications in Security
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ABSTRACT: Steganography is the dark cousin of cryptography, the use of codes. While cryptography provides privacy, steganography is intended to provide secrecy. Steganography is a method of covertly communicating. Steganography is a process that

Knots of substitution techniques of audio steganography
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Abstract. This paper sets the main focus on the evaluation of transparency, robustness and capacity of the embedding function of Substitution Techniques of digital audio steganography algorithms. Lots of steganography techniques have been described in this

EVALUATION OF STEGANOGRAPHY FOR URDU/ARABIC TEXT.
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ABSTRACT Establishing hidden communication and conveying information secretly has been of interest since long past ago. One of the methods introduced for establishing hidden communication is steganography . Methods of steganography have been mostly applied on
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