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 paper provides a survey on steganography and steganalysis for digital images, mainly covering the fundamental concepts, the progress of ste...

Steganography is an information security approach used to hide messages inside suitable covers in such a way that it is not known to attackers. The cover files may be any digital data including Image or Audio files. For steganography several methods exists where each of them has some advantages and disadvantages. Steganographic applications have varying requirements depending upon the steganogr...

Steganography is one of the methods used for secret communication. Steganography attempts to hide the existence of the information. The object used to hide the secret information is called as cover object. Images are the most popular cover objects used for steganography. Different techniques have to be used for color image steganography and grey scale image steganography since they are stored i...

Steganography is the technique of hiding confidential information within any media. Steganography is often confused with cryptography because the two are similar in the way that they both are used to protect confidential information. The difference between the two is in the appearance in the processed output; the output of steganography operation is not apparently visible but in cryptography th...

In image steganography, a pixel can carry secret bits by choosing adding/subtracting one to/from the gray value. This kind of “ 1 steganography” can hide a longer message than simple LSB embedding. We propose a double-layered embedding method for implementing “ 1 steganography,” in which binary covering codes and wet paper codes are used to hide messages in the LSB plane and the second LSB plan...

Data hiding has received much attention due to rapid development of internet and multimedia technologies where security of information is a very important concern. This is achieved by Steganography, which is the art or science of hiding data into another data, so that human eyes cannot catch the hidden information easily. There are many ways to hide information-like inside an image, text, audio...

-Information Hiding is a method of hiding secret messages into a cover-media such that an intended observer will not be aware of the existence of hidden messages. In such applications various file formats are used as cover-object which contains confidential data. Steganography provide security and make safe the data of very important significance. Video Steganography is the technique of hiding ...

The demand for effective information security schemes is increasing day by day with the exponential growth of Internet. Cryptography and Steganography are the two popular techniques for secret communication. The contents of message are kept secret in cryptography, where as in steganography the message is embedded into the cover image (text, video and image (pay load)). In this proposed system w...

 Abstract— The art of steganography is used to hide the relationship and secret messages between sender and receiver for the sake of information security in communication networks. Capacity, imperceptibility and robustness are three important pillars of steganography requirements. Increasing each of these factors in steganography may result in decreasing the other factors. Optimization methods...