An Overview of Different Type of Data Hiding Scheme in Image using Steganographic Techniques
نویسندگان
چکیده
Steganography is hiding the secret data into a cover object to protect it from unauthorized access. It is a technique of invisible communication which hides the existence of the message. If the cover object used is an image, the steganography is known as image steganography. It has many applications like Online transactions, military communication etc. In this paper we are discussing Existing important image steganography techniques like Least Significant Bit (LSB), Pixel Value Differencing (PVD), and Modified Kekre Algorithm (MKA) etc.
منابع مشابه
Data Hiding via Steganographic Image Transformation
This paper presents a new data hiding scheme via steganographic image transformation, which is different from conventional data hiding techniques. The transformation is achieved in the frequency domain and the concept of Fourier filtering method is used. An input image is transformed into a fractal image, which can be used in Computer Graphic (CG) applications. One of the main advantages of thi...
متن کاملA Survey on Digital Image Steganographic Methods
Many approaches and techniques are available in the literature for information hiding. Figure 1 shows a generic embedding and extracting scheme. The inputs to the embedding scheme are the hiding message, the cover data and an optional public or secret key K. The output is stego data, also called stego object. Inputs to the generic extracting scheme are the tested data, the secret or public key,...
متن کاملData Hiding Method Based on Graph Coloring and Pixel Block‘s Correlation in Color Image
An optimized method for data hiding into a digital color image in spatial domainis provided. The graph coloring theory with different color numbers is applied. To enhance thesecurity of this method, block correlations method in an image is used. Experimental results showthat with the same PSNR, the capacity is improved by %8, and also security has increased in themethod compared with other meth...
متن کاملAn overview of image steganography
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 secret information in images, there exists a large variety of steganographic techniques some are more complex than others and all...
متن کاملImage Steganography
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 secret information in images, there exists a large variety of steganographic techniques some are more complex than others and all...
متن کامل