A Performance Evaluation of Jpeg Steganography Techniques

With the rapid application growing of internet and wireless network, information security becomes significant to protect commerce secret and personal privacy. Steganography plays crucial role for information security guarantee. There have been number of steganography embedding techniques proposed over last few years. In this paper, our goal is to evaluate number of JPEG steganography techniques proposed in the literature. Experiment are done on large sets of images for two most important aspects of steganography system i.e imperceptibility and the capacity of stego image and results show that Outguess and F5 are most reliable techniques among universal JPEG steganography techniques. Keywords-steganography: JPEG Compression; Steganalysis; Jsteg; F5; Outguess; Matrix encoding; quantization.