Tamper detection and authentication in JPEG 2000 images using Chaotic watermarking scheme

This paper presents a novel algorithm based on Chaotic sequences that embeds authentication information into color JPEG 2000 images. The algorithm uses low frequency coefficients on to which the authentication information is embedded by means of sequences generated from a chaotic machine which essentially depends on the initial conditions. This fragile algorithm allows detection and identification of any alterations or damage done to the copyrighted image. Simulation results shown that the algorithm effectively counters the illegal tampering and piracy of copyrighted color JPEG 2000 images.