Abstract
Huge development in communication, innovation and utilization of web has significantly eased exchange of information and the cautioning of prohibited information access is expanding along with it. Due to huge number of the redundant bits, images have become favourable carrier for data hiding technique. The evolution in image steganography had put forward many security ventures such as unofficial data transmission, commercial spy, and terrorist activities. To address this issue, researchers begun to develop mechanisms that can detect the presence of a secret message. Image steganalysis is a counter-measure to image steganography, which starts perceiving what exists inside the transmitted source document. This paper discusses the different methods for Bio-Universal steganalysis proposed by researchers. This paper examines the numerous researchers’ contributions to the field of Universal real time steganalysis.
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