Lossless watermarking for image ratification: An implementation based on 12th root of exponential function

Abstract

In this article, an exponential transformation based digital image watermarking scheme has been described. The method is employed with 12th root of exponential function for embedding watermark into the cover image. Due to bulk data capacity of the image, many watermarking techniques uses more time for data insertion and separation processes. Algorithm is designed in such a way to embed a watermark of 1/16th size of host. The retrieved watermark is examined under various security analysis. Many standard test images are subjected for watermarking process under proposed scheme resulted with better scale and utilizes less computational time compared to other techniques.