Digital watermark
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A Gui Model for the Encryption and Decryption of an Image
Abstract: Digital watermarking is the processing of combined information into a digital signal. A watermark is a secondary image, which is overlaid on the host image, and provides a means of protecting the image. It acts as a digital signature, giving the image a sense of ownership or authenticity. Digital watermarking technique is very impressive for image authentication or protection for attacks. This paper proposes a separable reversible data hiding in …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 3, 2015 · pp. 47–54 Read article
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Digital Image Watermarking using Discrete Cosine Transform
Abstract: Digital image processing is a growing field. Digital image processing operations are mainly divided into three major categories: Image enhancement, Image compression and Image segmentation. Digital Watermarking comes under image segmentation. The present paper proposes the technique for the digital watermarking for digital multimedia. The growth in e-world which is coupled with computer network, world wide web and more over exponential advancement in computer performance. All these technologies has facilitated …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 1, Issue 2, 2013 · pp. 17–22 Read article