Analysis of Watermarking Techniques

Analysis of Multimedia Watermarking Techniques

Multimedia system has been grown in recent time exponentially. With that, illegal uses of digital data (image, audio and video) have also been increased. When digital data is communicated instances of unauthorized users are increasing, day by day. The amount, by which this original data has been used due to malfunction attack, is determined. To protect this multimedia content digital watermarki...

Analysis of Attacks on Common Watermarking Techniques

Watermarking is a technique that is used in copyright–protection for valuable medias. Watermarking is measured by four quantities: capacity, security, robustness, and imperceptibility. In this study, robustness of five watermarking algorithms will be assessed. The study will also lightly touch on imperceptibility characteristics of the algorithms. The five algorithms are CDMA Spatial Domain Spr...

Comparative Analysis of Normalization based Image Watermarking Techniques

Implementation & Performance Analysis of Various Digital Watermarking Techniques

The digitization of the information has revolutionized the daily lives of the peoples in this world. The many advantages of digital information have also generated new challenges and new opportunities for innovation. This thesis discusses the issues regarding data hiding and its application to multimedia security and communication, addressing both theoretical and practical aspects, and tackling...

Comparative Analysis of Normalization based Image Watermarking Techniques

This paper presents a comparative study of watermarking schemes. The embedding of watermark is performed after the image normalization. By normalization process the normalized image achieves invariance properties against geometric attacks which include rotation, scaling and translation of an image. Watermarking is done using five methods DCT Zigzag, DCT blocks, DWT, Zernike transform, SVD-DCT. ...