Digital Watermarking: Technical Art of Hiding a Message

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Author(s): Rohit M. Thanki (C. U. Shah University, India)and Ashish M. Kothari (Atmiya Institute of Technology and Science, India)
Copyright: 2017
Pages: 36
Source title: Intelligent Analysis of Multimedia Information
Source Author(s)/Editor(s): Siddhartha Bhattacharyya (RCC Institute of Information Technology, India), Hrishikesh Bhaumik (RCC Institute of Information Technology, India), Sourav De (The University of Burdwan, India)and Goran Klepac (University College for Applied Computer Engineering Algebra, Croatia & Raiffeisenbank Austria, Croatia)
DOI: 10.4018/978-1-5225-0498-6.ch016

Keywords: Artificial Intelligence / Computer Science & IT / Information Science Reference / Multimedia Technology

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Abstract

Nowadays, Multimedia contents such as images, videos, e-books and texts are easy to available for download through internet in worldwide. Duplication of multimedia contents is to create using different software. This type of operation some time created problem of copyright and ownership authentication. Digital watermarking techniques are one of the solutions for providing protection to multimedia contents. This chapter gives various watermarking techniques in transform domain and sparse domain for protection of multimedia contents. This chapter has demonstrated various watermarking techniques such as Discrete Cosine Transform (DCT), Discrete Wavelet Transform (DWT), Singular Value Decomposition (SVD), Fast Discrete Curvelet Transform (FDCT), and CS theory based technique. All watermarking techniques can be applicable to every type of multimedia contents such as grayscale images or videos and color image or videos.

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