Digital Image Watermarking- An Overview
Abstract
With the growth in the information technology and the sharing of digital data over the internet the electronic publishing is becoming more popular. These improvements in the computer technologies increase the problems of copyright and ownership. Digital watermarking has emerged as an answer to this problem. In the initial part of this paper there is information about the watermarking and then there is classification of different types of watermarking. At the end is given the parameters on which we can conclude which watermarking technique is best.
Keywords
Watermarking; Spatial domain watermarking; Frequency Domain Watermarking; LSB; DFT; DCT ; DWT; SVD; MSE; PSNR; BER
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PDFCopyright (c) 2015 Ramandeep Singh
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