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Digital Watermarking Methods in Spatial Domain and Transform Domain


Dhruv Dave , KSV University, Gandhinagar, India; Nilay B. Mistry, KSV University, Gandhinagar, India


Digital watermarking, LSB, DCT, DWT


The ease of digital media modification and dissemination necessitates content protection beyond encryption. Information hidden as digital watermarks in multimedia i.e. text, image, video, audio enables protection mechanism in decrypted contents. In a way that protects from attacks several common image processing techniques are used in Spatial Domain and Transform Domain. In Spatial Domain Least Significant Bit(LSB) is used and in Transform domain Discrete Cosine Transform(DCT) & Discrete Wavelet Transform(DWT) are used. Among these DWT is best method due because of using embedded zero tree wavelet image compression scheme and high frequency sub bands.

Other Details

Paper ID: IJSRDV1I10023
Published in: Volume : 1, Issue : 10
Publication Date: 01/01/2014
Page(s): 2141-2144

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