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Digital Image Watermarking Resilient to Local Desynchronization Attacks


Mahesh R. Shimpi , SPCOE, Pune; Dr. S. V. Gumaste, SPCOE, Pune


Digital Image Watermarking, Steganography, Discrete Wavelet Transform, Haar Wavelet Transform, Single Valued Decomposition, Discrete Cosine transform, Binary Image


New opportunities have been explored in social, business, entertainment and scientific fields due to the development of high speed computer networks and that of, internet in particular. Absurdly, the cause for the development is apprehensive because of the use of digital formatted data. Digital media has several advantages over analog media such as easy editing high fidelity copying and high quality. Software products which hide information within digital audio, images and video files have been introduced to address these growing concerns. Digital watermarking is one of the data hiding techniques. The watermarking is the process of embedding a signal in to other signal robustly and invisibly at the same time, the embedded signal is called watermark and the other signal is called cover or host signal. In this paper we are presents a brief overview of digital image watermarking techniques in time and transform domain, advantages of transform (frequency) domain over time domain techniques and proposed a watermarking algorithm in transform domain by using the discrete wavelet transform.

Other Details

Paper ID: IJSRDV3I31332
Published in: Volume : 3, Issue : 3
Publication Date: 01/06/2015
Page(s): 3295-3299

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