A Robust Digital Watermarking Of Satellite Image at Third Level DWT Decomposition Source：International Conference on Computational Intelligence and Multimedia.

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Presentation transcript:

A Robust Digital Watermarking Of Satellite Image at Third Level DWT Decomposition Source：International Conference on Computational Intelligence and Multimedia Applications 2007, Dec. 2007, pp. 78-82 Author：K.Anusudha, A.Sangeetha, and S.Ayeswarya Reporter：Ching-Chih Cheng 2019/7/9

Outline Introduction Proposed scheme Experimental Results Conclusions 2019/7/9

Introduction Original Image Highlighted Region of Interest Watermark 2019/7/9

Proposed scheme (1/2) Watermark Insertion G(x,y) 600*363 H(x,y) 100*100 watermark I(x,y) 10*10 H(x,y) 3-leve DWT 2019/7/9 12.5*12.5=156.25 > 100

Proposed scheme (2/2) Watermark Extraction = 2019/7/9

Experimental Results (1/2) 2019/7/9

Experimental Results (2/2) 2019/7/9

Conclusions propose a Region of Interest Watermarking algorithm for copyright protection of satellite images provide high security to the copyright information prevent access from unauthorised users 2019/7/9