Digital image watermarking method in multi level DWT
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Date
2008
Authors
Aydın, Sebile
Memiş, Merve
Elbaşı, Ersin
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Open Access Color
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Abstract
Yayın haklarını korumak amacıyla kullanılan damgalama
metodunda damga; logo, imge veya yazı şeklinde olabilir.
Özellikle ikili (binary) logo şeklindeki damgalarla yapılan
damgalama, oldukça çalışılmış ve iyi sonuçlar vermiş bir
alandır. Bu çalışmada daha çok küçük puntolarla yazılmış bir
yazının fotoğraf şeklinde renkli imgelere damgalanması
yapılmıştır. Ayrık Dalgalı Dönüşüm (Discrete Wavelet
Transform) alanında, iki ve daha fazla bölünmeyle damga
parçalarının farklı bantlara saklanmasıyla yapılan bu
çalışma,hem yayın hakkını korumak, hem de bilgi saklamak
açısından oldukça başarılı sonuçlar vermektedir.
Watermarking is used for copyright protection using logo, image, stamp and text as a watermark. Recently, especially embedding binary image to color images has been worked alot and gave very promising results. In this work, we used text with small size characters and embed to color image as an image. We used Discrete Wavelet Transform to embed partions of watermark to different frequency bants of cover image in two or more level decomposition, that is very useful in both copyright protection and information hiding. After common attacks we have got very promising results.
Watermarking is used for copyright protection using logo, image, stamp and text as a watermark. Recently, especially embedding binary image to color images has been worked alot and gave very promising results. In this work, we used text with small size characters and embed to color image as an image. We used Discrete Wavelet Transform to embed partions of watermark to different frequency bants of cover image in two or more level decomposition, that is very useful in both copyright protection and information hiding. After common attacks we have got very promising results.
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Citation
Aydın, Sebile; Memiş, Merve; Elbaşı, Ersin. "Digital image watermarking method in multi level DWT", IEEE 16th Signal Processing, Communication and Applications Conference, 2008.
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IEEE 16th Signal Processing, Communication and Applications Conference