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Published in:
2006 | OriginalPaper | Chapter
Multichannel Color Image Watermarking Using PCA Eigenimages
Authors : Kazuyoshi Miyara, Thai Duy Hien, Hanane Harrak, Yasunori Nagata, Zensho Nakao
Published in: Intelligent Information Processing and Web Mining
Publisher: Springer Berlin Heidelberg
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In the field of image watermarking, research has been mainly focused on gray image watermarking, whereas the extension to the color case is usually accomplished by marking the image luminance, or by processing color channels separately. In this paper we propose a new digital watermarking method of three bands RGB color images based on Principal Component Analysis (PCA). This research, which is an extension of our earlier work, consists of embedding the same digital watermark into three RGB channels of the color image based on PCA eigenimages. We evaluated the effectiveness of the method against some watermark attacks. Experimental results show that the performance of the proposed method against most prominent attacks is good.