Abstract
This paper suggests a new block based watermarking technique utilizing preprocessing and support vector machine (PPSVMW) to protect color image’s intellectual property rights. Binary test set is employed here to train support vector machine (SVM). Before adding binary data into the original image, blocks have been separated into two parts to train SVM for better accuracy. Watermark’s 1 valued bits were randomly added into the first block part and 0 into the second block part. Watermark is embedded by modifying the blue channel pixel value in the middle of each block so that watermarked image could be composed. SVM was trained with set-bits and three other features which are averages of the differences of pixels in three distinct shapes extracted from each block, and hence without the need of original image, it could be extracted. The results of PPSVMW technique proposed in this study were compared with those of the Tsai’s technique. Our technique was proved to be more efficient.
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Fındık, O., Bayrak, M., Babaoğlu, İ., Çomak, E. (2008). Color Image Watermarking Scheme Based on Efficient Preprocessing and Support Vector Machines. In: Huang, DS., Wunsch, D.C., Levine, D.S., Jo, KH. (eds) Advanced Intelligent Computing Theories and Applications. With Aspects of Contemporary Intelligent Computing Techniques. ICIC 2008. Communications in Computer and Information Science, vol 15. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85930-7_51
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DOI: https://doi.org/10.1007/978-3-540-85930-7_51
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