Color Image Watermarking Scheme Based on Efficient Preprocessing and Support Vector Machines

  • Oğuz Fındık
  • Mehmet Bayrak
  • İsmail Babaoğlu
  • Emre Çomak
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 15)

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.

Keywords

Color image watermarking block based digital robust watermarking support vector machines intellectual property rights 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Oğuz Fındık
    • 1
  • Mehmet Bayrak
    • 2
  • İsmail Babaoğlu
    • 1
  • Emre Çomak
    • 1
  1. 1.Department of Computer EngineeringSelcuk UniversityKonyaTurkey
  2. 2.Department of Electrical and Electronics EngineeringSelcuk UniversityKonyaTurkey

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