Journal of Information Processing Systems

  • 제12권4호
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  • Pages.681-687
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  • 2016
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  • 1976-913X(pISSN)
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  • 2092-805X(eISSN)
한국정보처리학회 (Korea Information Processing Society)
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A Novel DWT-SVD Canny-Based Watermarking Using a Modified Torus Technique

  • Lalani, Salima (Dept. of Computer Science and Engineering, Shri Guru Gobind Singhji Institute of Engineering and Technology) ;
  • Doye, D.D. (Dept. of Electronics and Telecommunication Engineering, Shri Guru Gobind Singhji Institute of Engineering & Technology)
  • 투고 : 2015.01.14
  • 심사 : 2015.08.05
  • 발행 : 2016.12.31
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초록

Today's modern world requires a digital watermarking technique that takes the redundancy of an image into consideration for embedding a watermark. The novel algorithm used in this paper takes into consideration the redundancies of spatial domain and wavelet domain for embedding a watermark. Also, the cryptography-based secret key makes the algorithm difficult to hack and help protect ownership. Watermarking is blind, as it does not require the original image. Few coefficient matrices and secret keys are essential to retrieve the original watermark, which makes it redundant to various intentional attacks. The proposed technique resolves the challenge of optimizing transparency and robustness using a Canny-based edge detector technique. Improvements in the transparency of the cover image can be seen in the computed PSNR value, which is 44.20 dB.

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참고문헌

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