2013 3rd IEEE International Advance Computing Conference (IACC) 2013
DOI: 10.1109/iadcc.2013.6514380
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Digital watermarking using DWT and DES

Abstract: The digital data are transmitted using the Internet. So digital data must be secure, copyright protected, and authenticated at the same time. This paper proposes an algorithm to protect digital data by embedding watermark that is encrypted by DES algorithm. Two level discrete wavelet transformation (DWT) is applied to the original image. This ensure robustness of the proposed scheme. DES encryption to the watermark with a key and iterating operations ensure security of the watermark information. Encryption and… Show more

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Cited by 22 publications
(8 citation statements)
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“…In the second category, the pixel values (or colour levels) are replaced by other values according to some keyed transformation agreed upon between the communicating parties before transmission. In the last category, an image is used as a key or watermarking techniques are employed in encryption (Tiwari et al, 2013).…”
Section: Related Workmentioning
confidence: 99%
“…In the second category, the pixel values (or colour levels) are replaced by other values according to some keyed transformation agreed upon between the communicating parties before transmission. In the last category, an image is used as a key or watermarking techniques are employed in encryption (Tiwari et al, 2013).…”
Section: Related Workmentioning
confidence: 99%
“…Consequentemente, problemas relacionados à segurança de dados tem recebido considerável atenção por diversos setores da sociedade. Alguns desses problemas são a garantia da propriedade intelectual, autenticidade e integridade dos dados digitais [2] [3]. Uma solução potencial para superar o problema é a autenticação dos dados por meio da inclusão de um código identicador, a marca d'água, como nome ou assinatura do autor, logotipo de uma empresa, números de série etc.…”
Section: Introductionunclassified
“…Uma solução potencial para superar o problema é a autenticação dos dados por meio da inclusão de um código identicador, a marca d'água, como nome ou assinatura do autor, logotipo de uma empresa, números de série etc. em um documento digital [3] [4]. Em geral, a marca d'água é comumente empregada no domínio espacial e no domínio das transformadas, onde destaca-se Transformada Discreta do Cosseno (DCT, do inglês, Discrete Cosine Transform), Transformada Discreta de Fourier (DFT, do inglês, Discrete Fourier Transform) e Transformada Discreta Wavelet (DWT, do inglês, Discrete Wavelet Transform).…”
Section: Introductionunclassified
“…Digital watermarking is a method used to improve the ownership over image by replacing low level signal directly into image. Digital watermarking method is also used for the tamper proofing and authentication [2].…”
Section: Introductionmentioning
confidence: 99%