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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Tamper Localization In Wavelet Domain Using Semi-Fragile Watermarking
  Sandipbhai Mangroliya,  Ketki Pathak

This paper proposes a novel image authentication scheme in the DWT domain. The scheme uses a semi-fragile watermark to detect and precisely locate malicious tampering region in images. The wavelet coefficients selected for embedding are randomly permuted with a secret key, achieving high security. A bit of the watermark is embedded in a group of coefficients by means of quantization. The experimental results show, that our algorithm achieves good image quality and high tampering detection resolution at a low watermark payload, compared to block-based authentication schemes. The watermark is protected against local attacks. We have also conducted experiments to demonstrate the robustness of the watermark against mild to moderate JPEG compression.

Keywords- Multimedia security, Digital watermarking, Random permutation, Image authentication
Publication Details
Unique Identification Number - IJEDR1402253
Page Number(s) - 2878-2883
Pubished in - Volume 2 | Issue 2 | June 2014
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Sandipbhai Mangroliya,  Ketki Pathak,   "Tamper Localization In Wavelet Domain Using Semi-Fragile Watermarking", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 2, pp.2878-2883, June 2014, Available at :http://www.ijedr.org/papers/IJEDR1402253.pdf
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