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http://dx.doi.org/10.7471/ikeee.2018.22.3.774

Fragile Watermark System using Quantization and DC Coefficients  

Yoo, Heung-Ryol (Dept. of Mechanical Facility Control Engineering, Korea University of Technology and Education)
Son, Yung-Deug (Dept. of Mechanical Facility Control Engineering, Korea University of Technology and Education)
Publication Information
Journal of IKEEE / v.22, no.3, 2018 , pp. 774-779 More about this Journal
Abstract
This paper presents fragile watermark system using quantization and DC coefficients. It is a way to prevent the watermark fro, being detected if the original has been modified in any way. In other words, the detection of a watermark ca be said to be originality after the watermark is inserted, without any damage. Since lossy compression such as JPEG is often allowed or required in practical applications, authentication methods, authentication methods should be distinguished from malicious modifications such as image shifting, cropping, filtering, and replacement. The proposed algorithm implements a fragile watermarking algorithm that shows image authentication with JPEC compression and the watermark easily breaks other malicious variants.
Keywords
DC Coefficients; Fragile; Quantization; Watermark; Watermarking;
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