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http://dx.doi.org/10.5762/KAIS.2019.20.10.203

A Study on Integrity Verification and Tamper Detection of Digital Image  

Woo, Chan-Il (Department of Information and Communication Engineering, Seoil University)
Goo, Eun-Hee (Dasan University College, Ajou University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.10, 2019 , pp. 203-208 More about this Journal
Abstract
Digital watermarking was developed to protect copyright by discouraging the illegal copying of digital content. On the other hand, recently, watermarking has also been used to verify the integrity of digital content, such as medical images, and detect illegal manipulation or distortion locations. Watermarking should be tenacious so as to protect copyright from illegal copying and should remain firm to the content through a range of attacks, such as distortion or filtering. At the same time, however, it should be removed easily even in a slight transformation of the material to verify the integrity. Therefore, this paper proposes a watermarking technique that easily checks and verifies the deformation or manipulation of digital images. In the proposed method, the entire image was examined in $16{\times}16$ blocks to check for deformation of the image. When deformation was detected, further inspection proceeded in $4{\times}4$ blocks and the location where deformation occurred was identified.
Keywords
Digital Watermarking; Integrity; Tamper Detection; Fragile; Authentication;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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