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http://dx.doi.org/10.9717/kmms.2012.15.11.1292

Identification Method of Geometric and Filtering Change Regions in Modified Digital Images  

Hwang, Min-Gu (중앙대학교 첨단영상대학원)
Cho, Byung-Joo (중앙대학교 첨단영상대학원)
Har, Dong-Hwan (중앙대학교 첨단영상대학원)
Publication Information
Journal of Korea Multimedia Society / v.15, no.11, 2012 , pp. 1292-1304 More about this Journal
Abstract
Recently, digital images are extremely forged by editors or advertisers. Also, amateurs can modify images throughout easy editing programs. In this study, we propose identification and analytical methods for the modified images to figure out those problems. In modified image analysis, we classify two parts; a filtering change and a geometric change. Those changes have an algorithm based on interpolation so that we propose the algorithm which is able to analyze a trace on a modified area. With this algorithm, we implement a detection map of interpolation using minimum filter, laplacian algorithm, and maximum filter. We apply the proposed algorithm to modified image and are able to analyze its modified trace using the detection map.
Keywords
Digital image; Modified image; Forged image; Geometric change; Image filtering; Interpolation;
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Times Cited By KSCI : 2  (Citation Analysis)
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