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http://dx.doi.org/10.9717/kmms.2012.15.2.179

Detection of Forged Regions and Filtering Regions of Digital Images Using the Characteristics of Re-interpolation  

Hwang, Min-Gu (중앙대학교 첨단영상대학원)
Har, Dong-Hwan (중앙대학교 첨단영상대학원)
Publication Information
Journal of Korea Multimedia Society / v.15, no.2, 2012 , pp. 179-194 More about this Journal
Abstract
Digital image forgery is becoming a topic of great interest with regard to honesty in imaging. We can often see forged digital images in a variety of places, such as the internet, and magazines, and in images used in political ads, etc. These can reduce the reliability and factual basis of the information contained in image. Therefore, objectivity is needed to determine if the image is forged so as to prevent confusion in the viewing public. Most digital forgeries consist of image resizing, rotating including the following interpolations. To find evidence of interpolation in forged images, this paper proposes a new method for detecting digital image forgery using general interpolation factors analyzed through re-interpolation algorithm of the forged images in order to determine the differences in the patterns. Through the re-interpolation algorithm we could detect the forged region and filtering region used image retouching included to interpolation.
Keywords
Digital image; Forged image; Image resize; Interpolation; Re-interpolation; DFT;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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