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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/96843


    Title: Approximate Detection Method for Image Up-Sampling
    Authors: Tu, Ching-Ting;Lin, Hwei-Jen;Yang, Fu-Wen;Chang, Hsiao-Wei
    Contributors: 淡江大學資訊工程學系
    Keywords: image forgery;copy-move;resampling rate;resampling factor;zeroing mask
    Date: 2014
    Issue Date: 2014-03-13 16:08:29 (UTC+8)
    Publisher: Seoul: Korean Society for Internet Information
    Abstract: This paper proposes a new resampling detection method for images that detects whether an image has been resampled and recovers the corresponding resampling rate. The proposed method uses a given set of zeroing masks for various resampling factors to evaluate the convolution values of the input image with the zeroing masks. Improving upon our previous work, the proposed method detects more resampling factors by checking for some periodicity with an approximate detection mechanism. The experimental results demonstrate that the proposed method is effective and efficient.
    Relation: KSII Transactions on Internet and Information Systems 8(2), pp.462-482
    Appears in Collections:[資訊工程學系暨研究所] 期刊論文

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