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Detection of Copy Forgery in Digital Images Based on LPP-SIFT

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2 Author(s)
Baina Su ; Sch. of Electr. Eng., Zhengzhou Univ., Zhengzhou, China ; Zhu Kaizhen

Copy forgery is the most commonly used operation of image forgery. This paper describes a new method based on LPP-SIFT(Locality Preserving Projection- Scale Invariant Feature Transform) features for image forgery detection. The algorithm first extracts SIFT keypoints of an image, and then combines LPP to obtain low-dimensional feature descriptors, the final stage is the keypoints matching. Each pair of matched keypoints of the image are marked with lines between them. If the image has undergone copy-forged operation, these lines will obviously concentrate upon two regions. Experiments demonstrate that the proposed approach is efficient for copy operation and other post-processing forgeries, such as rotation, scaling, and retouching.

Published in:

Industrial Control and Electronics Engineering (ICICEE), 2012 International Conference on

Date of Conference:

23-25 Aug. 2012