Abstract
Image splicing is very common and fundamental in image tampering. Therefore, image splicing detection has attracted more and more attention recently in digital forensics. Gray images are used directly, or color images are converted to gray images before processing in previous image splicing detection algorithms. However, most natural images are color images. In order to make use of the color information in images, a classification algorithm is put forward which can use color images directly. In this paper, an algorithm based on Markov in Quaternion discrete cosine transform (QDCT) domain is proposed for image splicing detection. The support vector machine (SVM) is exploited to classify the authentic and spliced images. The experiment results demonstrate that the proposed algorithm not only make use of color information of images, but also can achieve high classification accuracy.
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Acknowledgments
The paper was supported in part by the National Natural Science Foundation (NSFC) of China under Grant Nos. (61365003, 61302116), National High Technology Research and Development Program of China (863 Program) No. 2013AA014601, Natural Science Foundation of China in Gansu Province Grant No. 1308RJZA274.
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Li, C., Ma, Q., Xiao, L., Li, M., Zhang, A. (2015). Image Splicing Detection Based on Markov Features in QDCT Domain. In: Huang, DS., Jo, KH., Hussain, A. (eds) Intelligent Computing Theories and Methodologies. ICIC 2015. Lecture Notes in Computer Science(), vol 9226. Springer, Cham. https://doi.org/10.1007/978-3-319-22186-1_17
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DOI: https://doi.org/10.1007/978-3-319-22186-1_17
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