Abstract
A novel method based on the local entropy of the gradient is proposed to detect the forged digital images. The method can discover some traces of artificial feather operation, which is necessary to create a smooth transition between a forged image region and its surroundings. The local entropy of the gradient is used to determine the forged region, and the credibility is computed to show the reality level of the image. Results of experiments on several forged images demonstrate the effectiveness of the algorithm.
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© 2009 Springer-Verlag Berlin Heidelberg
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Li, Z., Zheng, Jb. (2009). Blind Detection of Digital Forgery Image Based on the Local Entropy of the Gradient. In: Kim, HJ., Katzenbeisser, S., Ho, A.T.S. (eds) Digital Watermarking. IWDW 2008. Lecture Notes in Computer Science, vol 5450. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04438-0_14
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DOI: https://doi.org/10.1007/978-3-642-04438-0_14
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-04437-3
Online ISBN: 978-3-642-04438-0
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