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An Image Region Description Method Based on Step Sector Statistics and its Application in Image Copy-Rotate/Flip-Move Forgery Detection

An Image Region Description Method Based on Step Sector Statistics and its Application in Image Copy-Rotate/Flip-Move Forgery Detection

Likai Chen, Wei Lu, Jiangqun Ni
Copyright: © 2012 |Volume: 4 |Issue: 1 |Pages: 14
ISSN: 1941-6210|EISSN: 1941-6229|EISBN13: 9781466611597|DOI: 10.4018/jdcf.2012010104
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MLA

Chen, Likai, et al. "An Image Region Description Method Based on Step Sector Statistics and its Application in Image Copy-Rotate/Flip-Move Forgery Detection." IJDCF vol.4, no.1 2012: pp.49-62. http://doi.org/10.4018/jdcf.2012010104

APA

Chen, L., Lu, W., & Ni, J. (2012). An Image Region Description Method Based on Step Sector Statistics and its Application in Image Copy-Rotate/Flip-Move Forgery Detection. International Journal of Digital Crime and Forensics (IJDCF), 4(1), 49-62. http://doi.org/10.4018/jdcf.2012010104

Chicago

Chen, Likai, Wei Lu, and Jiangqun Ni. "An Image Region Description Method Based on Step Sector Statistics and its Application in Image Copy-Rotate/Flip-Move Forgery Detection," International Journal of Digital Crime and Forensics (IJDCF) 4, no.1: 49-62. http://doi.org/10.4018/jdcf.2012010104

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Abstract

A robust method for local image region feature description based on step sector statistics is proposed in this paper. The means and the standard deviations along the radial direction of the circle image region are extracted through the sector masks, and the rearrangement of these statistics makes this image region description method rotation-robust. The proposed description method is applied in the detection of copy-rotate-move forgery, and it can detect the exact rotation angle between the duplicate regions. With minor extension, the proposed description method can also be applied in the detection of copy-flip-move forgery. The experimental results show that the proposed description method can work well for the detection of copy-rotate/flip-move forgery.

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