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首页> 外文期刊>International journal of digital crime and forensics >An Image Region Description Method Based on Step Sector Statistics and its Application in Image Copy-Rotate/ Flip-Move Forgery Detection
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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

机译：基于步长统计的图像区域描述方法及其在图像旋转/翻转伪造检测中的应用

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摘要

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.
机译：提出了一种基于步长扇区统计的鲁棒的局部图像区域特征描述方法。通过扇形掩模提取沿圆形图像区域的径向方向的均值和标准偏差，并且这些统计信息的重新排列使该图像区域描述方法变得更加可靠。所提出的描述方法被应用于复制-旋转-移动伪造的检测中，并且可以检测出重复区域之间的精确旋转角度。稍作扩展，所提出的描述方法也可以应用于复制翻转移动伪造的检测。实验结果表明，所提出的描述方法可以很好地检测复制-旋转/翻转-移动伪造。

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