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- 2017
基于分片变换的图像Copy-Move篡改检测方法
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Abstract:
针对图像区域复制（copy-move，C-M）篡改检测方法通常面临的特征向量维度高、计算量大等问题，提出了一种基于分片变换（slicing transform，SLT）的图像C-M篡改检测方法。通过对目标图像进行SLT变换并对图像分片进行分组合并，提取每组图像分片的局部分片密度特征对图像块进行C-M篡改检测。实验结果表明，该方法提出的局部分片密度特征向量能够较好地表征图像特征，较典型的基于分块的篡改检测方法特征维度低，具有较低的时间复杂度和较高的检测率，并且对图像篡改区域的旋转攻击和缩放攻击亦具有较好的鲁棒性
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