基于特征点的抗几何变换图像被动认证算法
Computer Engineering（2012）
Abstract
针对同幅图像的区域复制篡改问题,提出一种基于SIFT特征点的抗几何变换数字图像被动认证算法.在利用SIFT算法提取出图像中的SIFT特征点后,对特征点进行匹配.根据同一幅自然图像不会存在互相匹配特征点的这一特性,可以检测出篡改图像中平移、旋转、缩放等几何变换的区域.实验结果证明,该算法能够对抗区域复制篡改的几何变换.
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Key words
Image Forgery Detection,Digital Image Stabilization,Optical Image Stabilization,Image Processing,Tampering Localization
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