计算机科学 ›› 2014, Vol. 41 ›› Issue (Z6): 129-131.
王焕文,徐晓刚,徐冠雷,王孝通
WANG Huan-wen,XU Xiao-gang,XU Guan-Lei and WANG Xiao-Tong
摘要: 通过对图像阴影二值化后的分析,提出一种基于阴影不一致的简易人像篡改鉴别算法。该算法先手工选取鼻翼区和下巴区的图像,经过Ostu法二值化处理后统计分析阴影面积,对比鼻翼区和下巴区阴影的一致性来判断图像是否经过篡改。大量实验结果表明,该方法简单易行、精确度高、可靠性强,在图像盲取证中具有一定的实用价值。
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