| 王丽侠.基于SVD和直方图的JPEG同幅图像篡改盲检测算法[J].唐山学院学报,2017,30(3):58-66 |
| 基于SVD和直方图的JPEG同幅图像篡改盲检测算法 |
| Blind Detection Algorithm for the Same JPEG Image Tampering Based on SVD and Histogram |
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| DOI：10.16160/j.cnki.tsxyxb.2017.03.013 |
| 中文关键词: 同幅图像 拼接篡改 SVD算法 直方图 图像检测 |
| 英文关键词: same image splicing and tampering singular value decomposition(SVD) histogram image detection |
| 基金项目: |
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| 摘要点击次数: 8531 |
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| 中文摘要: |
| 首先分析了基于小波变换和奇异值分解方法对同幅图像拼接篡改检测的缺点，结合相关重要的思想，构建了一种改进算法，该算法运用SVD提取图像块特征，并采用偏移频率的直方图来确定阈值。在仿真实验中，通过运用三种算法对图像篡改进行检测，对比结果表明，文章所提算法对同幅图像单次篡改和多次篡改均有更好的检测效果，而且通过修改图像的质量因子的实验进一步证实了该算法具有一定的鲁棒性。 |
| 英文摘要: |
| The author of this paper has analyzed the shortcomings of the same image tampering detection based on wavelet transform and singular value decomposition (SVD), constructed an improved algorithm, in which SVD is employed to extract the feature of image blocks and the histogram with offset frequency to determine the threshold. In the simulation experiment, three algorithms were applied to detect image tampering. The comparison results show that the proposed algorithm can effectively detect single and multiple tampering with the same image, and the experiment with modified image quality factors has proved that this algorithm is robust. |
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