摘要
创新点
针对目前认证算法对非恶意攻击的脆弱性问题,本文提出了一种基于压缩感知的半脆弱图像认证算法。 与传统的基于压缩感知的方法不同, 本文联合考虑图像认证的三个主要问题: 篡改检测、 定位和恢复。 算法不仅以像素级准确性定位篡改区域, 而且以较高质量地恢复被篡改内容。 本文算法对恶意篡改攻击脆弱, 而对如 JPEG 压缩、 亮度/对比度变化、 噪声添加、 格式变换等非恶意攻击具有较好的鲁棒性。
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Du, L., Cao, X., Zhang, W. et al. Semi-fragile watermarking for image authentication based on compressive sensing. Sci. China Inf. Sci. 59, 059104 (2016). https://doi.org/10.1007/s11432-016-5542-8
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DOI: https://doi.org/10.1007/s11432-016-5542-8