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Abstract:
结合人类视觉系统(Human Visual System,HVS),对离散余弦变换(Discrete Cosine Transform,DCT)域水印算法进行改进,通过修改JPEG(Joint Photographic Experts Group,联合图像专家组)量化表得到自适应量化步长的量化表,用修正后的量化表对DCT系数进行量化,然后按照Zig-Zag扫描顺序实现自适应选择水印图像的嵌入频段(现有的算法大都选用固定步长和固定的嵌入频段).实验表明,该算法具有很好的不可见性和稳定性.
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计算机与现代化
ISSN: 1006-2475
Year: 2011
Issue: 8
Page: 164-167,170
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 4
Chinese Cited Count:
30 Days PV: 2
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