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图像变换的稀疏性能比较研究

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摘要 本文首先介绍了在当前数字信息时代数字水印技术研究的重要性,并对数字水印技术做了详细的介绍,包括数字水印技术的原理、一般模型、分类、性能评价标准以及当前研究的关键技术。之后,对当前的一种多尺度几何分析方法-脊波变换理论进行了简要的阐述,包括脊波理论的产生背景、小波变换、脊波变换,然后将脊波变换应用于数字水印技术,利用Matlab软件模拟实现了一种脊波域数字水印算法,并对实验数据进行了简要的分析。
作者 杨丰丰
出处 《通讯世界》 2015年第4期232-233,共2页 Telecom World
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