基于混沌理论的图像加密算法研究 2.6.3基于“密钥图像”(secret key image,ski)的加密技术 2.6.4基于四叉树编码(biquadratic encoding,bqe)及scan语言的加密技术 2.6.5基于图像的矢量量化(vq)技术及商业密码加密(cc)技术
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基于混沌理论的图像加密算法研究 2.6.3基于“密钥图像”(secret key image,ski)的加密技术 2.6.4基于四叉树编码(biquadratic encoding,bqe)及scan语言的加密技术 2.6.5基于图像的矢量量化(vq)技术及商业密码加密(cc)技术
基于2个网页-相关网页
提出了一种基于自适应四叉树分形编码的数字水印技术。
This article introduces a digital watermarking technology based on adaptive quadtree fractal coding.
提出了基于四叉树分形编码的水印算法,通过在不同寻找区域中搜索最佳匹配定义域块来嵌入水印。
This paper proposes a watermarking algorithm based on quadtree fractal coding, which is to search for the optimized matched domain blocks in different regions and to embed the watermarking.
为了在加速编码过程的同时提高压缩比,将快速卷积算法与基于四叉树分割的邻域搜索算法相结合。
In order to raise compress ratio while accelerating encoding process, an algorithm com - bining fast convolution with quadtree partitioning based on neighbor search is adopted.
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