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首页> 外文期刊>IFAC PapersOnLine >Delta-sigma conversion for graph signals * * This work was partly supported by Grant-in-Aid for Challenging Exploratory Research #16K14283 from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
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Delta-sigma conversion for graph signals * * This work was partly supported by Grant-in-Aid for Challenging Exploratory Research #16K14283 from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.

机译:图形信号的Delta-sigma转换 * * 这项工作部分获得了Grant-in-Aid的挑战性探索性研究的支持#16K14283日本教育,文化,体育,科学和技术省。

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摘要

In this paper, we establish a framework of delta-sigma conversion of graph signals. First, we define delta-sigma conversion for graph signals by considering the corresponding conversion for standard time series signals. We next propose a conversion method based on spanning in-tree, for which it is proven that the method satisfies the conditions for delta-sigma conversion. The proposed method is demonstrated by numerical examples and application to halftone image processing.
机译:在本文中,我们建立了图信号的delta-sigma转换框架。首先,我们通过考虑标准时间序列信号的相应转换来定义图形信号的delta-sigma转换。接下来,我们提出一种基于生成树的转换方法,为此证明了该方法满足delta-sigma转换的条件。数值实例证明了该方法的有效性,并将其应用于半色调图像处理中。

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