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分素

分素 (resel)是图像分析领域使用的一个概念,其英文单词源自其英文全称resolution element。分素的其他推荐/候选中文名称包括:辨素、解素、析素。分素描述的是图像或立体图像(volume)的实际空间图像分辨率

图像的分素数小于或等于图像的像素/体素数。在实际的图像里,不同位置上的分素可以有所不同,而局部分辨率则可以表示为“分素每像素”(即“分素/像素”),或者是“分素每体素”(即“分素/体素”)。

在功能神经成像分析领域,统计推理过程中就一同采用了随机场理论及对于分素数的估计。Keith Worsley则提出了对于分素数或者说粗糙程度的估计方法。

"Resel"一词与英文单词"pixel"和"voxel"相关。Waldo R. Tobler则可能是首位使用该单词的人之一[1]

参阅

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  • Kell因子

外部链接

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分素
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