In statistical language, this estimate is called the between-column variance. 在統計學(xué)中這個(gè)估計值叫組間方差。
A valid function based on infra-class and inter-class variance to decide the number of regions was presented. 提出了一種基于類(lèi)間方差和類(lèi)內方差的自適應確定分割區域數的方法。
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