And some serious shortcomings of the grey absolute correlation degree are discovered.
发现绝对关联度存在一些严重的缺陷。
RESULTS: The fitting precision was compared by using mean relative error and grey absolute correlation degree as evaluation criterion.
结果：以平均相对偏差和灰色绝对关联度为评价标准进行拟合精度的比较。
Discuss applicability of gray correlation degree in image edge detection and puts forward and fulfils an algorithm of image edge detection based on gray weighted absolute correlation degree.
探讨了灰色关联度计算方法在边缘检测中的适用情况，提出并实现了基于灰色加权绝对关联度的灰度图边缘检测算法。
Discuss applicability of gray correlation degree in image edge detection and puts forward and fulfils an algorithm of image edge detection based on gray weighted absolute correlation degree.
探讨了灰色关联度计算方法在边缘检测中的适用情况，提出并实现了基于灰色加权绝对关联度的灰度图边缘检测算法。
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