two direction S-fuzzy rough sets 双向S
one direction S-fuzzy rough sets 单向S
l-fuzzy rough sets l模糊粗糙集
variation fuzzy rough sets 变异模糊粗集
generalized fuzzy rough sets 广义模糊粗糙集
compatibility fuzzy-rough sets 相容模糊粗糙集
high-type fuzzy rough sets 高型粗糙模糊集
The algorithm makes use of fuzzy-rough sets theory to describe its uncertainty degree and carries through its pre-processing with traditional methods according to the image's visual property.
该算法利用模糊粗糙集理论，依照图像的视觉特性，采用传统的图像增强方法进行图像预处理。
As knowledge block in knowledge base is fuzzy and is obtained randomly, we study the rough set model based on random fuzzy rough sets.
当知识库中的知识模块既是模糊的又是随机得到的，我们定义了基于随机模糊集的粗糙集模型。
We give some properties of random fuzzy rough sets.
给出了随机模糊粗糙集的性质。
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