郑州大学信息工程学院,郑州,450001
网络首发:2011-10-10,
纸质出版:2011
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刘洋 1, 周清雷 1, 冯博琴 2. 粒度计算中混合属性约简的权重模糊粗糙集模型[J]. 西安交通大学学报, 2011,45(10):43-47.
A Weighted Fuzzy Rough Sets Model with Hybrid-Attribute Reduction in Granular Computing[J]. 2011, 45(10): 43-47.
针对权重粗糙集模型不能有效处理非平衡混合数据的问题
对权重论域上的各种类型变量进行分析并建立统一的模糊等价关系
提出混合数据上的权重模糊粗糙集模型
并利用该模型构造出带权模糊等价空间上的混合属性约简算法.混合属性约简算法产生的模糊软划分可以克服权重论域上离散硬划分产生的信息损失.在非平衡混合数据集上进行的实验结果表明
与基于权重粗糙集的算法相比
基于权重模糊粗糙集模型的属性约简算法的平均分类精度提高了11.9%.
In order to solve the problem that weighted rough sets model lacks a mechanism to deal with mixed and imbalanced data
a unified fuzzy equivalent relationship for analyzing different types of features in weighted domain is established
and a weighted fuzzy rough sets model is proposed to deal with mixed data. Furthermore
a hybrid attribute-reduction algorithm is constructed based on the weighted fuzzy rough sets model. Compared with the classical crisp partition
the hybrid algorithm can avoid information loss through fuzzy soft partition generated by the model. Experimental results on imbalanced and mixed data sets show that the proposed weighted fuzzy rough sets model can not only select fewer features than weighted rough sets model
but also improve the average classification performance of the reduced attribute set on learning methods by 11.9%.
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逆向工程中一种鲁棒的平移对称提取算法. 西安交通大学学报,2011,45(7):70-75.
一种鲁棒的子空间聚类算法. 西安交通大学学报,2011,45(6):13-19.
引入模糊推理与强跟踪滤波技术的变结构多模型估计. 西安交通大学学报,2011,45(6):27-33.
一种采用偏最小二乘回归的情绪调节策略预测模型. 西安交通大学学报,2011,45(6):46-49.
采用任务剖面的复杂可修系统保障性仿真与评价技术研究. 西安交通大学学报,2011,45(4):53-59.
三角Bézier曲面粗加工刀轨生成算法. 西安交通大学学报,2011,45(3):70-74.
广义证据理论中的基本概率指派生成方法. 西安交通大学学报,2011,45(2):34-38.
面向重用的三维CAD模型检索算法. 西安交通大学学报,2011,45(1):74-78.
一种准线性光束平差方法. 西安交通大学学报,2010,44(12):1-4.
广义证据理论的基本框架. 西安交通大学学报,2010,44(12):119-124.
利用特征子空间评价与多分类器融合的高光谱图像分类. 西安交通大学学报,2010,44(8):20-24.
高斯衍生粒子滤波器. 西安交通大学学报,2010,44(6):72-77.
一种多源遥感图像分割的融合新策略. 西安交通大学学报,2010,44(6):88-92.
图像分割的谱聚类集成算法. 西安交通大学学报,2010,44(6):93-98.
应用变量因果序分析的符号有向图建模方法. 西安交通大学学报,2010,44(5):85-90.
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