于是,针对这一种数据集不均衡的情况,专门设计出了 imbalanced learning (IL) 问题。在 IL 问题中,所谓的不均衡性主要体现在了两个方面:(1) 不同类别的数据量不同,这个被称为组间不均衡 (inter-class imbalance) (2) 在同一类别中,有些数据很容易识别,而有些数据则模棱两可,这个被称为组内不均衡 (intra-...
A competent scale to summarize the severity of data inter-class imbalance, requires to meet at least the following three conditions: (1) the ability to calculate the imbalance extent for both binary and multi-class datasets, (2) output within a definite and fixed range of values, (3) being...
论文源码:Towards Inter-class and Intra-class Imbalance in Class-imbalanced Learning 作者来自吉林大学,悉尼科技大学和微软研究院 Abstract 对于不平衡学习中存在的两个基本不平衡:类间样本不平衡和类内简单困难样本数量差,作者提出了双重平衡集成( DUBE )的方法。该方法没有依赖大量和距离计算,而是直接执行类间和类...
nature of the dataset. The authors noted that obtaining a balanced dataset with a sufficient number of images of the positive class was difficult due to the low prevalence of pneumonia in the population. Therefore, low inter-class variation and class imbalance in medical image datasets ...
In LTE network, load imbalance is the crucial issue which needs to be handled in order to exploit most of the benefit from LTE without degrading the throug... T Padmapriya,V Saminadan - 《Research Journal of Applied Sciences Engineering & Technology》 被引量: 45发表: 2016年 Inter-Area Tra...
Niu. New one-versus-all ν-SVM solving intra-inter class imbalance with extended manifold regularization and localized relative maximum margin. Neurocomputing, 115, 106-121, 2013.X. Wang and Y. Niu, "New one-versus-all ν-SVM solving intra-inter class imbal- ance with extended manifold ...
Second, to deal with the implicit issue of intra-class imbalance in the training data, a cluster-based shapelet selection method is introduced to obtain an optimal set of stable and robust shapelets. Finally, an associate-pattern mining approach is designed to efficiently learn base classifiers, ...
In LTE network, load imbalance is the crucial issue which needs to be handled in order to exploit most of the benefit from LTE without degrading the throug... T Padmapriya,V Saminadan - 《Research Journal of Applied Sciences Engineering & Technology》 被引量: 45发表: 2016年 Inter-Area Tra...