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Classification on imbalanced datasets is a challenging task in real-world applications. Training conventional classification algorithms directly by minimizing classification error in this scenario can compromise model performance for…

机器学习 · 计算机科学 2020-03-05 Xiangrui Li , Dongxiao Zhu

One-class Classification (OCC) is an area of machine learning which addresses prediction based on unbalanced datasets. Basically, OCC algorithms achieve training by means of a single class sample, with potentially some additional…

机器学习 · 统计学 2020-03-27 Sarah Itani , Fabian Lecron , Philippe Fortemps

Kernel logistic regression (KLR) is a powerful classification method widely applied across diverse domains. In many real-world scenarios, indefinite kernels capture more domain-specific structural information than positive definite kernels.…

机器学习 · 统计学 2025-10-31 Shaoxin Wang , Hanjing Yao

Low-bit width neural networks have been extensively explored for deployment on edge devices to reduce computational resources. Existing approaches have focused on gradient-based optimization in a two-stage train-and-compress setting or as a…

机器学习 · 计算机科学 2022-06-07 Han Zhou , Aida Ashrafi , Matthew B. Blaschko

Kernel density estimation (KDE) is a popular statistical technique for estimating the underlying density distribution with minimal assumptions. Although they can be shown to achieve asymptotic estimation optimality for any input…

统计计算 · 统计学 2011-02-15 Dongryeol Lee , Alexander G. Gray , Andrew W. Moore

Medical image data are usually imbalanced across different classes. One-class classification has attracted increasing attention to address the data imbalance problem by distinguishing the samples of the minority class from the majority…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Long Gao , Chang Liu , Dooman Arefan , Ashok Panigrahy , Shandong Wu

Quantum one-class support vector machines leverage the advantage of quantum kernel methods for semi-supervised anomaly detection. However, their quadratic time complexity with respect to data size poses challenges when dealing with large…

Learned image compression methods have shown superior rate-distortion performance and remarkable potential compared to traditional compression methods. Most existing learned approaches use stacked convolution or window-based self-attention…

图像与视频处理 · 电气工程与系统科学 2024-01-03 Huairui Wang , Nianxiang Fu , Zhenzhong Chen , Shan Liu

Precise breast cancer classification on histopathological images has the potential to greatly improve the diagnosis and patient outcome in oncology. The data imbalance problem largely stems from the inherent imbalance within medical image…

图像与视频处理 · 电气工程与系统科学 2024-11-28 Majid Behzadpour , Bengie L. Ortiz , Ebrahim Azizi , Kai Wu

Adversarial approach has been widely used for data generation in the last few years. However, this approach has not been extensively utilized for classifier training. In this paper, we propose an adversarial framework for classifier…

机器学习 · 计算机科学 2018-11-22 Ehsan Montahaei , Mahsa Ghorbani , Mahdieh Soleymani Baghshah , Hamid R. Rabiee

Class imbalance in a dataset is one of the major challenges that can significantly impact the performance of machine learning models resulting in biased predictions. Numerous techniques have been proposed to address class imbalanced…

机器学习 · 计算机科学 2022-10-25 Md Manjurul Ahsan , Md Shahin Ali , Zahed Siddique

This paper studies the use of kernel density estimation (KDE) for linear algebraic tasks involving the kernel matrix of a collection of $n$ data points in $\mathbb R^d$. In particular, we improve upon existing algorithms for computing the…

数据结构与算法 · 计算机科学 2026-03-05 Rikhav Shah , Sandeep Silwal , Haike Xu

Quantum kernel methods are a candidate for quantum speed-ups in supervised machine learning. The number of quantum measurements N required for a reasonable kernel estimate is a critical resource, both from complexity considerations and…

量子物理 · 物理学 2024-01-02 Abhay Shastry , Abhijith Jayakumar , Apoorva Patel , Chiranjib Bhattacharyya

Complementary-label learning (CLL) is widely used in weakly supervised classification, but it faces a significant challenge in real-world datasets when confronted with class-imbalanced training samples. In such scenarios, the number of…

机器学习 · 计算机科学 2024-03-21 Meng Wei , Yong Zhou , Zhongnian Li , Xinzheng Xu

Quantile treatment effects (QTEs) can characterize the potentially heterogeneous causal effect of a treatment on different points of the entire outcome distribution. Propensity score (PS) methods are commonly employed for estimating QTEs in…

统计方法学 · 统计学 2023-08-15 Yahang Liu , Kecheng Wei , Chen Huang , Yongfu Yu , Guoyou Qin

This paper studies Kernel Density Estimation for a high-dimensional distribution $\rho(x)$. Traditional approaches have focused on the limit of large number of data points $n$ and fixed dimension $d$. We analyze instead the regime where…

机器学习 · 计算机科学 2024-10-21 Giulio Biroli , Marc Mézard

Imbalanced datasets are a fundamental issue in industrial condition monitoring and fault classification pipelines, causing classical machine learning models to overfit the majority classes while failing to learn the minority fault patterns.…

量子物理 · 物理学 2026-01-19 Amit S. Patel , Himanshukumar R. Patel , Bikash K. Behera

Training of deep neural networks heavily depends on the data distribution. In particular, the networks easily suffer from class imbalance. The trained networks would recognize the frequent classes better than the infrequent classes. To…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Byungju Kim , Junmo Kim

We derive and analyze a generic, recursive algorithm for estimating all splits in a finite cluster tree as well as the corresponding clusters. We further investigate statistical properties of this generic clustering algorithm when it…

机器学习 · 统计学 2021-11-02 Ingo Steinwart , Bharath K. Sriperumbudur , Philipp Thomann

As a promising step, the performance of data analysis and feature learning are able to be improved if certain pattern matching mechanism is available. One of the feasible solutions can refer to the importance estimation of instances, and…

机器学习 · 计算机科学 2020-11-17 Miao Cheng , Xinge You
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