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This paper presents a review on methods for class-imbalanced learning with the Support Vector Machine (SVM) and its variants. We first explain the structure of SVM and its variants and discuss their inefficiency in learning with…

机器学习 · 计算机科学 2024-07-23 Salim Rezvani , Farhad Pourpanah , Chee Peng Lim , Q. M. Jonathan Wu

Graph Convolutional Networks (GCNs) have been proved successful in the field of semi-supervised node classification by extracting structural information from graph data. However, the random selection of labeled nodes used by GCNs may lead…

机器学习 · 计算机科学 2023-01-12 Yao Xiao , Ji Xu , Jing Yang , Shaobo Li

Accurate sample classification using transcriptomics data is crucial for advancing personalized medicine. Achieving this goal necessitates determining a suitable sample size that ensures adequate statistical power without undue resource…

统计方法学 · 统计学 2024-09-11 Yunhui Qi , Xinyi Wang , Li-Xuan Qin

The premise of semi-supervised learning (SSL) is that combining labeled and unlabeled data yields significantly more accurate models. Despite empirical successes, the theoretical understanding of SSL is still far from complete. In this…

机器学习 · 统计学 2024-09-06 Eyar Azar , Boaz Nadler

Feature extraction and selection in the presence of nonlinear dependencies among the data is a fundamental challenge in unsupervised learning. We propose using a Gram-Schmidt (GS) type orthogonalization process over function spaces to…

机器学习 · 计算机科学 2025-07-16 Bahram Yaghooti , Netanel Raviv , Bruno Sinopoli

Machine learning methods with quantitative imaging features integration have recently gained a lot of attention for lung nodule classification. However, there is a dearth of studies in the literature on effective features ranking methods…

图像与视频处理 · 电气工程与系统科学 2020-03-17 Hina Shakir , Haroon Rasheed , Tariq Mairaj Rasool Khan

We present a new wrapper feature selection algorithm for human detection. This algorithm is a hybrid feature selection approach combining the benefits of filter and wrapper methods. It allows the selection of an optimal feature vector that…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Jeonghwan Park , Kang Li , Huiyu Zhou

Predicting phenotypes from gene expression data is a crucial task in biomedical research, enabling insights into disease mechanisms, drug responses, and personalized medicine. Traditional machine learning and deep learning rely on…

机器学习 · 计算机科学 2025-09-18 Kevin Dradjat , Massinissa Hamidi , Pierre Bartet , Blaise Hanczar

The increased availability of SAR data has raised a growing interest in applying deep learning algorithms. However, the limited availability of labeled data poses a significant challenge for supervised training. This article introduces a…

信号处理 · 电气工程与系统科学 2025-02-04 M. Muzeau , J. Frontera-Pons , Chengfang Ren , J. -P. Ovarlez

Generative graph self-supervised learning (SSL) aims to learn node representations by reconstructing the input graph data. However, most existing methods focus on unsupervised learning tasks only and very few work has shown its superiority…

机器学习 · 计算机科学 2023-02-08 Xiang Li , Tiandi Ye , Caihua Shan , Dongsheng Li , Ming Gao

In standard genetic programming (stdGP), solutions are varied by modifying their syntax, with uncertain effects on their semantics. Geometric-semantic genetic programming (GSGP), a popular variant of GP, effectively searches the semantic…

神经与进化计算 · 计算机科学 2025-01-31 Philipp Anthes , Dominik Sobania , Franz Rothlauf

Most supervised learning models are trained for full automation. However, their predictions are sometimes worse than those by human experts on some specific instances. Motivated by this empirical observation, our goal is to design…

机器学习 · 统计学 2021-03-16 Abir De , Nastaran Okati , Ali Zarezade , Manuel Gomez-Rodriguez

We propose a scalable method for semi-supervised (transductive) learning from massive network-structured datasets. Our approach to semi-supervised learning is based on representing the underlying hypothesis as a graph signal with small…

机器学习 · 计算机科学 2016-11-03 Alexander Jung , Alfred O. Hero , Alexandru Mara , Sabeur Aridhi

In this paper, we propose a semi-supervised dictionary learning method that uses both the information in labelled and unlabelled data and jointly trains a linear classifier embedded on the sparse codes. The manifold structure of the data in…

机器学习 · 计算机科学 2018-12-12 Khanh-Hung Tran , Fred-Maurice Ngole-Mboula , Jean-Luc Starck

Self-supervised contrastive representation learning has proved incredibly successful in the vision and natural language domains, enabling state-of-the-art performance with orders of magnitude less labeled data. However, such methods are…

机器学习 · 计算机科学 2022-03-17 Dara Bahri , Heinrich Jiang , Yi Tay , Donald Metzler

Unsupervised text embedding methods, such as Skip-gram and Paragraph Vector, have been attracting increasing attention due to their simplicity, scalability, and effectiveness. However, comparing to sophisticated deep learning architectures…

计算与语言 · 计算机科学 2015-08-04 Jian Tang , Meng Qu , Qiaozhu Mei

Generative Adversarial Networks (GANs) are powerful generative models that achieved strong results, mainly in the image domain. However, the training of GANs is not trivial, presenting some challenges tackled by different strategies.…

神经与进化计算 · 计算机科学 2021-02-26 Victor Costa , Nuno Lourenço , João Correia , Penousal Machado

Graph representation learning is a fundamental research issue in various domains of applications, of which the inductive learning problem is particularly challenging as it requires models to generalize to unseen graph structures during…

机器学习 · 计算机科学 2024-03-27 Hanxuan Yang , Zhaoxin Yu , Qingchao Kong , Wei Liu , Wenji Mao

We introduce semi-supervised data classification algorithms based on total variation (TV), Reproducing Kernel Hilbert Space (RKHS), support vector machine (SVM), Cheeger cut, labeled and unlabeled data points. We design binary and…

机器学习 · 计算机科学 2012-10-03 Xavier Bresson , Ruiliang Zhang

We propose the application of a semi-supervised learning method to improve the performance of acoustic modelling for automatic speech recognition based on deep neural net- works. As opposed to unsupervised initialisation followed by…

机器学习 · 统计学 2016-10-04 Akash Kumar Dhaka , Giampiero Salvi