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Unsupervised learning has always been appealing to machine learning researchers and practitioners, allowing them to avoid an expensive and complicated process of labeling the data. However, unsupervised learning of complex data is…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Evgenii Zheltonozhskii , Chaim Baskin , Alex M. Bronstein , Avi Mendelson

In this paper, a robust weighted score for unbalanced data (ROWSU) is proposed for selecting the most discriminative feature for high dimensional gene expression binary classification with class-imbalance problem. The method addresses one…

机器学习 · 统计学 2024-01-24 Zardad Khan , Amjad Ali , Saeed Aldahmani

Recent advances in healthcare technologies have led to the availability of large amounts of biological samples across several techniques and applications. In particular, in the last few years, Raman spectroscopy analysis of biological…

定量方法 · 定量生物学 2025-06-24 Marco Piazza , Andrea Spinelli , Francesca Maggioni , Marzia Bedoni , Enza Messina

In recent years, image classification, as a core task in computer vision, relies on high-quality labelled data, which restricts the wide application of deep learning models in practical scenarios. To alleviate the problem of insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jiyu Hu , Haijiang Zeng , Zhen Tian

Unsupervised anomaly detection (UAD) aims to detect anomalies without labeled data, a necessity in many machine learning applications where anomalous samples are rare or not available. Most state-of-the-art methods fall into two categories:…

机器学习 · 计算机科学 2025-07-30 Nicolas Pinon , Carole Lartizien

Support vector machines (SVMs) are a standard tool for binary classification, but their classical formulations are purely data-driven and offer no direct way to encode trusted benchmark models or structured preferences on selected subsets…

机器学习 · 统计学 2026-04-29 Mohammad Jafari Jozani , Bahram Moeinianfar

In this paper, we present NSGA-II-SVM (Non-dominated Sorting Genetic Algorithm with Support Vector Machine Guidance), a novel learnable evolutionary and search-based testing algorithm that leverages Support Vector Machine (SVM)…

软件工程 · 计算机科学 2024-01-24 Lev Sorokin , Niklas Kerscher

Semi-Supervised Variational Autoencoders (SSVAEs) are widely used models for data efficient learning. In this paper, we question the adequacy of the standard design of sequence SSVAEs for the task of text classification as we exhibit two…

计算与语言 · 计算机科学 2021-09-28 Ghazi Felhi , Joseph Le Roux , Djamé Seddah

Contrastive learning methods enforce label distance relationships in feature space to improve representation capability for regression models. However, these methods highly depend on label information to correctly recover ordinal…

机器学习 · 计算机科学 2025-12-11 Ce Wang , Weihang Dai , Hanru Bai , Xiaomeng Li

This paper describes a statistically-principled semi-supervised method of automatic chord estimation (ACE) that can make effective use of music signals regardless of the availability of chord annotations. The typical approach to ACE is to…

声音 · 计算机科学 2020-09-09 Yiming Wu , Tristan Carsault , Eita Nakamura , Kazuyoshi Yoshii

Support vector machine (SVM), is a popular kernel method for data classification that demonstrated its efficiency for a large range of practical applications. The method suffers, however, from some weaknesses including; time processing,…

机器学习 · 计算机科学 2023-08-23 Lakhdar Remaki

In this paper, we propose another version of help-training approach by employing a Probabilistic Neural Network (PNN) that improves the performance of the main discriminative classifier in the semi-supervised strategy. We introduce the…

机器学习 · 计算机科学 2015-09-07 Hamidreza Farhidzadeh

In this work, we generalize semi-supervised generative adversarial networks (GANs) from classification problems to regression problems. In the last few years, the importance of improving the training of neural networks using semi-supervised…

机器学习 · 计算机科学 2019-09-05 Greg Olmschenk , Zhigang Zhu , Hao Tang

In this paper, we propose a deep invertible hybrid model which integrates discriminative and generative learning at a latent space level for semi-supervised few-shot classification. Various tasks for classifying new species from image data…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Yusuke Ohtsubo , Tetsu Matsukawa , Einoshin Suzuki

In this paper, we present the design of error-resilient machine learning architectures by employing a distributed machine learning framework referred to as classifier ensemble (CE). CE combines several simple classifiers to obtain a strong…

机器学习 · 计算机科学 2016-07-27 Sai Zhang , Naresh Shanbhag

Supervised learning, characterized by both discriminative and generative learning, seeks to predict the values of single (or sometimes multiple) predefined target attributes based on a predefined set of predictor attributes. For…

机器学习 · 计算机科学 2020-11-13 Yuan Jin , Wray Buntine , Francois Petitjean , Geoffrey I. Webb

Semisupervised learning has emerged as a popular framework for improving modeling accuracy while controlling labeling cost. Based on an extension of stochastic composite likelihood we quantify the asymptotic accuracy of generative…

机器学习 · 计算机科学 2010-03-02 Joshua V Dillon , Krishnakumar Balasubramanian , Guy Lebanon

Loss function plays a vital role in supervised learning frameworks. The selection of the appropriate loss function holds the potential to have a substantial impact on the proficiency attained by the acquired model. The training of…

机器学习 · 计算机科学 2024-10-15 Mushir Akhtar , M. Tanveer , Mohd. Arshad

Node classification is a key task in temporal graph learning (TGL). Real-life temporal graphs often introduce new node classes over time, but existing TGL methods assume a fixed set of classes. This assumption brings limitations, as…

机器学习 · 计算机科学 2025-03-04 Hanmo Liu , Shimin Di , Haoyang Li , Xun Jian , Yue Wang , Lei Chen

Semi-supervised learning methods are motivated by the availability of large datasets with unlabeled features in addition to labeled data. Unlabeled data is, however, not guaranteed to improve classification performance and has in fact been…

机器学习 · 统计学 2019-10-25 Xiuming Liu , Dave Zachariah , Johan Wågberg , Thomas B. Schön