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Optimal selection of a subset of items from a given set is a hard problem that requires combinatorial optimization. In this paper, we propose a subset selection algorithm that is trainable with gradient-based methods yet achieves…

Machine Learning · Computer Science 2018-10-31 Thomas Powers , Rasool Fakoor , Siamak Shakeri , Abhinav Sethy , Amanjit Kainth , Abdel-rahman Mohamed , Ruhi Sarikaya

Classifiers trained with class-imbalanced data are known to perform poorly on test data of the "minor" classes, of which we have insufficient training data. In this paper, we investigate learning a ConvNet classifier under such a scenario.…

Machine Learning · Computer Science 2022-07-12 Han-Jia Ye , Hong-You Chen , De-Chuan Zhan , Wei-Lun Chao

Due to their data-driven nature, Machine Learning (ML) models are susceptible to bias inherited from data, especially in classification problems where class and group imbalances are prevalent. Class imbalance (in the classification target)…

Machine Learning · Computer Science 2024-09-10 Emmanouil Panagiotou , Arjun Roy , Eirini Ntoutsi

The two key players in Generative Adversarial Networks (GANs), the discriminator and generator, are usually parameterized as deep neural networks (DNNs). On many generative tasks, GANs achieve state-of-the-art performance but are often…

Machine Learning · Computer Science 2019-01-31 Babajide O. Ayinde , Keishin Nishihama , Jacek M. Zurada

Federated Learning (FL) has emerged as a pivotal framework for the development of effective global models (global FL) or personalized models (personalized FL) across clients with heterogeneous, non-iid data distribution. A key challenge in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Seongyoon Kim , Minchan Jeong , Sungnyun Kim , Sungwoo Cho , Sumyeong Ahn , Se-Young Yun

Incomplete multi-view clustering (IMVC) has garnered increasing attention in recent years due to the common issue of missing data in multi-view datasets. The primary approach to address this challenge involves recovering the missing views…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yuanyang Zhang , Yijie Lin , Weiqing Yan , Li Yao , Xinhang Wan , Guangyuan Li , Chao Zhang , Guanzhou Ke , Jie Xu

Traditional clustering methods often perform clustering with low-level indiscriminative representations and ignore relationships between patterns, resulting in slight achievements in the era of deep learning. To handle this problem, we…

Machine Learning · Computer Science 2019-05-07 Jianlong Chang , Yiwen Guo , Lingfeng Wang , Gaofeng Meng , Shiming Xiang , Chunhong Pan

We propose an alternative generator architecture for generative adversarial networks, borrowing from style transfer literature. The new architecture leads to an automatically learned, unsupervised separation of high-level attributes (e.g.,…

Neural and Evolutionary Computing · Computer Science 2019-04-01 Tero Karras , Samuli Laine , Timo Aila

While deep learning models like Vision Transformer (ViT) have achieved significant advances, they typically require large datasets. With data privacy regulations, access to many original datasets is restricted, especially medical images.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xinyuan Zhao , Yihang Wu , Ahmad Chaddad , Tareef Daqqaq , Reem Kateb

Imbalanced datasets are ubiquitous. Classification performance on imbalanced datasets is generally poor for the minority class as the classifier cannot learn decision boundaries well. However, in sensitive applications like fraud detection,…

Machine Learning · Computer Science 2019-10-25 Vishwa Karia , Wenhao Zhang , Arash Naeim , Ramin Ramezani

Pedestrian attribute recognition is an important multi-label classification problem. Although the convolutional neural networks are prominent in learning discriminative features from images, the data imbalance in multi-label setting for…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Yang Hu , Xiaying Bai , Pan Zhou , Fanhua Shang , Shengmei Shen

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…

Machine Learning · Statistics 2024-01-24 Zardad Khan , Amjad Ali , Saeed Aldahmani

In recent years, graph neural networks (GNNs) have achieved state-of-the-art performance for node classification. However, most existing GNNs would suffer from the graph imbalance problem. In many real-world scenarios, node classes are…

Machine Learning · Computer Science 2022-06-14 Tianxiang Zhao , Xiang Zhang , Suhang Wang

When presented with a binary classification problem where the data exhibits severe class imbalance, most standard predictive methods may fail to accurately model the minority class. We present a model based on Generative Adversarial…

Machine Learning · Computer Science 2022-04-20 Jonathan Gradstein , Moshe Salhov , Yoav Tulpan , Ofir Lindenbaum , Amir Averbuch

Class imbalance is pervasive in real-world graph datasets, where the majority of annotated nodes belong to a small set of classes (majority classes), leaving many other classes (minority classes) with only a handful of labeled nodes. Graph…

Machine Learning · Computer Science 2024-12-31 Abdullah Alchihabi , Hao Yan , Yuhong Guo

Quality control is a crucial activity performed by manufacturing companies to ensure their products conform to the requirements and specifications. The introduction of artificial intelligence models enables to automate the visual quality…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Jože M. Rožanec , Patrik Zajec , Spyros Theodoropoulos , Erik Koehorst , Blaž Fortuna , Dunja Mladenić

Fairness-aware learning is increasingly important in data mining. Discrimination prevention aims to prevent discrimination in the training data before it is used to conduct predictive analysis. In this paper, we focus on fair data…

Machine Learning · Computer Science 2018-05-30 Depeng Xu , Shuhan Yuan , Lu Zhang , Xintao Wu

We propose a unified game-theoretical framework to perform classification and conditional image generation given limited supervision. It is formulated as a three-player minimax game consisting of a generator, a classifier and a…

Machine Learning · Computer Science 2020-09-15 Chongxuan Li , Kun Xu , Jiashuo Liu , Jun Zhu , Bo Zhang

The problem of labeled graph generation is gaining attention in the Deep Learning community. The task is challenging due to the sparse and discrete nature of graph spaces. Several approaches have been proposed in the literature, most of…

Machine Learning · Computer Science 2021-07-20 Marco Podda , Davide Bacciu

This paper studies the problem of class-imbalanced graph classification, which aims at effectively classifying the graph categories in scenarios with imbalanced class distributions. While graph neural networks (GNNs) have achieved…

Machine Learning · Computer Science 2024-12-31 Wei Ju , Zhengyang Mao , Siyu Yi , Yifang Qin , Yiyang Gu , Zhiping Xiao , Jianhao Shen , Ziyue Qiao , Ming Zhang