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Related papers: Class-Aware Universum Inspired Re-Balance Learning…

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This paper extends the idea of Universum learning [1, 2] to single-class learning problems. We propose Single Class Universum-SVM setting that incorporates a priori knowledge (in the form of additional data samples) into the single class…

Machine Learning · Computer Science 2019-09-27 Sauptik Dhar , Vladimir Cherkassky

Convolutional neural networks have achieved great improvement on face recognition in recent years because of its extraordinary ability in learning discriminative features of people with different identities. To train such a well-designed…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Xiao Zhang , Zhiyuan Fang , Yandong Wen , Zhifeng Li , Yu Qiao

In this paper, we investigate the challenges of complementary-label learning (CLL), a specialized form of weakly-supervised learning (WSL) where models are trained with labels indicating classes to which instances do not belong, rather than…

Machine Learning · Computer Science 2026-02-03 Tan-Ha Mai , Hsuan-Tien Lin

Skin image datasets often suffer from imbalanced data distribution, exacerbating the difficulty of computer-aided skin disease diagnosis. Some recent works exploit supervised contrastive learning (SCL) for this long-tailed challenge.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Yilan Zhang , Jianqi Chen , Ke Wang , Fengying Xie

Long-tailed data is prevalent in real-world classification tasks and heavily relies on supervised information, which makes the annotation process exceptionally labor-intensive and time-consuming. Unfortunately, despite being a common…

Machine Learning · Computer Science 2024-12-04 Meng Wei , Zhongnian Li , Yong Zhou , Xinzheng Xu

This study focuses on incremental learning for image classification, exploring how to reduce catastrophic forgetting of all learned knowledge when access to old data is restricted. The challenge lies in balancing plasticity (learning new…

Machine Learning · Computer Science 2026-03-12 Zhiping Zhou , Xuchen Xie , Yiqiao Qiu , Run Lin , Weishi Zheng , Ruixuan Wang

We propose an embarrassingly simple method -- instance-aware repeat factor sampling (IRFS) to address the problem of imbalanced data in long-tailed object detection. Imbalanced datasets in real-world object detection often suffer from a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Burhaneddin Yaman , Tanvir Mahmud , Chun-Hao Liu

Long-tailed semi-supervised learning poses a significant challenge in training models with limited labeled data exhibiting a long-tailed label distribution. Current state-of-the-art LTSSL approaches heavily rely on high-quality…

Machine Learning · Computer Science 2024-10-10 Zi-Hao Zhou , Siyuan Fang , Zi-Jing Zhou , Tong Wei , Yuanyu Wan , Min-Ling Zhang

Real-world categorization is severely hampered by class imbalance because traditional ensembles favor majority classes, which lowers minority performance and overall F1-score. We provide a unique ensemble technique for imbalanced problems…

Computation and Language · Computer Science 2026-04-14 Mohamed Ehab , Ali Hamdi , Khaled Shaban

Multi-view evidential learning aims to integrate information from multiple views to improve prediction performance and provide trustworthy uncertainty esitimation. Most previous methods assume that view-specific evidence learning is…

Machine Learning · Computer Science 2025-11-11 Haishun Chen , Cai Xu , Jinlong Yu , Yilin Zhang , Ziyu Guan , Wei Zhao , Fangyuan Zhao , Xin Yang

Continual Learning is an unresolved challenge, whose relevance increases when considering modern applications. Unlike the human brain, trained deep neural networks suffer from a phenomenon called catastrophic forgetting, wherein they…

Machine Learning · Computer Science 2025-02-18 Shahar Shaul-Ariel , Daphna Weinshall

Even in the era of large models, one of the well-known issues in continual learning (CL) is catastrophic forgetting, which is significantly challenging when the continual data stream exhibits a long-tailed distribution, termed as…

Machine Learning · Computer Science 2024-08-28 Lei Liu , Li Liu , Yawen Cui

Existing out-of-distribution (OOD) methods have shown great success on balanced datasets but become ineffective in long-tailed recognition (LTR) scenarios where 1) OOD samples are often wrongly classified into head classes and/or 2)…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Wenjun Miao , Guansong Pang , Tianqi Li , Xiao Bai , Jin Zheng

Training on datasets with long-tailed distributions has been challenging for major recognition tasks such as classification and detection. To deal with this challenge, image resampling is typically introduced as a simple but effective…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Nadine Chang , Zhiding Yu , Yu-Xiong Wang , Anima Anandkumar , Sanja Fidler , Jose M. Alvarez

To address the problem of long-tail distribution for the large vocabulary object detection task, existing methods usually divide the whole categories into several groups and treat each group with different strategies. These methods bring…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Tong Wang , Yousong Zhu , Chaoyang Zhao , Wei Zeng , Jinqiao Wang , Ming Tang

Deep convolutional neural networks have made significant breakthroughs in medical image classification, under the assumption that training samples from all classes are simultaneously available. However, in real-world medical scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xuze Hao , Wenqian Ni , Xuhao Jiang , Weimin Tan , Bo Yan

Long-tailed learning has garnered increasing attention due to its practical significance. Among the various approaches, the fine-tuning paradigm has gained considerable interest with the advent of foundation models. However, most existing…

Machine Learning · Computer Science 2025-08-11 Jiahao Chen , Bin Qin , Jiangmeng Li , Hao Chen , Bing Su

A significant challenge in achieving ubiquitous Artificial Intelligence is the limited ability of models to rapidly learn new information in real-world scenarios where data follows long-tailed distributions, all while avoiding forgetting…

Machine Learning · Computer Science 2024-04-09 Siddeshwar Raghavan , Jiangpeng He , Fengqing Zhu

Class imbalance is a common and pernicious issue for the training of neural networks. Often, an imbalanced majority class can dominate training to skew classifier performance towards the majority outcome. To address this problem we…

Machine Learning · Computer Science 2026-01-09 Miguel O'Malley

How to enable learnability for new classes while keeping the capability well on old classes has been a crucial challenge for class incremental learning. Beyond the normal case, long-tail class incremental learning and few-shot class…

Machine Learning · Computer Science 2023-08-04 Yibo Yang , Haobo Yuan , Xiangtai Li , Jianlong Wu , Lefei Zhang , Zhouchen Lin , Philip Torr , Dacheng Tao , Bernard Ghanem
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