English
Related papers

Related papers: Class Uncertainty: A Measure to Mitigate Class Imb…

200 papers

Deep neural network models degrade significantly in the long-tailed data distribution, with the overall training data dominated by a small set of classes in the head, and the tail classes obtaining less training examples. Addressing the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Brainard Philemon Jagati , Jitendra Tembhurne , Harsh Goud , Rudra Pratap Singh , Chandrashekhar Meshram

Private business schools in India face a common problem of selecting quality students for their MBA programs to achieve the desired placement percentage. Generally, such data sets are biased towards one class, i.e., imbalanced in nature.…

Machine Learning · Computer Science 2022-07-18 Tanujit Chakraborty

Verifiable training has shown success in creating neural networks that are provably robust to a given amount of noise. However, despite only enforcing a single robustness criterion, its performance scales poorly with dataset complexity. On…

Machine Learning · Computer Science 2020-12-16 Shiqi Wang , Kevin Eykholt , Taesung Lee , Jiyong Jang , Ian Molloy

Pre-training datasets are critical for building state-of-the-art machine learning models, motivating rigorous study on their impact on downstream tasks. In this work, we study the impact of the trade-off between the intra-class diversity…

Machine Learning · Computer Science 2023-12-04 Jieyu Zhang , Bohan Wang , Zhengyu Hu , Pang Wei Koh , Alexander Ratner

Long-tail distribution is widely spread in real-world applications. Due to the extremely small ratio of instances, tail categories often show inferior accuracy. In this paper, we find such performance bottleneck is mainly caused by the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Jingru Tan , Bo Li , Xin Lu , Yongqiang Yao , Fengwei Yu , Tong He , Wanli Ouyang

Monitoring data transfer performance is a crucial task in scientific computing networks. By predicting performance early in the communication phase, potentially sluggish transfers can be identified and selectively monitored, optimizing…

Machine Learning · Computer Science 2025-12-17 Jacob Taegon Kim , Alex Sim , Kesheng Wu , Jinoh Kim

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

Unlike the case when using a balanced training dataset, the per-class recall (i.e., accuracy) of neural networks trained with an imbalanced dataset are known to vary a lot from category to category. The convention in long-tailed recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Yingxiao Du , Jianxin Wu

Ordinal categorical data are widely collected in psychology, education, and other social sciences, appearing commonly in questionnaires, assessments, and surveys. Latent class models provide a flexible framework for uncovering unobserved…

Machine Learning · Statistics 2026-02-26 Huan Qing

In medical image classification tasks, it is common to find that the number of normal samples far exceeds the number of abnormal samples. In such class-imbalanced situations, reliable training of deep neural networks continues to be a major…

Machine Learning · Computer Science 2022-04-06 Sivaramakrishnan Rajaraman , Prasanth Ganesan , Sameer Antani

Most existing state-of-the-art video classification methods assume that the training data obey a uniform distribution. However, video data in the real world typically exhibit an imbalanced long-tailed class distribution, resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Yufan Hu , Junyu Gao , Changsheng Xu

As instruction-tuned large language models (LLMs) evolve, aligning pretrained foundation models presents increasing challenges. Existing alignment strategies, which typically leverage diverse and high-quality data sources, often overlook…

Computation and Language · Computer Science 2024-06-10 Yikun Wang , Rui Zheng , Liang Ding , Qi Zhang , Dahua Lin , Dacheng Tao

Learning against label noise is a vital topic to guarantee a reliable performance for deep neural networks. Recent research usually refers to dynamic noise modeling with model output probabilities and loss values, and then separates clean…

Machine Learning · Statistics 2022-07-13 Yingsong Huang , Bing Bai , Shengwei Zhao , Kun Bai , Fei Wang

The vast majority of real world classification problems are imbalanced, meaning there are far fewer data from the class of interest (the positive class) than from other classes. We propose two machine learning algorithms to handle highly…

Machine Learning · Statistics 2014-06-10 Siong Thye Goh , Cynthia Rudin

Deep neural networks suffer from catastrophic forgetting when continually learning new concepts. In this paper, we analyze this problem from a data imbalance point of view. We argue that the imbalance between old task and new task data…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Leyuan Wang , Liuyu Xiang , Yunlong Wang , Huijia Wu , Zhaofeng He

Class-imbalanced data, in which some classes contain far more samples than others, is ubiquitous in real-world applications. Standard techniques for handling class-imbalance usually work by training on a re-weighted loss or on re-balanced…

Artificial Intelligence · Computer Science 2021-06-18 Arpit Bansal , Micah Goldblum , Valeriia Cherepanova , Avi Schwarzschild , C. Bayan Bruss , Tom Goldstein

Learning to quantify (a.k.a.\ quantification) is a task concerned with training unbiased estimators of class prevalence via supervised learning. This task originated with the observation that "Classify and Count" (CC), the trivial method of…

Machine Learning · Computer Science 2021-09-22 Alejandro Moreo , Fabrizio Sebastiani

High-quality estimates of uncertainty and robustness are crucial for numerous real-world applications, especially for deep learning which underlies many deployed ML systems. The ability to compare techniques for improving these estimates is…

Class imbalance is a common problem in medical diagnosis, causing a standard classifier to be biased towards the common classes and perform poorly on the rare classes. This is especially true for dermatology, a specialty with thousands of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Wei-Hung Weng , Jonathan Deaton , Vivek Natarajan , Gamaleldin F. Elsayed , Yuan Liu

Class imbalance is a fundamental problem in computer vision applications such as semantic segmentation. Specifically, uneven class distributions in a training dataset often result in unsatisfactory performance on under-represented classes.…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Junjiao Tian , Niluthpol Mithun , Zach Seymour , Han-Pang Chiu , Zsolt Kira