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Machine learning models have shown exceptional prowess in solving complex issues across various domains. However, these models can sometimes exhibit biased decision-making, resulting in unequal treatment of different groups. Despite…

机器学习 · 计算机科学 2025-06-26 Shuyi Chen , Shixiang Zhu

We propose a novel unsupervised generative model that learns to disentangle object identity from other low-level aspects in class-imbalanced data. We first investigate the issues surrounding the assumptions about uniformity made by InfoGAN,…

机器学习 · 计算机科学 2020-11-02 Utkarsh Ojha , Krishna Kumar Singh , Cho-Jui Hsieh , Yong Jae Lee

Simultaneous segmentation of multiple organs from different medical imaging modalities is a crucial task as it can be utilized for computer-aided diagnosis, computer-assisted surgery, and therapy planning. Thanks to the recent advances in…

计算机视觉与模式识别 · 计算机科学 2021-09-16 Saeid Asgari Taghanaki , Yefeng Zheng , S. Kevin Zhou , Bogdan Georgescu , Puneet Sharma , Daguang Xu , Dorin Comaniciu , Ghassan Hamarneh

Class imbalance remains a major challenge in machine learning, especially in multi-class problems with long-tailed distributions. Existing methods, such as data resampling, cost-sensitive techniques, and logistic loss modifications, though…

机器学习 · 计算机科学 2025-12-30 Corinna Cortes , Anqi Mao , Mehryar Mohri , Yutao Zhong

Fairness in machine learning seeks to mitigate model bias against individuals based on sensitive features such as sex or age, often caused by an uneven representation of the population in the training data due to selection bias. Notably,…

机器学习 · 计算机科学 2024-10-10 Yasin I. Tepeli , Joana P. Gonçalves

The data imbalance problem is a frequent bottleneck in the classification performance of neural networks. In this paper, we propose a novel supervised discriminative feature generation (DFG) method for a minority class dataset. DFG is based…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Sungho Suh , Paul Lukowicz , Yong Oh Lee

With the wide application of machine learning algorithms to the real world, class imbalance and concept drift have become crucial learning issues. Class imbalance happens when the data categories are not equally represented, i.e., at least…

机器学习 · 计算机科学 2017-08-01 Shuo Wang , Leandro L. Minku , Nitesh Chawla , Xin Yao

Real-world data is extremely imbalanced and presents a long-tailed distribution, resulting in models that are biased towards classes with sufficient samples and perform poorly on rare classes. Recent methods propose to rebalance classes but…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Weiqi Li , Fan Lyu , Fanhua Shang , Liang Wan , Wei Feng

Deep learning models have gained remarkable performance on a variety of image classification tasks. However, many models suffer from limited performance in clinical or medical settings when data are imbalanced. To address this challenge, we…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Long Gao , Chang Liu , Dooman Arefan , Ashok Panigrahy , Margarita L. Zuley , Shandong Wu

When trained with severely imbalanced data, deep neural networks often struggle to accurately recognize classes with only a few samples. Previous studies in long-tailed recognition have attempted to rebalance biased learning using known…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Minseok Son , Inyong Koo , Jinyoung Park , Changick Kim

In this paper, a new classifier based on the intrinsic properties of the data is proposed. Classification is an essential task in data mining-based applications. The classification problem will be challenging when the size of the training…

机器学习 · 计算机科学 2020-10-14 Sahar Tavakoli

Object detection is a task that performs position identification and label classification of objects in images or videos. The information obtained through this process plays an essential role in various tasks in the field of computer…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Heewon Lee , Sangtae Ahn

Data for face analysis often exhibit highly-skewed class distribution, i.e., most data belong to a few majority classes, while the minority classes only contain a scarce amount of instances. To mitigate this issue, contemporary deep…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Chen Huang , Yining Li , Chen Change Loy , Xiaoou Tang

In multi-task learning (MTL), gradient balancing has recently attracted more research interest than loss balancing since it often leads to better performance. However, loss balancing is much more efficient than gradient balancing, and thus…

机器学习 · 计算机科学 2023-07-31 Yanqi Dai , Nanyi Fei , Zhiwu Lu

Class imbalance in a dataset is one of the major challenges that can significantly impact the performance of machine learning models resulting in biased predictions. Numerous techniques have been proposed to address class imbalanced…

机器学习 · 计算机科学 2022-10-25 Md Manjurul Ahsan , Md Shahin Ali , Zahed Siddique

The rapid advancement in data-driven research has increased the demand for effective graph data analysis. However, real-world data often exhibits class imbalance, leading to poor performance of machine learning models. To overcome this…

机器学习 · 计算机科学 2023-04-11 Yihong Ma , Yijun Tian , Nuno Moniz , Nitesh V. Chawla

Real-world object classes appear in imbalanced ratios. This poses a significant challenge for classifiers which get biased towards frequent classes. We hypothesize that improving the generalization capability of a classifier should improve…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Munawar Hayat , Salman Khan , Waqas Zamir , Jianbing Shen , Ling Shao

Class imbalance occurs in many real-world applications, including image classification, where the number of images in each class differs significantly. With imbalanced data, the generative adversarial networks (GANs) leans to majority class…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Yuchong Yao , Xiaohui Wangr , Yuanbang Ma , Han Fang , Jiaying Wei , Liyuan Chen , Ali Anaissi , Ali Braytee

Data imbalance is a well-known issue in the field of machine learning, attributable to the cost of data collection, the difficulty of labeling, and the geographical distribution of the data. In computer vision, bias in data distribution…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Shubham Shrivastava , Xianling Zhang , Sushruth Nagesh , Armin Parchami

The primary challenge of multi-label active learning, differing it from multi-class active learning, lies in assessing the informativeness of an indefinite number of labels while also accounting for the inherited label correlation. Existing…

机器学习 · 计算机科学 2025-09-05 Yuanyuan Qi , Jueqing Lu , Xiaohao Yang , Joanne Enticott , Lan Du