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Learning an effective representation in multi-label text classification (MLTC) is a significant challenge in NLP. This challenge arises from the inherent complexity of the task, which is shaped by two key factors: the intricate connections…

机器学习 · 计算机科学 2024-04-16 Alexandre Audibert , Aurélien Gauffre , Massih-Reza Amini

In this paper, we propose an Aligned Contrastive Learning (ACL) algorithm to address the long-tailed recognition problem. Our findings indicate that while multi-view training boosts the performance, contrastive learning does not…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Jiali Ma , Jiequan Cui , Maeno Kazuki , Lakshmi Subramanian , Karlekar Jayashree , Sugiri Pranata , Hanwang Zhang

Deep metric learning has yielded impressive results in tasks such as clustering and image retrieval by leveraging neural networks to obtain highly discriminative feature embeddings, which can be used to group samples into different classes.…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Ismail Elezi , Jenny Seidenschwarz , Laurin Wagner , Sebastiano Vascon , Alessandro Torcinovich , Marcello Pelillo , Laura Leal-Taixe

Deep learning enables impressive performance in image recognition using large-scale artificially-balanced datasets. However, real-world datasets exhibit highly class-imbalanced distributions, yielding two main challenges: relative imbalance…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Saurabh Sharma , Ning Yu , Mario Fritz , Bernt Schiele

Food classification serves as the basic step of image-based dietary assessment to predict the types of foods in each input image. However, food image predictions in a real world scenario are usually long-tail distributed among different…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Jiangpeng He , Luotao Lin , Heather Eicher-Miller , Fengqing Zhu

Partially-supervised multi-organ medical image segmentation aims to develop a unified semantic segmentation model by utilizing multiple partially-labeled datasets, with each dataset providing labels for a single class of organs. However,…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Xixi Jiang , Dong Zhang , Xiang Li , Kangyi Liu , Kwang-Ting Cheng , Xin Yang

Supervised deep learning-based methods yield accurate results for medical image segmentation. However, they require large labeled datasets for this, and obtaining them is a laborious task that requires clinical expertise.…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Krishna Chaitanya , Ertunc Erdil , Neerav Karani , Ender Konukoglu

Medical image classification has been widely adopted in medical image analysis. However, due to the difficulty of collecting and labeling data in the medical area, medical image datasets are usually highly-imbalanced. To address this…

计算机视觉与模式识别 · 计算机科学 2022-09-02 Zhixiong Yang , Junwen Pan , Yanzhan Yang , Xiaozhou Shi , Hong-Yu Zhou , Zhicheng Zhang , Cheng Bian

Although contrastive learning methods have shown prevailing performance on a variety of representation learning tasks, they encounter difficulty when the training dataset is long-tailed. Many researchers have combined contrastive learning…

机器学习 · 计算机科学 2023-08-09 Min-Kook Suh , Seung-Woo Seo

Multi-task learning (MTL) is frequently used in settings where a target task has to be learnt based on limited training data, but knowledge can be leveraged from related auxiliary tasks. While MTL can improve task performance overall…

机器学习 · 计算机科学 2020-12-18 Rafael Peres da Silva , Chayaporn Suphavilai , Niranjan Nagarajan

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

Supervised training of deep learning models requires large labeled datasets. There is a growing interest in obtaining such datasets for medical image analysis applications. However, the impact of label noise has not received sufficient…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Davood Karimi , Haoran Dou , Simon K. Warfield , Ali Gholipour

DNN-based cross-modal retrieval has become a research hotspot, by which users can search results across various modalities like image and text. However, existing methods mainly focus on the pairwise correlation and reconstruction error of…

机器学习 · 计算机科学 2017-04-06 Xin Huang , Yuxin Peng

Existing long-tailed recognition methods, aiming to train class-balanced models from long-tailed data, generally assume the models would be evaluated on the uniform test class distribution. However, practical test class distributions often…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Yifan Zhang , Bryan Hooi , Lanqing Hong , Jiashi Feng

Multi-label learning deals with the classification problems where each instance can be assigned with multiple labels simultaneously. Conventional multi-label learning approaches mainly focus on exploiting label correlations. It is usually…

机器学习 · 计算机科学 2014-07-08 Xiangnan Kong , Zhaoming Wu , Li-Jia Li , Ruofei Zhang , Philip S. Yu , Hang Wu , Wei Fan

Our work focuses on tackling the challenging but natural visual recognition task of long-tailed data distribution (i.e., a few classes occupy most of the data, while most classes have rarely few samples). In the literature, class…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Boyan Zhou , Quan Cui , Xiu-Shen Wei , Zhao-Min Chen

Multi-label classification poses challenges due to imbalanced and noisy labels in training data. We propose a unified data augmentation method, named BalanceMix, to address these challenges. Our approach includes two samplers for imbalanced…

机器学习 · 计算机科学 2023-12-13 Hwanjun Song , Minseok Kim , Jae-Gil Lee

We investigate robust nonparametric regression in the presence of heavy-tailed noise, where the hypothesis class may contain unbounded functions and robustness is ensured via a robust loss function $\ell_\sigma$. Using Huber regression as a…

机器学习 · 计算机科学 2025-10-14 Yunlong Feng , Qiang Wu

Loss reweighting is a widely used strategy for long-tailed classification, but existing reweighting strategies often rely on heuristics and rarely define a well-specified target. Inspired by Neural Collapse (NC), the ideal simplex…

机器学习 · 计算机科学 2026-05-12 Jinping Wang , Zixin Tong , Zhiwu Xie , Zhiqiang Gao

An important challenge in metric learning is scalability to both size and dimension of input data. Online metric learning algorithms are proposed to address this challenge. Existing methods are commonly based on (Passive Aggressive) PA…

机器学习 · 计算机科学 2020-10-13 Davood Zabihzadeh , Amar Tuama , Ali Karami-Mollaee
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