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The MIDOG 2025 challenge extends prior work on mitotic figure detection by introducing a new Track 2 on atypical mitosis classification. This task aims to distinguish normal from atypical mitotic figures in histopathology images, a…

Labeling a training set is often expensive and susceptible to errors, making the design of robust loss functions for label noise an important problem. The symmetry condition provides theoretical guarantees for robustness to such noise. In…

机器学习 · 计算机科学 2026-05-21 Alexandre Lemire Paquin , Brahim Chaib-Draa , Philippe Giguère

Fine-grained visual categorization (FGVC) aims at recognizing objects from similar subordinate categories, which is challenging and practical for human's accurate automatic recognition needs. Most FGVC approaches focus on the attention…

计算机视觉与模式识别 · 计算机科学 2022-09-01 Hongbo Sun , Xiangteng He , Yuxin Peng

Semi-supervised object detection (SSOD) has made significant progress with the development of pseudo-label-based end-to-end methods. However, many of these methods face challenges due to class imbalance, which hinders the effectiveness of…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Purbayan Kar , Vishal Chudasama , Naoyuki Onoe , Pankaj Wasnik

Learning robust models under distribution shifts between training and test datasets is a fundamental challenge in machine learning. While learning invariant features across environments is a popular approach, it often assumes that these…

机器学习 · 计算机科学 2025-09-15 Taero Kim , Subeen Park , Sungjun Lim , Yonghan Jung , Krikamol Muandet , Kyungwoo Song

Imbalanced data are frequently encountered in real-world classification tasks. Previous works on imbalanced learning mostly focused on learning with a minority class of few samples. However, the notion of imbalance also applies to cases…

机器学习 · 计算机科学 2024-09-09 Yin Jin , Ningtao Wang , Ruofan Wu , Pengfei Shi , Xing Fu , Weiqiang Wang

The domain of machine learning is confronted with a crucial research area known as class imbalance learning, which presents considerable hurdles in precise classification of minority classes. This issue can result in biased models where the…

机器学习 · 计算机科学 2024-02-21 M. A. Ganaie , M. Sajid , A. K. Malik , M. Tanveer

Recent works have introduced input-convex neural networks (ICNNs) as learning models with advantageous training, inference, and generalization properties linked to their convex structure. In this paper, we propose a novel feature-convex…

机器学习 · 计算机科学 2023-10-11 Samuel Pfrommer , Brendon G. Anderson , Julien Piet , Somayeh Sojoudi

Class-Incremental Learning (CIL) trains a model to continually recognize new classes from non-stationary data while retaining learned knowledge. A major challenge of CIL arises when applying to real-world data characterized by non-uniform…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Jiangpeng He , Fengqing Zhu

Imbalanced-learn is an open-source python toolbox aiming at providing a wide range of methods to cope with the problem of imbalanced dataset frequently encountered in machine learning and pattern recognition. The implemented…

机器学习 · 计算机科学 2016-09-22 Guillaume Lemaitre , Fernando Nogueira , Christos K. Aridas

In-context learning (ICL) is a new paradigm for natural language processing that utilizes Generative Pre-trained Transformer (GPT)-like models. This approach uses prompts that include in-context demonstrations to generate the corresponding…

计算与语言 · 计算机科学 2024-01-24 Momin Abbas , Yi Zhou , Parikshit Ram , Nathalie Baracaldo , Horst Samulowitz , Theodoros Salonidis , Tianyi Chen

Perceptron is a classic online algorithm for learning a classification function. In this paper, we provide a novel extension of the perceptron algorithm to the learning to rank problem in information retrieval. We consider popular listwise…

机器学习 · 计算机科学 2016-08-24 Sougata Chaudhuri , Ambuj Tewari

In-Context Learning (ICL) allows Large Language Models (LLMs) to adapt to new tasks with just a few examples, but their predictions often suffer from systematic biases, leading to unstable performance in classification. While calibration…

机器学习 · 统计学 2026-03-05 Korel Gundem , Juncheng Dong , Dennis Zhang , Vahid Tarokh , Zhengling Qi

The deployment of deep learning models in critical domains necessitates a balance between high accuracy and interpretability. We introduce SIC, an inherently interpretable neural network that provides local and global explanations of its…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Tom Nuno Wolf , Emre Kavak , Fabian Bongratz , Christian Wachinger

Zero-Shot Classification (ZSC) equips the learned model with the ability to recognize the visual instances from the novel classes via constructing the interactions between the visual and the semantic modalities. In contrast to the…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Zhong Ji , Xuejie Yu , Yunlong Yu , Yanwei Pang , Zhongfei Zhang

Recently, linear regression models incorporating an optimal transport (OT) loss have been explored for applications such as supervised unmixing of spectra, music transcription, and mass spectrometry. However, these task-specific approaches…

Complementary-label learning (CLL) is widely used in weakly supervised classification, but it faces a significant challenge in real-world datasets when confronted with class-imbalanced training samples. In such scenarios, the number of…

机器学习 · 计算机科学 2024-03-21 Meng Wei , Yong Zhou , Zhongnian Li , Xinzheng Xu

Training of deep neural networks heavily depends on the data distribution. In particular, the networks easily suffer from class imbalance. The trained networks would recognize the frequent classes better than the infrequent classes. To…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Byungju Kim , Junmo Kim

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

Self-supervised learning has revolutionized representation learning by eliminating the need for labeled data. Contrastive learning methods, such as SimCLR, maximize the agreement between augmented views of an image but lack explicit…

机器学习 · 计算机科学 2025-02-18 M. Hadi Sepanj , Paul Fiegth