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Label noise is ubiquitous in real-world scenarios, posing a practical challenge to supervised models due to its effect in hurting the generalization performance of deep neural networks. Existing methods primarily employ the sample selection…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Mengmeng Sheng , Zeren Sun , Tao Chen , Shuchao Pang , Yucheng Wang , Yazhou Yao

Although deep learning has demonstrated astonishing performance in many applications, there are still concerns about its dependability. One desirable property of deep learning applications with societal impact is fairness (i.e.,…

机器学习 · 计算机科学 2021-07-30 Peixin Zhang , Jingyi Wang , Jun Sun , Xinyu Wang , Guoliang Dong , Xingen Wang , Ting Dai , Jin Song Dong

Most existing weakly supervised localization (WSL) approaches learn detectors by finding positive bounding boxes based on features learned with image-level supervision. However, those features do not contain spatial location related…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Zequn Jie , Yunchao Wei , Xiaojie Jin , Jiashi Feng , Wei Liu

As a widely used weakly supervised learning scheme, modern multiple instance learning (MIL) models achieve competitive performance at the bag level. However, instance-level prediction, which is essential for many important applications,…

机器学习 · 计算机科学 2022-06-14 Hitesh Sapkota , Qi Yu

Data rebalancing techniques, including oversampling and undersampling, are a common approach to addressing the challenges of imbalanced data. To tackle unresolved problems related to both oversampling and undersampling, we propose a new…

机器学习 · 计算机科学 2025-07-11 Karen Medlin , Sven Leyffer , Krishnan Raghavan

Recognizing new objects by learning from a few labeled examples in an evolving environment is crucial to obtain excellent generalization ability for real-world machine learning systems. A typical setting across current meta learning…

机器学习 · 计算机科学 2021-09-30 Zhenyi Wang , Tiehang Duan , Le Fang , Qiuling Suo , Mingchen Gao

Conventional semi-supervised contrastive learning methods assign pseudo-labels only to samples whose highest predicted class probability exceeds a predefined threshold, and then perform supervised contrastive learning using those selected…

机器学习 · 计算机科学 2026-01-09 Shogo Nakayama , Masahiro Okuda

The boom of DL technology leads to massive DL models built and shared, which facilitates the acquisition and reuse of DL models. For a given task, we encounter multiple DL models available with the same functionality, which are considered…

软件工程 · 计算机科学 2021-03-10 Linghan Meng , Yanhui Li , Lin Chen , Zhi Wang , Di Wu , Yuming Zhou , Baowen Xu

Semi-supervised Learning (SSL) reduces the need for extensive annotations in deep learning, but the more realistic challenge of imbalanced data distribution in SSL remains largely unexplored. In Class Imbalanced Semi-supervised Learning…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Qianhan Feng , Lujing Xie , Shijie Fang , Tong Lin

In several supervised learning scenarios, auxiliary losses are used in order to introduce additional information or constraints into the supervised learning objective. For instance, knowledge distillation aims to mimic outputs of a powerful…

机器学习 · 计算机科学 2022-12-08 Durga Sivasubramanian , Ayush Maheshwari , Pradeep Shenoy , Prathosh AP , Ganesh Ramakrishnan

Recent language models have shown remarkable performance on natural language understanding (NLU) tasks. However, they are often sub-optimal when faced with ambiguous samples that can be interpreted in multiple ways, over-confidently…

计算与语言 · 计算机科学 2024-06-17 Hancheol Park , Soyeong Jeong , Sukmin Cho , Jong C. Park

Contrastive learning has emerged as an essential approach for self-supervised learning in visual representation learning. The central objective of contrastive learning is to maximize the similarities between two augmented versions of an…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Hengkui Dong , Xianzhong Long , Yun Li , Lei Chen

While fine-tuning pre-trained models for downstream classification is the conventional paradigm in NLP, often task-specific nuances may not get captured in the resultant models. Specifically, for tasks that take two inputs and require the…

计算与语言 · 计算机科学 2022-03-28 Ashutosh Kumar , Aditya Joshi

Self-supervised learning (SSL) has emerged as a powerful technique for learning rich representations from unlabeled data. The data representations are able to capture many underlying attributes of data, and be useful in downstream…

机器学习 · 计算机科学 2023-12-01 Weicheng Zhu , Sheng Liu , Carlos Fernandez-Granda , Narges Razavian

Learning with Noisy Labels (LNL) has attracted significant attention from the research community. Many recent LNL methods rely on the assumption that clean samples tend to have "small loss". However, this assumption always fails to…

机器学习 · 计算机科学 2022-11-17 MingCai Chen , Yu Zhao , Bing He , Zongbo Han , Bingzhe Wu , Jianhua Yao

Training neural samplers directly from unnormalized densities without access to target distribution samples presents a significant challenge. A critical desideratum in these settings is achieving comprehensive mode coverage, ensuring the…

机器学习 · 计算机科学 2025-05-27 Chenguang Wang , Xiaoyu Zhang , Kaiyuan Cui , Weichen Zhao , Yongtao Guan , Tianshu Yu

Transfer Learning aims to optimally aggregate samples from a target distribution, with related samples from a so-called source distribution to improve target risk. Multiple procedures have been proposed over the last two decades to address…

机器学习 · 统计学 2025-04-29 Steve Hanneke , Samory Kpotufe

Multi-Task Learning (MTL) is a growing subject of interest in deep learning, due to its ability to train models more efficiently on multiple tasks compared to using a group of conventional single-task models. However, MTL can be impractical…

机器学习 · 计算机科学 2022-11-24 Anish Lakkapragada , Essam Sleiman , Saimourya Surabhi , Dennis P. Wall

The amount of manually labeled data is limited in medical applications, so semi-supervised learning and automatic labeling strategies can be an asset for training deep neural networks. However, the quality of the automatically generated…

机器学习 · 计算机科学 2022-03-04 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

The collected data from industrial machines are often imbalanced, which poses a negative effect on learning algorithms. However, this problem becomes more challenging for a mixed type of data or while there is overlapping between classes.…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Masoumeh Zareapoor , Pourya Shamsolmoali , Jie Yang