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Semi-supervised semantic segmentation methods leverage unlabeled data by pseudo-labeling them. Thus the success of these methods hinges on the reliablility of the pseudo-labels. Existing methods mostly choose high-confidence pixels in an…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Prantik Howlader , Hieu Le , Dimitris Samaras

Collecting a large number of reliable training images annotated by multiple land-cover class labels in the framework of multi-label classification is time-consuming and costly in remote sensing (RS). To address this problem, publicly…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Ahmet Kerem Aksoy , Mahdyar Ravanbakhsh , Tristan Kreuziger , Begum Demir

Label noise widely exists in large-scale datasets and significantly degenerates the performances of deep learning algorithms. Due to the non-identifiability of the instance-dependent noise transition matrix, most existing algorithms address…

Machine Learning · Computer Science 2023-05-16 Hanwen Deng , Weijia Zhang , Min-Ling Zhang

Several works in computer vision have demonstrated the effectiveness of active learning for adapting the recognition model when new unlabeled data becomes available. Most of these works consider that labels obtained from the annotator are…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Sudipta Paul , Shivkumar Chandrasekaran , B. S. Manjunath , Amit K. Roy-Chowdhury

Detecting critical transitions in complex, noisy time-series data is a fundamental challenge across science and engineering. Such transitions may be anticipated by the emergence of a low-dimensional order parameter, whose signature is often…

Machine Learning · Computer Science 2025-12-16 Wenqi Fang , Ye Li

With the widespread use of machine learning for classification, it becomes increasingly important to be able to use weaker kinds of supervision for tasks in which it is hard to obtain standard labeled data. One such kind of supervision is…

Machine Learning · Computer Science 2020-02-05 Soham Dan , Han Bao , Masashi Sugiyama

This paper considers the problem of unsupervised person re-identification (re-ID), which aims to learn discriminative models with unlabeled data. One popular method is to obtain pseudo-label by clustering and use them to optimize the model.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Fengxiang Yang , Zhun Zhong , Zhiming Luo , Yuanzheng Cai , Yaojin Lin , Shaozi Li , Nicu Sebe

Multi-label image classification aims to predict all possible labels in an image. It is usually formulated as a partial-label learning problem, given the fact that it could be expensive in practice to annotate all labels in every training…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Rabab Abdelfattah , Xin Zhang , Zhenyao Wu , Xinyi Wu , Xiaofeng Wang , Song Wang

In this paper, we study the problem of learning image classification models with label noise. Existing approaches depending on human supervision are generally not scalable as manually identifying correct or incorrect labels is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Kuang-Huei Lee , Xiaodong He , Lei Zhang , Linjun Yang

Topic modelling is a pivotal unsupervised machine learning technique for extracting valuable insights from large document collections. Existing neural topic modelling methods often encode contextual information of documents, while ignoring…

Computation and Language · Computer Science 2025-02-07 Yanan Ma , Chenghao Xiao , Chenhan Yuan , Sabine N van der Veer , Lamiece Hassan , Chenghua Lin , Goran Nenadic

Leveraging the powerful representation learning capabilities, deep multi-view clustering methods have demonstrated reliable performance by effectively integrating multi-source information from diverse views in recent years. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Xihong Yang , Siwei Wang , Fangdi Wang , Jiaqi Jin , Suyuan Liu , Yue Liu , En Zhu , Xinwang Liu , Yueming Jin

Cross-modal retrieval methods build a common representation space for samples from multiple modalities, typically from the vision and the language domains. For images and their captions, the multiplicity of the correspondences makes the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Sanghyuk Chun , Seong Joon Oh , Rafael Sampaio de Rezende , Yannis Kalantidis , Diane Larlus

Learning from noisy labels (LNL) is crucial in deep learning, in which one of the approaches is to identify clean-label samples from poorly-annotated datasets. Such an identification is challenging because the conventional LNL problem,…

Machine Learning · Computer Science 2025-09-26 Cuong Nguyen , Thanh-Toan Do , Gustavo Carneiro

The success of Deep Neural Network (DNN) models significantly depends on the quality of provided annotations. In medical image segmentation, for example, having multiple expert annotations for each data point is common to minimize…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Asma Ahmed Hashmi , Aigerim Zhumabayeva , Nikita Kotelevskii , Artem Agafonov , Mohammad Yaqub , Maxim Panov , Martin Takáč

Convolutional Neural Networks (CNNs) provide excellent performance when used for image classification. The classical method of training CNNs is by labeling images in a supervised manner as in "input image belongs to this label" (Positive…

Machine Learning · Computer Science 2019-08-21 Youngdong Kim , Junho Yim , Juseung Yun , Junmo Kim

Recent multimodal models such as Contrastive Language-Image Pre-training (CLIP) have shown remarkable ability to align visual and linguistic representations. However, domains where small visual differences carry large semantic significance,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Hiroshi Sasaki

Noisy labels damage the performance of deep networks. For robust learning, a prominent two-stage pipeline alternates between eliminating possible incorrect labels and semi-supervised training. However, discarding part of noisy labels could…

Machine Learning · Computer Science 2023-01-09 Mingcai Chen , Hao Cheng , Yuntao Du , Ming Xu , Wenyu Jiang , Chongjun Wang

Unsupervised visible-infrared person re-identification (UVI-ReID) aims to retrieve pedestrian images across different modalities without costly annotations, but faces challenges due to the modality gap and lack of supervision. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Yongxiang Li , Yuan Sun , Yang Qin , Dezhong Peng , Xi Peng , Peng Hu

We tackle the problem of learning linear classifiers from noisy datasets in a multiclass setting. The two-class version of this problem was studied a few years ago by, e.g. Bylander (1994) and Blum et al. (1996): in these contributions, the…

Machine Learning · Computer Science 2014-03-21 Ugo Louche , Liva Ralaivola

The label noise transition matrix, characterizing the probabilities of a training instance being wrongly annotated, is crucial to designing popular solutions to learning with noisy labels. Existing works heavily rely on finding "anchor…

Machine Learning · Computer Science 2021-07-15 Zhaowei Zhu , Yiwen Song , Yang Liu