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Data in real-world object detection often exhibits the long-tailed distribution. Existing solutions tackle this problem by mitigating the competition between the head and tail categories. However, due to the scarcity of training samples,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Bo Li , Yongqiang Yao , Jingru Tan , Xin Lu , Fengwei Yu , Ye Luo , Jianwei Lu

The presence of label noise often misleads the training of deep neural networks. Departing from the recent literature which largely assumes the label noise rate is only determined by the true label class, the errors in human-annotated…

Machine Learning · Computer Science 2021-03-31 Zhaowei Zhu , Tongliang Liu , Yang Liu

Recent advances in deep learning have relied on large, labelled datasets to train high-capacity models. However, collecting large datasets in a time- and cost-efficient manner often results in label noise. We present a method for learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ahmet Iscen , Jack Valmadre , Anurag Arnab , Cordelia Schmid

Noisy Labels are commonly present in data sets automatically collected from the internet, mislabeled by non-specialist annotators, or even specialists in a challenging task, such as in the medical field. Although deep learning models have…

Machine Learning · Computer Science 2020-12-08 Filipe R. Cordeiro , Gustavo Carneiro

Learning segmentation from noisy labels is an important task for medical image analysis due to the difficulty in acquiring highquality annotations. Most existing methods neglect the pixel correlation and structural prior in segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Shuailin Li , Zhitong Gao , Xuming He

A recurring focus of the deep learning community is towards reducing the labeling effort. Data gathering and annotation using a search engine is a simple alternative to generating a fully human-annotated and human-gathered dataset. Although…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Paul Albert , Diego Ortego , Eric Arazo , Noel O'Connor , Kevin McGuinness

In real-world datasets, the challenges of long-tailed distributions and noisy labels often coexist, posing obstacles to the model training and performance. Existing studies on long-tailed noisy label learning (LTNLL) typically assume that…

Machine Learning · Computer Science 2025-03-17 Chen Shu , Mengke Li , Yiqun Zhang , Yang Lu , Bo Han , Yiu-ming Cheung , Hanzi Wang

Extracting noisy or incorrectly labeled samples from a labeled dataset with hard/difficult samples is an important yet under-explored topic. Two general and often independent lines of work exist, one focuses on addressing noisy labels, and…

Machine Learning · Computer Science 2023-07-21 Mahsa Forouzesh , Patrick Thiran

Noise in data appears to be inevitable in most real-world machine learning applications and would cause severe overfitting problems. Not only can data features contain noise, but labels are also prone to be noisy due to human input. In this…

Machine Learning · Computer Science 2025-05-09 Weipeng Huang , Qin Li , Yang Xiao , Cheng Qiao , Tie Cai , Junwei Liang , Neil J. Hurley , Guangyuan Piao

Imperfect labels limit the quality of predictions learned by deep neural networks. This is particularly relevant in medical image segmentation, where reference annotations are difficult to collect and vary significantly even across expert…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Eugene Vorontsov , Samuel Kadoury

Real-world large-scale datasets are both noisily labeled and class-imbalanced. The issues seriously hurt the generalization of trained models. It is hence significant to address the simultaneous incorrect labeling and class-imbalance, i.e.,…

Machine Learning · Computer Science 2023-11-08 Manyi Zhang , Xuyang Zhao , Jun Yao , Chun Yuan , Weiran Huang

Recent years have seen increasing use of supervised learning methods for segmentation tasks. However, the predictive performance of these algorithms depends on the quality of labels. This problem is particularly pertinent in the medical…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Le Zhang , Ryutaro Tanno , Mou-Cheng Xu , Chen Jin , Joseph Jacob , Olga Ciccarelli , Frederik Barkhof , Daniel C. Alexander

Remarkable progress has been made in object instance detection and segmentation in recent years. However, existing state-of-the-art methods are mostly evaluated with fairly balanced and class-limited benchmarks, such as Microsoft COCO…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Tao Wang , Yu Li , Bingyi Kang , Junnan Li , Jun Hao Liew , Sheng Tang , Steven Hoi , Jiashi Feng

Most studies on learning from noisy labels rely on unrealistic models of i.i.d. label noise, such as class-conditional transition matrices. More recent work on instance-dependent noise models are more realistic, but assume a single…

Machine Learning · Computer Science 2021-06-10 Glenn Dawson , Robi Polikar

Large-scale multi-label classification datasets are commonly, and perhaps inevitably, partially annotated. That is, only a small subset of labels are annotated per sample. Different methods for handling the missing labels induce different…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Emanuel Ben-Baruch , Tal Ridnik , Itamar Friedman , Avi Ben-Cohen , Nadav Zamir , Asaf Noy , Lihi Zelnik-Manor

Recently, long-tailed image classification harvests lots of research attention, since the data distribution is long-tailed in many real-world situations. Piles of algorithms are devised to address the data imbalance problem by biasing the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Chaowei Fang , Dingwen Zhang , Wen Zheng , Xue Li , Le Yang , Lechao Cheng , Junwei Han

Noisy labels severely hinder the accuracy and generalization of machine learning models, especially when ambiguous instance features make reliable annotation difficult. Existing approaches, including transition-matrix-based label…

Machine Learning · Computer Science 2026-05-12 Yuxiang Zheng , Zhongyi Han , Yilong Yin

Deep learning in the presence of noisy annotations has been studied extensively in classification, but much less in segmentation tasks. In this work, we study the learning dynamics of deep segmentation networks trained on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Sheng Liu , Kangning Liu , Weicheng Zhu , Yiqiu Shen , Carlos Fernandez-Granda

Noisy labels are ubiquitous in real-world datasets, which poses a challenge for robustly training deep neural networks (DNNs) as DNNs usually have the high capacity to memorize the noisy labels. In this paper, we find that the test accuracy…

Machine Learning · Computer Science 2019-05-14 Pengfei Chen , Benben Liao , Guangyong Chen , Shengyu Zhang

Recent studies indicate that deep neural networks degrade in generalization performance under noisy supervision. Existing methods focus on isolating clean subsets or correcting noisy labels, facing limitations such as high computational…

Machine Learning · Computer Science 2025-10-30 Kuan Zhang , Chengliang Chai , Jingzhe Xu , Chi Zhang , Han Han , Ye Yuan , Guoren Wang , Lei Cao