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Active learning aims to train accurate classifiers while minimizing labeling costs by strategically selecting informative samples for annotation. This study focuses on image classification tasks, comparing AL methods on CIFAR10, CIFAR100,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Moseli Mots'oehli , kyungim Baek

In real-world scenarios, many large-scale datasets often contain inaccurate labels, i.e., noisy labels, which may confuse model training and lead to performance degradation. To overcome this issue, Label Noise Learning (LNL) has recently…

Machine Learning · Computer Science 2022-03-22 Yongliang Ding , Tao Zhou , Chuang Zhang , Yijing Luo , Juan Tang , Chen Gong

Given data with noisy labels, over-parameterized deep networks can gradually memorize the data, and fit everything in the end. Although equipped with corrections for noisy labels, many learning methods in this area still suffer overfitting…

Machine Learning · Computer Science 2020-10-19 Bo Han , Gang Niu , Xingrui Yu , Quanming Yao , Miao Xu , Ivor Tsang , Masashi Sugiyama

Recent deep neural networks (DNNs) can easily overfit to biased training data with noisy labels. Label correction strategy is commonly used to alleviate this issue by designing a method to identity suspected noisy labels and then correct…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Yichen Wu , Jun Shu , Qi Xie , Qian Zhao , Deyu Meng

Large-scale datasets in the real world inevitably involve label noise. Deep models can gradually overfit noisy labels and thus degrade model generalization. To mitigate the effects of label noise, learning with noisy labels (LNL) methods…

Computation and Language · Computer Science 2023-05-19 Tingting Wu , Xiao Ding , Minji Tang , Hao Zhang , Bing Qin , Ting Liu

In this paper we propose a novel methodology to construct Optimal Classification Trees that takes into account that noisy labels may occur in the training sample. Our approach rests on two main elements: (1) the splitting rules for the…

Machine Learning · Computer Science 2020-12-17 Víctor Blanco , Alberto Japón , Justo Puerto

Semi-supervised learning (SSL) aims to leverage massive unlabeled data when labels are expensive to obtain. Unfortunately, in many real-world applications, the collected unlabeled data will inevitably contain unseen-class outliers not…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Zekun Li , Lei Qi , Yinghuan Shi , Yang Gao

Intent detection is one of the core components of goal-oriented dialog systems, and detecting out-of-scope (OOS) intents is also a practically important skill. Few-shot learning is attracting much attention to mitigate data scarcity, but…

Computation and Language · Computer Science 2020-10-27 Jian-Guo Zhang , Kazuma Hashimoto , Wenhao Liu , Chien-Sheng Wu , Yao Wan , Philip S. Yu , Richard Socher , Caiming Xiong

Real-world datasets commonly have noisy labels, which negatively affects the performance of deep neural networks (DNNs). In order to address this problem, we propose a label noise robust learning algorithm, in which the base classifier is…

Machine Learning · Computer Science 2022-07-13 Görkem Algan , Ilkay Ulusoy

Learning with noisy labels (LNL) aims to train a high-performing model using a noisy dataset. We observe that noise for a given class often comes from a limited set of categories, yet many LNL methods overlook this. For example, an image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Siqi Wang , Bryan A. Plummer

Open intent classification, which aims to correctly classify the known intents into their corresponding classes while identifying the new unknown (open) intents, is an essential but challenging task in dialogue systems. In this paper, we…

Computation and Language · Computer Science 2023-04-21 Xiaokang Liu , Jianquan Li , Jingjing Mu , Min Yang , Ruifeng Xu , Benyou Wang

Recent studies in deep learning have shown significant progress in named entity recognition (NER). Most existing works assume clean data annotation, yet a fundamental challenge in real-world scenarios is the large amount of noise from a…

Computation and Language · Computer Science 2021-04-13 Kun Liu , Yao Fu , Chuanqi Tan , Mosha Chen , Ningyu Zhang , Songfang Huang , Sheng Gao

Sample selection is a prevalent method in learning with noisy labels, where small-loss data are typically considered as correctly labeled data. However, this method may not effectively identify clean hard examples with large losses, which…

Machine Learning · Computer Science 2023-08-29 Suqin Yuan , Lei Feng , Tongliang Liu

Image classification systems recently made a giant leap with the advancement of deep neural networks. However, these systems require an excessive amount of labeled data to be adequately trained. Gathering a correctly annotated dataset is…

Machine Learning · Computer Science 2021-01-19 Görkem Algan , Ilkay Ulusoy

In this dissertation, we propose a systemic framework that prioritizes informative features and examples to enhance each stage of the development process. Specifically, we prioritize informative features and examples and improve the…

Machine Learning · Computer Science 2024-08-13 Dongmin Park

The recent success of deep learning is mostly due to the availability of big datasets with clean annotations. However, gathering a cleanly annotated dataset is not always feasible due to practical challenges. As a result, label noise is a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Görkem Algan , İlkay Ulusoy

Deep learning has achieved excellent performance in various computer vision tasks, but requires a lot of training examples with clean labels. It is easy to collect a dataset with noisy labels, but such noise makes networks overfit seriously…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Kun Yi , Jianxin Wu

With the increasing ageing population, fall events classification has drawn much research attention. In the development of deep learning, the quality of data labels is crucial. Most of the datasets are labelled automatically or…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Leiyu Xie , Yang Sun , Syed Mohsen Naqvi

In recent years, the remarkable success of deep neural networks (DNNs) in computer vision is largely due to large-scale, high-quality labeled datasets. Training directly on real-world datasets with label noise may result in overfitting. The…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Yuandi Zhao , Qianxi Xia , Yang Sun , Zhijie Wen , Liyan Ma , Shihui Ying

Concept bottleneck models (CBMs) ensure interpretability by decomposing predictions into human interpretable concepts. Yet the annotations used for training CBMs that enable this transparency are often noisy, and the impact of such…

Machine Learning · Computer Science 2026-02-02 Seonghwan Park , Jueun Mun , Donghyun Oh , Namhoon Lee