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We propose a general purpose active learning algorithm for structured prediction, gathering labeled data for training a model that outputs a set of related labels for an image or video. Active learning starts with a limited initial training…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Mehran Khodabandeh , Zhiwei Deng , Mostafa S. Ibrahim , Shinichi Satoh , Greg Mori

Active learning aims to develop label-efficient algorithms by querying the most informative samples to be labeled by an oracle. The design of efficient training methods that require fewer labels is an important research direction that…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Ali Mottaghi , Serena Yeung

Active learning for sentence understanding attempts to reduce the annotation cost by identifying the most informative examples. Common methods for active learning use either uncertainty or diversity sampling in the pool-based scenario. In…

Computation and Language · Computer Science 2022-10-28 Hanshan Zhang , Zhen Zhang , Hongfei Jiang , Yang Song

Active learning (AL) is a human-and-model-in-the-loop paradigm that iteratively selects informative unlabeled data for human annotation, aiming to improve over random sampling. However, performing AL experiments with human annotations…

Machine Learning · Computer Science 2023-05-24 Katerina Margatina , Nikolaos Aletras

Machine learning models are increasingly being utilized across various fields and tasks due to their outstanding performance and strong generalization capabilities. Nonetheless, their success hinges on the availability of large volumes of…

Machine Learning · Computer Science 2024-11-26 Shreen Gul , Mohamed Elmahallawy , Sanjay Madria , Ardhendu Tripathy

Training multimodal models requires a large amount of labeled data. Active learning (AL) aim to reduce labeling costs. Most AL methods employ warm-start approaches, which rely on sufficient labeled data to train a well-calibrated model that…

Multimedia · Computer Science 2024-12-13 Meng Shen , Yake Wei , Jianxiong Yin , Deepu Rajan , Di Hu , Simon See

Multiple categories of objects are present in most images. Treating this as a multi-class classification is not justified. We treat this as a multi-label classification problem. In this paper, we further aim to minimize the supervision…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Rajat , Munender Varshney , Pravendra Singh , Vinay P. Namboodiri

Active learning strategies respond to the costly labelling task in a supervised classification by selecting the most useful unlabelled examples in training a predictive model. Many conventional active learning algorithms focus on refining…

Machine Learning · Computer Science 2014-08-12 Djallel Bouneffouf

Most prior work on active learning of classifiers has focused on sequentially selecting one unlabeled example at a time to be labeled in order to reduce the overall labeling effort. In many scenarios, however, it is desirable to label an…

Machine Learning · Computer Science 2012-07-03 Javad Azimi , Alan Fern , Xiaoli Zhang-Fern , Glencora Borradaile , Brent Heeringa

Given a limited labeling budget, active learning (AL) aims to sample the most informative instances from an unlabeled pool to acquire labels for subsequent model training. To achieve this, AL typically measures the informativeness of…

Machine Learning · Computer Science 2023-07-07 Cheng Chen , Yong Wang , Lizi Liao , Yueguo Chen , Xiaoyong Du

We address the problem of active learning under label shift: when the class proportions of source and target domains differ. We introduce a "medial distribution" to incorporate a tradeoff between importance weighting and class-balanced…

Machine Learning · Computer Science 2021-03-01 Eric Zhao , Anqi Liu , Animashree Anandkumar , Yisong Yue

Labeling a large set of data is expensive. Active learning aims to tackle this problem by asking to annotate only the most informative data from the unlabeled set. We propose a novel active learning approach that utilizes self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 John Seon Keun Yi , Minseok Seo , Jongchan Park , Dong-Geol Choi

We study a fundamental learning problem over multiple groups with unknown data distributions, where an analyst would like to learn the mean of each group. Moreover, we want to ensure that this data is collected in a relatively fair manner…

Machine Learning · Computer Science 2025-05-22 Abdellah Aznag , Rachel Cummings , Adam N. Elmachtoub

Annotation of training data is the major bottleneck in the creation of text classification systems. Active learning is a commonly used technique to reduce the amount of training data one needs to label. A crucial aspect of active learning…

Machine Learning · Computer Science 2019-04-24 Garrett Beatty , Ethan Kochis , Michael Bloodgood

Active learning is a machine learning paradigm designed to optimize model performance in a setting where labeled data is expensive to acquire. In this work, we propose a novel active learning method called SUPClust that seeks to identify…

Machine Learning · Computer Science 2024-03-07 Yuta Ono , Till Aczel , Benjamin Estermann , Roger Wattenhofer

Machine Learning (ML) is widely used to automatically extract meaningful information from Electronic Health Records (EHR) to support operational, clinical, and financial decision-making. However, ML models require a large number of…

Machine Learning · Computer Science 2021-04-14 Martha Dais Ferreira , Michal Malyska , Nicola Sahar , Riccardo Miotto , Fernando Paulovich , Evangelos Milios

Meta-learning is an effective method to handle imbalanced and noisy-label learning, but it depends on a validation set containing randomly selected, manually labelled and balanced distributed samples. The random selection and manual…

Machine Learning · Computer Science 2025-10-09 Dung Anh Hoang , Cuong Nguyen , Belagiannis Vasileios , Thanh-Toan Do , Gustavo Carneiro

Many active learning and search approaches are intractable for large-scale industrial settings with billions of unlabeled examples. Existing approaches search globally for the optimal examples to label, scaling linearly or even…

The quantification and inference of predictive importance for exposure covariates have recently gained significant attention in the context of interpretable machine learning. Contemporary scientific investigations often involve data…

Methodology · Statistics 2024-12-31 Zitao Wang , Nian Si , Zijian Guo , Molei Liu

Active Learning (AL) is a learning task that requires learners interactively query the labels of the sampled unlabeled instances to minimize the training outputs with human supervisions. In theoretical study, learners approximate the…

Machine Learning · Computer Science 2020-09-29 Xiaofeng Cao , Ivor W. Tsang , Guandong Xu