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Annotating datasets for object detection is an expensive and time-consuming endeavor. To minimize this burden, active learning (AL) techniques are employed to select the most informative samples for annotation within a constrained…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Chenhongyi Yang , Lichao Huang , Elliot J. Crowley

Document images often have intricate layout structures, with numerous content regions (e.g. texts, figures, tables) densely arranged on each page. This makes the manual annotation of layout datasets expensive and inefficient. These…

Machine Learning · Computer Science 2021-03-31 Zejiang Shen , Jian Zhao , Melissa Dell , Yaoliang Yu , Weining Li

Labeling data is one of the most costly processes in machine learning pipelines. Active learning is a standard approach to alleviating this problem. Pool-based active learning first builds a pool of unlabelled data and iteratively selects…

Machine Learning · Computer Science 2023-02-13 Ryoma Sato

Quantifying the impacts of air pollution on health and climate relies on key atmospheric particle properties such as toxicity and hygroscopicity. However, these properties typically require complex observational techniques or expensive…

Machine Learning · Computer Science 2026-02-13 Fei Jiang , Jiyang Xia , Junjie Yu , Mingfei Sun , Hugh Coe , David Topping , Dantong Liu , Zhenhui Jessie Li , Zhonghua Zheng

Semantic segmentation requires pixel-level annotation, which is time-consuming. Active Learning (AL) is a promising method for reducing data annotation costs. Due to the gap between aerial and natural images, the previous AL methods are not…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Lianlei Shan , Weiqiang Wang , Ke Lv , Bin Luo

Machine learning techniques have been successfully used to classify variable stars on widely-studied astronomical surveys. These datasets have been available to astronomers long enough, thus allowing them to perform deep analysis over…

Instrumentation and Methods for Astrophysics · Physics 2018-01-31 Patricio Benavente , Pavlos Protopapas , Karim Pichara

Pool-based active learning (AL) is a promising technology for increasing data-efficiency of machine learning models. However, surveys show that performance of recent AL methods is very sensitive to the choice of dataset and training…

Machine Learning · Computer Science 2023-09-12 Tim Bakker , Herke van Hoof , Max Welling

The great success that deep models have achieved in the past is mainly owed to large amounts of labeled training data. However, the acquisition of labeled data for new tasks aside from existing benchmarks is both challenging and costly.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-27 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

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

Change detection is a major task in remote sensing which consists in finding all the occurrences of changes in multi-temporal satellite or aerial images. The success of existing methods, and particularly deep learning ones, is tributary to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Hichem Sahbi

Software systems increasingly include AI components based on deep learning (DL). Reliable testing of such systems requires near-perfect test-input validity and label accuracy, with minimal human effort. Yet, the DL community has largely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Mohammad Hossein Amini , Mehrdad Sabetzadeh , Shiva Nejati

Deep learning models have been successfully used in medical image analysis problems but they require a large amount of labeled images to obtain good performance.Deep learning models have been successfully used in medical image analysis…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Asim Smailagic , Hae Young Noh , Pedro Costa , Devesh Walawalkar , Kartik Khandelwal , Mostafa Mirshekari , Jonathon Fagert , Adrián Galdrán , Susu Xu

The advancement of Object Detection (OD) using Deep Learning (DL) is often hindered by the significant challenge of acquiring large, accurately labeled datasets, a process that is time-consuming and expensive. While techniques like Active…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Isac Holm

Training machine learning models for classification tasks often requires labeling numerous samples, which is costly and time-consuming, especially in time series analysis. This research investigates Active Learning (AL) strategies to reduce…

Machine Learning · Computer Science 2024-05-21 Shemonto Das

The performance of learning-based algorithms improves with the amount of labelled data used for training. Yet, manually annotating data is particularly difficult for medical image segmentation tasks because of the limited expert…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Mélanie Gaillochet , Christian Desrosiers , Hervé Lombaert

Modern astronomical observatories generate a massive volume of multimodal data, creating a critical bottleneck for expert human review. While multimodal large language models (LLMs) have shown promise in interpreting complex visual and…

An active learner is given a hypothesis class, a large set of unlabeled examples and the ability to interactively query labels to an oracle of a subset of these examples; the goal of the learner is to learn a hypothesis in the class that…

Machine Learning · Computer Science 2015-10-19 Chicheng Zhang , Kamalika Chaudhuri

Over the past decade, the advent of cybercrime has accelarated the research on cybersecurity. However, the deployment of intrusion detection methods falls short. One of the reasons for this is the lack of realistic evaluation datasets,…

Cryptography and Security · Computer Science 2021-08-19 Jan Klein , Sandjai Bhulai , Mark Hoogendoorn , Rob van der Mei

Counterfactual learning from observational data involves learning a classifier on an entire population based on data that is observed conditioned on a selection policy. This work considers this problem in an active setting, where the…

Machine Learning · Statistics 2019-10-29 Songbai Yan , Kamalika Chaudhuri , Tara Javidi

Supervised classification approaches can predict labels for unknown data because of the supervised training process. The success of classification is heavily dependent on the labeled training data. Differently, clustering is effective in…

Machine Learning · Computer Science 2015-02-19 Fangfang Li , Guandong Xu , Longbing Cao