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We introduce a model that learns active learning algorithms via metalearning. For a distribution of related tasks, our model jointly learns: a data representation, an item selection heuristic, and a method for constructing prediction…

Machine Learning · Computer Science 2017-08-02 Philip Bachman , Alessandro Sordoni , Adam Trischler

We develop the first active learning method for contextual linear optimization. Specifically, we introduce a label acquisition algorithm that sequentially decides whether to request the ``labels'' of feature samples from an unlabeled data…

Machine Learning · Computer Science 2025-01-31 Mo Liu , Paul Grigas , Heyuan Liu , Zuo-Jun Max Shen

Online active learning is a paradigm in machine learning that aims to select the most informative data points to label from a data stream. The problem of minimizing the cost associated with collecting labeled observations has gained a lot…

Machine Learning · Statistics 2023-12-01 Davide Cacciarelli , Murat Kulahci

We investigate different strategies for active learning with Bayesian deep neural networks. We focus our analysis on scenarios where new, unlabeled data is obtained episodically, such as commonly encountered in mobile robotics applications.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-23 Feras Dayoub , Niko Sünderhauf , Peter Corke

Active learning (AL) is a widely-used training strategy for maximizing predictive performance subject to a fixed annotation budget. In AL one iteratively selects training examples for annotation, often those for which the current model is…

Machine Learning · Computer Science 2019-11-05 David Lowell , Zachary C. Lipton , Byron C. Wallace

Despite the availability of ever more data enabled through modern sensor and computer technology, it still remains an open problem to learn dynamical systems in a sample-efficient way. We propose active learning strategies that leverage…

Machine Learning · Computer Science 2020-12-08 Mona Buisson-Fenet , Friedrich Solowjow , Sebastian Trimpe

Active learning is an effective technique for reducing the labeling cost by improving data efficiency. In this work, we propose a novel batch acquisition strategy for active learning in the setting where the model training is performed in a…

Machine Learning · Computer Science 2020-10-20 Zalán Borsos , Marco Tagliasacchi , Andreas Krause

The objective of active learning (AL) is to train classification models with less number of labeled instances by selecting only the most informative instances for labeling. The AL algorithms designed for other data types such as images and…

Machine Learning · Statistics 2020-07-23 Kaushalya Madhawa , Tsuyoshi Murata

Active Learning is a very common yet powerful framework for iteratively and adaptively sampling subsets of the unlabeled sets with a human in the loop with the goal of achieving labeling efficiency. Most real world datasets have imbalance…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Suraj Kothawade , Shivang Chopra , Saikat Ghosh , Rishabh Iyer

Exploration efficiency is a challenging problem in multi-agent reinforcement learning (MARL), as the policy learned by confederate MARL depends on the collaborative approach among multiple agents. Another important problem is the less…

Machine Learning · Computer Science 2019-12-30 Qisheng Wang , Qichao Wang

Activity recognition is a challenging problem with many practical applications. In addition to the visual features, recent approaches have benefited from the use of context, e.g., inter-relationships among the activities and objects.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Mahmudul Hasan , Sujoy Paul , Anastasios I. Mourikis , Amit K. Roy-Chowdhury

In recent years, there has been a surge in research on Question Difficulty Estimation (QDE) using natural language processing techniques. Transformer-based neural networks achieve state-of-the-art performance, primarily through supervised…

Machine Learning · Computer Science 2024-10-11 Arthur Thuy , Ekaterina Loginova , Dries F. Benoit

Active learning aims to obtain a classifier of high accuracy by using fewer label requests in comparison to passive learning by selecting effective queries. Many active learning methods have been developed in the past two decades, which…

Machine Learning · Computer Science 2016-08-08 Cem Orhan , Öznur Taştan

Active learning generally involves querying the most representative samples for human labeling, which has been widely studied in many fields such as image classification and object detection. However, its potential has not been explored in…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Jun Wang , Shaoguo Wen , Kaixing Chen , Jianghua Yu , Xin Zhou , Peng Gao , Changsheng Li , Guotong Xie

Incremental learning of semantic segmentation has emerged as a promising strategy for visual scene interpretation in the open- world setting. However, it remains challenging to acquire novel classes in an online fashion for the segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Shipeng Yan , Jiale Zhou , Jiangwei Xie , Songyang Zhang , Xuming He

Active learning shows promise to decrease test bench time for model-based drivability calibration. This paper presents a new strategy for active output selection, which suits the needs of calibration tasks. The strategy is actively learning…

Machine Learning · Computer Science 2021-02-24 Adrian Prochaska , Julien Pillas , Bernard Bäker

We analyze the problem of active covering, where the learner is given an unlabeled dataset and can sequentially label query examples. The objective is to label query all of the positive examples in the fewest number of total label queries.…

Machine Learning · Computer Science 2021-06-07 Heinrich Jiang , Afshin Rostamizadeh

The iterative selection of examples for labeling in active machine learning is conceptually similar to feedback channel coding in information theory: in both tasks, the objective is to seek a minimal sequence of actions to encode…

Machine Learning · Statistics 2021-03-02 Gregory Canal , Matthieu Bloch , Christopher Rozell

Labeling each instance in a large dataset is extremely labor- and time- consuming . One way to alleviate this problem is active learning, which aims to which discover the most valuable instances for labeling to construct a powerful…

Machine Learning · Computer Science 2018-03-07 Xi Fang , Zengmao Wang , Xinyao Tang , Chen Wu

In this survey we present different approaches that allow an intelligent agent to explore autonomous its environment to gather information and learn multiple tasks. Different communities proposed different solutions, that are in many cases,…

Artificial Intelligence · Computer Science 2014-03-07 Manuel Lopes , Luis Montesano