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Active learning aims to reduce labeling costs by selecting only the most informative samples on a dataset. Few existing works have addressed active learning for object detection. Most of these methods are based on multiple models or are…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Jiwoong Choi , Ismail Elezi , Hyuk-Jae Lee , Clement Farabet , Jose M. Alvarez

Active learning has been utilized as an efficient tool in building anomaly detection models by leveraging expert feedback. In an active learning framework, a model queries samples to be labeled by experts and re-trains the model with the…

机器学习 · 计算机科学 2023-09-19 Minkyung Kim , Junsik Kim , Jongmin Yu , Jun Kyun Choi

In many real-world machine learning applications, unlabeled samples are easy to obtain, but it is expensive and/or time-consuming to label them. Active learning is a common approach for reducing this data labeling effort. It optimally…

机器学习 · 计算机科学 2022-11-15 Ziang Liu , Dongrui Wu

Recently, Convolutional Neural Networks (CNNs) have shown unprecedented success in the field of computer vision, especially on challenging image classification tasks by relying on a universal approach, i.e., training a deep model on a…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Johan Phan , Massimiliano Ruocco , Francesco Scibilia

Human annotation of training samples is expensive, laborious, and sometimes challenging, especially for Natural Language Processing (NLP) tasks. To reduce the labeling cost and enhance the sample efficiency, Active Learning (AL) technique…

计算与语言 · 计算机科学 2024-01-17 Xuesong Wang

An active learning (AL) algorithm seeks to construct an effective classifier with a minimal number of labeled examples in a bootstrapping manner. While standard AL heuristics, such as selecting those points for annotation for which a…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Ishani Mondal , Debasis Ganguly

Active learning in semi-supervised classification involves introducing additional labels for unlabelled data to improve the accuracy of the underlying classifier. A challenge is to identify which points to label to best improve performance…

机器学习 · 统计学 2024-11-18 Kevin Miller , Andrea L. Bertozzi

We design an active learning algorithm for cost-sensitive multiclass classification: problems where different errors have different costs. Our algorithm, COAL, makes predictions by regressing to each label's cost and predicting the…

机器学习 · 计算机科学 2021-10-13 Akshay Krishnamurthy , Alekh Agarwal , Tzu-Kuo Huang , Hal Daume , John Langford

The field of Natural Language Generation (NLG) suffers from a severe shortage of labeled data due to the extremely expensive and time-consuming process involved in manual annotation. A natural approach for coping with this problem is active…

计算与语言 · 计算机科学 2023-10-18 Yotam Perlitz , Ariel Gera , Michal Shmueli-Scheuer , Dafna Sheinwald , Noam Slonim , Liat Ein-Dor

Deep-learning-based models are increasingly used to emulate scientific simulations to accelerate scientific research. However, accurate, supervised deep learning models require huge amount of labelled data, and that often becomes the…

机器学习 · 计算机科学 2022-01-11 Yi Heng Lim , Muhammad Firmansyah Kasim

Machine learning models are widely regarded as a way forward to tackle multi-query challenges that arise once expensive black-box simulations such as computational fluid dynamics are investigated. However, ensuring the desired level of…

机器学习 · 计算机科学 2026-01-30 Jigar Parekh , Philipp Bekemeyer

Pretrained on web-scale open data, VLMs offer powerful capabilities for solving downstream tasks after being adapted to task-specific labeled data. Yet, data labeling can be expensive and may demand domain expertise. Active Learning (AL)…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Tong Wang , Jiaqi Wang , Shu Kong

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…

机器学习 · 计算机科学 2016-08-08 Cem Orhan , Öznur Taştan

Consider a sequential active learning problem where, at each round, an agent selects a batch of unlabeled data points, queries their labels and updates a binary classifier. While there exists a rich body of work on active learning in this…

机器学习 · 计算机科学 2020-05-26 Abbas Kazerouni , Qi Zhao , Jing Xie , Sandeep Tata , Marc Najork

Large amounts of labeled training data are one of the main contributors to the great success that deep models have achieved in the past. Label acquisition for tasks other than benchmarks can pose a challenge due to requirements of both…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

Label efficiency has become an increasingly important objective in deep learning applications. Active learning aims to reduce the number of labeled examples needed to train deep networks, but the empirical performance of active learning…

机器学习 · 计算机科学 2023-12-19 Jifan Zhang , Shuai Shao , Saurabh Verma , Robert Nowak

Active learning, a powerful paradigm in machine learning, aims at reducing labeling costs by selecting the most informative samples from an unlabeled dataset. However, the traditional active learning process often demands extensive…

机器学习 · 计算机科学 2024-01-17 Gábor Németh , Tamás Matuszka

Active learning (AL) aims to select the most useful data samples from an unlabeled data pool and annotate them to expand the labeled dataset under a limited budget. Especially, uncertainty-based methods choose the most uncertain samples,…

机器学习 · 计算机科学 2023-10-02 Seong Min Kye , Kwanghee Choi , Hyeongmin Byun , Buru Chang

With the goal of making deep learning more label-efficient, a growing number of papers have been studying active learning (AL) for deep models. However, there are a number of issues in the prevalent experimental settings, mainly stemming…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Nathan Beck , Durga Sivasubramanian , Apurva Dani , Ganesh Ramakrishnan , Rishabh Iyer

We propose Cartography Active Learning (CAL), a novel Active Learning (AL) algorithm that exploits the behavior of the model on individual instances during training as a proxy to find the most informative instances for labeling. CAL is…

计算与语言 · 计算机科学 2022-05-10 Mike Zhang , Barbara Plank