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Classification is an important task in many fields including biomedical research and machine learning. Traditionally, a classification rule is constructed based a bunch of labeled data. Recently, due to technological innovation and…

统计方法学 · 统计学 2014-06-19 Jing Wang , Eunsik Park , Yuan-chin Ivan Chang

Active learning emerged as an alternative to alleviate the effort to label huge amount of data for data hungry applications (such as image/video indexing and retrieval, autonomous driving, etc.). The goal of active learning is to…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Minghan Li , Xialei Liu , Joost van de Weijer , Bogdan Raducanu

High accuracy medical image classification can be limited by the costs of acquiring more data as well as the time and expertise needed to label existing images. In this paper, we apply active learning to medical image classification, a…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Emma Slade , Kim M. Branson

While deep learning is a powerful tool for natural language processing (NLP) problems, successful solutions to these problems rely heavily on large amounts of annotated samples. However, manually annotating data is expensive and…

机器学习 · 计算机科学 2021-04-08 Rishi Hazra , Parag Dutta , Shubham Gupta , Mohammed Abdul Qaathir , Ambedkar Dukkipati

Active learning is usually applied to acquire labels of informative data points in supervised learning, to maximize accuracy in a sample-efficient way. However, maximizing the accuracy is not the end goal when the results are used for…

Entity Matching (EM) is a core data cleaning task, aiming to identify different mentions of the same real-world entity. Active learning is one way to address the challenge of scarce labeled data in practice, by dynamically collecting the…

数据库 · 计算机科学 2020-03-31 Venkata Vamsikrishna Meduri , Lucian Popa , Prithviraj Sen , Mohamed Sarwat

Optimal design for model training is a critical topic in machine learning. Active Learning aims at obtaining improved models by querying samples with maximum uncertainty according to the estimation model for artificially labeling; this has…

Active learning is a branch of machine learning that deals with problems where unlabeled data is abundant yet obtaining labels is expensive. The learning algorithm has the possibility of querying a limited number of samples to obtain the…

无序系统与神经网络 · 物理学 2020-09-04 Hugo Cui , Luca Saglietti , Lenka Zdeborová

Active learning as a paradigm in deep learning is especially important in applications involving intricate perception tasks such as object detection where labels are difficult and expensive to acquire. Development of active learning methods…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Tobias Riedlinger , Marius Schubert , Karsten Kahl , Hanno Gottschalk , Matthias Rottmann

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

Several works in computer vision have demonstrated the effectiveness of active learning for adapting the recognition model when new unlabeled data becomes available. Most of these works consider that labels obtained from the annotator are…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Sudipta Paul , Shivkumar Chandrasekaran , B. S. Manjunath , Amit K. Roy-Chowdhury

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…

机器学习 · 计算机科学 2018-03-07 Xi Fang , Zengmao Wang , Xinyao Tang , Chen Wu

Active learning algorithms automatically identify the most informative samples from large amounts of unlabeled data and tremendously reduce human annotation effort in inducing a machine learning model. In a conventional active learning…

机器学习 · 计算机科学 2026-04-28 Varun Totakura , Ankita Singh , Yushun Dong , Shayok Chakraborty

Active learning aims to reduce the number of labeled data points required by machine learning algorithms by selectively querying labels from initially unlabeled data. Ensuring replicability, where an algorithm produces consistent outcomes…

机器学习 · 计算机科学 2026-03-24 Rupkatha Hira , Dominik Kau , Jessica Sorrell

A framework is introduced for actively and adaptively solving a sequence of machine learning problems, which are changing in bounded manner from one time step to the next. An algorithm is developed that actively queries the labels of the…

机器学习 · 计算机科学 2018-05-31 Yuheng Bu , Jiaxun Lu , Venugopal V. Veeravalli

Modern machine learning models require large labelled datasets to achieve good performance, but manually labelling large datasets is expensive and time-consuming. The data programming paradigm enables users to label large datasets…

机器学习 · 计算机科学 2024-02-12 Naiqing Guan , Nick Koudas

How can we find a general way to choose the most suitable samples for training a classifier? Even with very limited prior information? Active learning, which can be regarded as an iterative optimization procedure, plays a key role to…

机器学习 · 计算机科学 2019-04-16 Bo Du , Zengmao Wang , Lefei Zhang , Liangpei Zhang , Wei Liu , Jialie Shen , Dacheng Tao

In training speech recognition systems, labeling audio clips can be expensive, and not all data is equally valuable. Active learning aims to label only the most informative samples to reduce cost. For speech recognition, confidence scores…

计算与语言 · 计算机科学 2016-12-13 Jiaji Huang , Rewon Child , Vinay Rao , Hairong Liu , Sanjeev Satheesh , Adam Coates

In this paper, we propose a novel active learning approach integrated with an improved semi-supervised learning framework to reduce the cost of manual annotation and enhance model performance. Our proposed approach effectively leverages…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Wanli Ma , Oktay Karakus , Paul L. Rosin

Pre-trained Vision Language Models (VLMs) have demonstrated notable progress in various zero-shot tasks, such as classification and retrieval. Despite their performance, because improving performance on new tasks requires task-specific…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Jihwan Bang , Sumyeong Ahn , Jae-Gil Lee