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Active learning is a machine learning paradigm that aims to improve the performance of a model by strategically selecting and querying unlabeled data. One effective selection strategy is to base it on the model's predictive uncertainty,…

机器学习 · 计算机科学 2024-05-17 Seong Jin Cho , Gwangsu Kim , Junghyun Lee , Jinwoo Shin , Chang D. Yoo

Deep learning has emerged as an effective solution for solving the task of object detection in images but at the cost of requiring large labeled datasets. To mitigate this cost, semi-supervised object detection methods, which consist in…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Renaud Vandeghen , Gilles Louppe , Marc Van Droogenbroeck

Central to active learning (AL) is what data should be selected for annotation. Existing works attempt to select highly uncertain or informative data for annotation. Nevertheless, it remains unclear how selected data impacts the test…

机器学习 · 计算机科学 2022-01-25 Tianyang Wang , Xingjian Li , Pengkun Yang , Guosheng Hu , Xiangrui Zeng , Siyu Huang , Cheng-Zhong Xu , Min Xu

The existing active learning methods select the samples by evaluating the sample's uncertainty or its effect on the diversity of labeled datasets based on different task-specific or model-specific criteria. In this paper, we propose the…

机器学习 · 计算机科学 2021-08-24 Zhuoming Liu , Hao Ding , Huaping Zhong , Weijia Li , Jifeng Dai , Conghui He

Medical image analysis requires substantial labeled data for model training, yet expert annotation is expensive and time-consuming. Active learning (AL) addresses this challenge by strategically selecting the most informative samples for…

图像与视频处理 · 电气工程与系统科学 2026-03-06 Ifrat Ikhtear Uddin , Longwei Wang , Xiao Qin , Yang Zhou , KC Santosh

Annotating the right set of data amongst all available data points is a key challenge in many machine learning applications. Batch active learning is a popular approach to address this, in which batches of unlabeled data points are selected…

机器学习 · 统计学 2021-04-20 Amirata Ghorbani , James Zou , Andre Esteva

Boosting provides a practical and provably effective framework for constructing accurate learning algorithms from inaccurate rules of thumb. It extends the promise of sample-efficient learning to settings where direct Empirical Risk…

机器学习 · 计算机科学 2025-03-07 Udaya Ghai , Karan Singh

In this paper, we study teacher-student learning from the perspective of data initialization and propose a novel algorithm called Active Teacher(Source code are available at: \url{https://github.com/HunterJ-Lin/ActiveTeacher}) for…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Peng Mi , Jianghang Lin , Yiyi Zhou , Yunhang Shen , Gen Luo , Xiaoshuai Sun , Liujuan Cao , Rongrong Fu , Qiang Xu , Rongrong Ji

Active learning (AL) is an effective approach to select the most informative samples to label so as to reduce the annotation cost. Existing AL methods typically work under the closed-set assumption, i.e., all classes existing in the…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Linhao Qu , Yingfan Ma , Zhiwei Yang , Manning Wang , Zhijian Song

In our today's information society more and more data emerges, e.g.~in social networks, technical applications, or business applications. Companies try to commercialize these data using data mining or machine learning methods. For this…

机器学习 · 统计学 2016-10-17 Tobias Reitmaier , Adrian Calma , Bernhard Sick

Active Learning (AL) is a user-interactive approach aimed at reducing annotation costs by selecting the most crucial examples to label. Although AL has been extensively studied for image classification tasks, the specific scenario of…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Leah Bar , Boaz Lerner , Nir Darshan , Rami Ben-Ari

Building robust and generic object detection frameworks requires scaling to larger label spaces and bigger training datasets. However, it is prohibitively costly to acquire annotations for thousands of categories at a large scale. We…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Shiyu Zhao , Zhixing Zhang , Samuel Schulter , Long Zhao , Vijay Kumar B. G , Anastasis Stathopoulos , Manmohan Chandraker , Dimitris Metaxas

Recently, several studies have investigated active learning (AL) for natural language processing tasks to alleviate data dependency. However, for query selection, most of these studies mainly rely on uncertainty-based sampling, which…

计算与语言 · 计算机科学 2020-11-30 Yekyung Kim

In recent years, speech-based self-supervised learning (SSL) has made significant progress in various tasks, including automatic speech recognition (ASR). An ASR model with decent performance can be realized by fine-tuning an SSL model with…

音频与语音处理 · 电气工程与系统科学 2023-08-30 Zhisheng Zheng , Ziyang Ma , Yu Wang , Xie Chen

Sketch recognition allows natural and efficient interaction in pen-based interfaces. A key obstacle to building accurate sketch recognizers has been the difficulty of creating large amounts of annotated training data. Several authors have…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Erelcan Yanik , Tevfik Metin Sezgin

Supervised classification algorithms are used to solve a growing number of real-life problems around the globe. Their performance is strictly connected with the quality of labels used in training. Unfortunately, acquiring good-quality…

机器学习 · 计算机科学 2024-07-08 Daniel Kałuża , Andrzej Janusz , Dominik Ślęzak

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

The laborious process of labeling data often bottlenecks projects that aim to leverage the power of supervised machine learning. Active Learning (AL) has been established as a technique to ameliorate this condition through an iterative…

机器学习 · 计算机科学 2022-03-18 Trent J. Bradberry , Christopher H. Hase , LeAnna Kent , Joel A. Góngora

Active Learning aims to optimize performance while minimizing annotation costs by selecting the most informative samples from an unlabelled pool. Traditional uncertainty sampling often leads to sampling bias by choosing similar uncertain…

机器学习 · 计算机科学 2024-11-27 Tejaswi Kasarla , Abhishek Jha , Faye Tervoort , Rita Cucchiara , Pascal Mettes

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…