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Unlabeled data is often abundant in the clinic, making machine learning methods based on semi-supervised learning a good match for this setting. Despite this, they are currently receiving relatively little attention in medical image…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Valentyn Melnychuk , Evgeniy Faerman , Ilja Manakov , Thomas Seidl

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…

计算机视觉与模式识别 · 计算机科学 2017-06-16 Mehran Khodabandeh , Zhiwei Deng , Mostafa S. Ibrahim , Shinichi Satoh , Greg Mori

We consider a batch active learning scenario where the learner adaptively issues batches of points to a labeling oracle. Sampling labels in batches is highly desirable in practice due to the smaller number of interactive rounds with the…

机器学习 · 计算机科学 2022-06-14 Claudio Gentile , Zhilei Wang , Tong Zhang

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 goal of multi-label learning (MLL) is to associate a given instance with its relevant labels from a set of concepts. Previous works of MLL mainly focused on the setting where the concept set is assumed to be fixed, while many real-world…

机器学习 · 计算机科学 2021-10-01 Cheng-Yu Hsieh , Wei-I Lin , Miao Xu , Gang Niu , Hsuan-Tien Lin , Masashi Sugiyama

Modern computing and communication technologies can make data collection procedures very efficient. However, our ability to analyze large data sets and/or to extract information out from them is hard-pressed to keep up with our capacities…

机器学习 · 统计学 2019-01-30 Zhanfeng Wang , Yumi Kwon , Yuan-chin Ivan Chang

Semi-supervised learning is a powerful technique for leveraging unlabeled data to improve machine learning models, but it can be affected by the presence of ``informative'' labels, which occur when some classes are more likely to be labeled…

Most of the existing learning models, particularly deep neural networks, are reliant on large datasets whose hand-labeling is expensive and time demanding. A current trend is to make the learning of these models frugal and less dependent on…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Sebastien Deschamps , Hichem Sahbi

Although data is abundant, data labeling is expensive. Semi-supervised learning methods combine a few labeled samples with a large corpus of unlabeled data to effectively train models. This paper introduces our proposed method LiDAM, a…

机器学习 · 计算机科学 2020-11-25 Qun Liu , Matthew Shreve , Raja Bala

Active learning aims to alleviate the amount of labor involved in data labeling by automating the selection of unlabeled samples via an acquisition function. For example, variational adversarial active learning (VAAL) leverages an…

机器学习 · 计算机科学 2024-08-26 Zongyao Lyu , William J. Beksi

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

Labeling data correctly is an expensive and challenging task in machine learning, especially for on-line data streams. Deep learning models especially require a large number of clean labeled data that is very difficult to acquire in…

机器学习 · 计算机科学 2020-10-28 Taraneh Younesian , Dick Epema , Lydia Y. Chen

A weakly-supervised learning framework named as complementary-label learning has been proposed recently, where each sample is equipped with a single complementary label that denotes one of the classes the sample does not belong to. However,…

机器学习 · 统计学 2020-07-24 Yuzhou Cao , Shuqi Liu , Yitian Xu

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…

机器学习 · 统计学 2019-10-29 Songbai Yan , Kamalika Chaudhuri , Tara Javidi

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

Given an unlabeled dataset and an annotation budget, we study how to selectively label a fixed number of instances so that semi-supervised learning (SSL) on such a partially labeled dataset is most effective. We focus on selecting the right…

机器学习 · 计算机科学 2023-08-24 Xudong Wang , Long Lian , Stella X. Yu

In this paper we propose an active metric learning method for clustering with pairwise constraints. The proposed method actively queries the label of informative instance pairs, while estimating underlying metrics by incorporating unlabeled…

机器学习 · 统计学 2021-11-10 Yujia Deng , Yubai Yuan , Haoda Fu , Annie Qu

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

Pseudo-labeling is a crucial technique in semi-supervised learning (SSL), where artificial labels are generated for unlabeled data by a trained model, allowing for the simultaneous training of labeled and unlabeled data in a supervised…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Khanh-Binh Nguyen , Joon-Sung Yang

While many active learning papers assume that the learner can simply ask for a label and receive it, real annotation often presents a mismatch between the form of a label (say, one among many classes), and the form of an annotation…

机器学习 · 计算机科学 2019-07-10 Peiyun Hu , Zachary C. Lipton , Anima Anandkumar , Deva Ramanan