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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

Ordering the selection of training data using active learning can lead to improvements in learning efficiently from smaller corpora. We present an exploration of active learning approaches applied to three grounded language problems of…

机器人学 · 计算机科学 2020-11-17 Nisha Pillai , Edward Raff , Francis Ferraro , Cynthia Matuszek

Robots can be used to collect environmental data in regions that are difficult for humans to traverse. However, limitations remain in the size of region that a robot can directly observe per unit time. We introduce a method for selecting a…

机器人学 · 计算机科学 2020-09-03 Elizabeth A. Ricci , Madeleine Udell , Ross A. Knepper

Active learning aims to enhance model performance by strategically labeling informative data points. While extensively studied, its effectiveness on large-scale, real-world datasets remains underexplored. Existing research primarily focuses…

机器学习 · 计算机科学 2023-12-04 Jiayi Li , Rohan Taori , Tatsunori B. Hashimoto

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

A robot operating in unstructured environments must be able to discriminate between different grasping styles depending on the prospective manipulation task. Having a system that allows learning from remote non-expert demonstrations can…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Furkan Kaynar , Sudarshan Rajagopalan , Shaobo Zhou , Eckehard Steinbach

Active learning is a machine learning method aiming at optimal design for model training. At variance with supervised learning, which labels all samples, active learning provides an improved model by labeling samples with maximal…

Batch active learning is a popular approach for efficiently training machine learning models on large, initially unlabelled datasets by repeatedly acquiring labels for batches of data points. However, many recent batch active learning…

机器学习 · 计算机科学 2023-07-10 Andreas Kirsch

Semantic segmentation of aerial imagery is an important tool for mapping and earth observation. However, supervised deep learning models for segmentation rely on large amounts of high-quality labelled data, which is labour-intensive and…

机器人学 · 计算机科学 2022-09-05 Julius Rückin , Liren Jin , Federico Magistri , Cyrill Stachniss , Marija Popović

Improving performance in multiple domains is a challenging task, and often requires significant amounts of data to train and test models. Active learning techniques provide a promising solution by enabling models to select the most…

机器学习 · 计算机科学 2023-04-14 Anand Gokul Mahalingam , Aayush Shah , Akshay Gulati , Royston Mascarenhas , Rakshitha Panduranga

An active learner is given a class of models, a large set of unlabeled examples, and the ability to interactively query labels of a subset of these examples; the goal of the learner is to learn a model in the class that fits the data well.…

机器学习 · 计算机科学 2015-06-09 Kamalika Chaudhuri , Sham Kakade , Praneeth Netrapalli , Sujay Sanghavi

Active perception approaches select future viewpoints by using some estimate of the information gain. An inaccurate estimate can be detrimental in critical situations, e.g., locating a person in distress. However the true information gained…

机器人学 · 计算机科学 2026-04-17 Siming He , Yuezhan Tao , Igor Spasojevic , Vijay Kumar , Pratik Chaudhari

Active learning aims to achieve greater accuracy with less training data by selecting the most useful data samples from which it learns. Single-criterion based methods (i.e., informativeness and representativeness based methods) are simple…

机器学习 · 计算机科学 2021-07-06 Xueying Zhan , Qing Li , Antoni B. Chan

This paper proposes an active learning (AL) algorithm to solve regression problems based on inverse-distance weighting functions for selecting the feature vectors to query. The algorithm has the following features: (i) supports both…

机器学习 · 计算机科学 2022-12-15 Alberto Bemporad

The objective of a reinforcement learning agent is to discover better actions through exploration. However, typical exploration techniques aim to maximize rewards, often incurring high costs in both exploration and learning processes. We…

机器学习 · 计算机科学 2024-12-24 Akane Tsuboya , Yu Kono , Tatsuji Takahashi

Active learning identifies data points to label that are expected to be the most useful in improving a supervised model. Opportunistic active learning incorporates active learning into interactive tasks that constrain possible queries…

计算与语言 · 计算机科学 2018-08-31 Aishwarya Padmakumar , Peter Stone , Raymond J. Mooney

It is common to implicitly assume access to intelligently captured inputs (e.g., photos from a human photographer), yet autonomously capturing good observations is itself a major challenge. We address the problem of learning to look around:…

计算机视觉与模式识别 · 计算机科学 2017-12-22 Dinesh Jayaraman , Kristen Grauman

Reachability computations that rely on learned or estimated models require calibration in order to uphold confidence about their guarantees. Calibration generally involves sampling scenarios inside the reachable set. However, producing…

系统与控制 · 电气工程与系统科学 2026-03-27 Sampada Deglurkar , Ebonye Smith , Jingqi Li , Claire J. Tomlin

Learning-based approaches for semantic segmentation have two inherent challenges. First, acquiring pixel-wise labels is expensive and time-consuming. Second, realistic segmentation datasets are highly unbalanced: some categories are much…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Arantxa Casanova , Pedro O. Pinheiro , Negar Rostamzadeh , Christopher J. Pal

Data generation and labeling are usually an expensive part of learning for robotics. While active learning methods are commonly used to tackle the former problem, preference-based learning is a concept that attempts to solve the latter by…

机器学习 · 计算机科学 2018-10-11 Erdem Bıyık , Dorsa Sadigh