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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

When we can not assume a large amount of annotated data , active learning is a good strategy. It consists in learning a model on a small amount of annotated data (annotation budget) and in choosing the best set of points to annotate in…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Umang Aggarwal , Adrian Popescu , Céline Hudelot

In order to mimic the human ability of continual acquisition and transfer of knowledge across various tasks, a learning system needs the capability for continual learning, effectively utilizing the previously acquired skills. As such, the…

机器学习 · 计算机科学 2019-08-02 Dan Teng , Sakyasingha Dasgupta

The cost of annotating transcriptions for large speech corpora becomes a bottleneck to maximally enjoy the potential capacity of deep neural network-based automatic speech recognition models. In this paper, we present a new training…

音频与语音处理 · 电气工程与系统科学 2020-11-06 Jihwan Bang , Heesu Kim , YoungJoon Yoo , Jung-Woo Ha

Incremental Learning scenarios do not always represent real-world inference use-cases, which tend to have less strict task boundaries, and exhibit repetition of common classes and concepts in their continual data stream. To better represent…

机器学习 · 计算机科学 2025-02-28 Benedikt Tscheschner , Eduardo Veas , Marc Masana

There has been significant interest and progress recently in algorithms that solve regression problems involving tall and thin matrices in input sparsity time. These algorithms find shorter equivalent of a n*d matrix where n >> d, which…

数据结构与算法 · 计算机科学 2013-04-05 Mu Li , Gary L. Miller , Richard Peng

We consider the problem of noisy Bayesian active learning, where we are given a finite set of functions $\mathcal{H}$, a sample space $\mathcal{X}$, and a label set $\mathcal{L}$. One of the functions in $\mathcal{H}$ assigns labels to…

信息论 · 计算机科学 2016-11-15 Mohammad Naghshvar , Tara Javidi , Kamalika Chaudhuri

In the world of big data, large but costly to label datasets dominate many fields. Active learning, a semi-supervised alternative to the standard PAC-learning model, was introduced to explore whether adaptive labeling could learn concepts…

机器学习 · 计算机科学 2020-06-02 Max Hopkins , Daniel M. Kane , Shachar Lovett

While norm-based and leverage-score-based methods have been extensively studied for identifying "important" data points in linear models, analogous tools for nonlinear models remain significantly underdeveloped. By introducing the concept…

机器学习 · 计算机科学 2025-05-20 Prakash Palanivelu Rajmohan , Fred Roosta

With the explosion of massive, widely available unlabeled data in the past years, finding label and time efficient, robust learning algorithms has become ever more important in theory and in practice. We study the paradigm of active…

机器学习 · 计算机科学 2020-01-17 Max Hopkins , Daniel Kane , Shachar Lovett , Gaurav Mahajan

Active learning (AL) for multiple target models aims to reduce labeled data querying while effectively training multiple models concurrently. Existing AL algorithms often rely on iterative model training, which can be computationally…

机器学习 · 计算机科学 2024-10-03 Sheng-Jun Huang , Yi Li , Yiming Sun , Ying-Peng Tang

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…

The great success that deep models have achieved in the past is mainly owed to large amounts of labeled training data. However, the acquisition of labeled data for new tasks aside from existing benchmarks is both challenging and costly.…

计算机视觉与模式识别 · 计算机科学 2018-09-27 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

The pretraining-finetuning paradigm has gained widespread adoption in vision tasks and other fields, yet it faces the significant challenge of high sample annotation costs. To mitigate this, the concept of active finetuning has emerged,…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Han Lu , Yichen Xie , Xiaokang Yang , Junchi Yan

This work addresses various open questions in the theory of active learning for nonparametric classification. Our contributions are both statistical and algorithmic: -We establish new minimax-rates for active learning under common…

机器学习 · 统计学 2017-03-20 Andrea Locatelli , Alexandra Carpentier , Samory Kpotufe

Unnormalized probability distributions are central to modeling complex physical systems across various scientific domains. Traditional sampling methods, such as Markov Chain Monte Carlo (MCMC), often suffer from slow convergence, critical…

机器学习 · 计算机科学 2025-10-27 Vikas Kanaujia , Vipul Arora

High-throughput experimentation enables efficient search space exploration for the discovery and optimization of new materials. However, large search spaces of, e.g., compositionally complex materials, require decreasing characterization…

材料科学 · 物理学 2023-07-03 Felix Thelen , Lars Banko , Rico Zehl , Sabrina Baha , Alfred Ludwig

Active learning aims to identify the most informative data from an unlabeled data pool that enables a model to reach the desired accuracy rapidly. This benefits especially deep neural networks which generally require a huge number of…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Jihyo Kim , Jeonghyeon Kim , Sangheum Hwang

Neural Network-based active learning (NAL) is a cost-effective data selection technique that utilizes neural networks to select and train on a small subset of samples. While existing work successfully develops various effective or…

机器学习 · 计算机科学 2024-06-07 Dake Bu , Wei Huang , Taiji Suzuki , Ji Cheng , Qingfu Zhang , Zhiqiang Xu , Hau-San Wong

In standard passive imitation learning, the goal is to learn a target policy by passively observing full execution trajectories of it. Unfortunately, generating such trajectories can require substantial expert effort and be impractical in…

机器学习 · 计算机科学 2012-10-19 Kshitij Judah , Alan Fern , Thomas G. Dietterich