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相关论文: Calibrated Uncertainty Sampling for Active Learnin…

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The promise of active learning (AL) is to reduce labelling costs by selecting the most valuable examples to annotate from a pool of unlabelled data. Identifying these examples is especially challenging with high-dimensional data (e.g.…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Amin Parvaneh , Ehsan Abbasnejad , Damien Teney , Reza Haffari , Anton van den Hengel , Javen Qinfeng Shi

Trained DNN models are increasingly adopted as integral parts of software systems, but they often perform deficiently in the field. A particularly damaging problem is that DNN models often give false predictions with high confidence, due to…

机器学习 · 计算机科学 2020-09-16 Zenan Li , Xiaoxing Ma , Chang Xu , Jingwei Xu , Chun Cao , Jian Lü

Uncertainty calibration is crucial for various machine learning applications, yet it remains challenging. Many models exhibit hallucinations - confident yet inaccurate responses - due to miscalibrated confidence. Here, we show that the…

机器学习 · 计算机科学 2025-03-28 Jeonghwan Cheon , Se-Bum Paik

Active learning (AL) is a human-and-model-in-the-loop paradigm that iteratively selects informative unlabeled data for human annotation, aiming to improve over random sampling. However, performing AL experiments with human annotations…

机器学习 · 计算机科学 2023-05-24 Katerina Margatina , Nikolaos Aletras

Deep Neural Networks (DNN) represent the state of the art in many tasks. However, due to their overparameterization, their generalization capabilities are in doubt and still a field under study. Consequently, DNN can overfit and assign…

机器学习 · 计算机科学 2021-05-19 Juan Maroñas , Daniel Ramos , Roberto Paredes

Deep Learning (DL) has made remarkable achievements in computer vision and adopted in safety critical domains such as medical imaging or autonomous drive. Thus, it is necessary to understand the uncertainty of the model to effectively…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Hyekyoung Hwang , Jitae Shin

Motivated by applications in protein function prediction, we consider a challenging supervised classification setting in which positive labels are scarce and there are no explicit negative labels. The learning algorithm must thus select…

机器学习 · 计算机科学 2019-01-28 Marco Frasca , Nicolò Cesa-Bianchi

Active learning (AL) is a machine learning algorithm that can achieve greater accuracy with fewer labeled training instances, for having the ability to ask oracles to label the most valuable unlabeled data chosen iteratively and…

机器学习 · 计算机科学 2022-09-30 Ruoyu Wang

Operator learning has been increasingly adopted in scientific and engineering applications, many of which require calibrated uncertainty quantification. Since the output of operator learning is a continuous function, quantifying uncertainty…

机器学习 · 计算机科学 2024-02-07 Ziqi Ma , Kamyar Azizzadenesheli , Anima Anandkumar

With model trustworthiness being crucial for sensitive real-world applications, practitioners are putting more and more focus on improving the uncertainty calibration of deep neural networks. Calibration errors are designed to quantify the…

机器学习 · 计算机科学 2024-03-14 Sebastian G. Gruber , Florian Buettner

Classification algorithms aim to predict an unknown label (e.g., a quality class) for a new instance (e.g., a product). Therefore, training samples (instances and labels) are used to deduct classification hypotheses. Often, it is relatively…

机器学习 · 计算机科学 2019-01-30 Daniel Kottke , Jim Schellinger , Denis Huseljic , Bernhard Sick

This paper is concerned with pool-based active learning for deep neural networks. Motivated by coreset dataset compression ideas, we present a novel active learning algorithm that queries consecutive points from the pool using…

机器学习 · 计算机科学 2017-11-06 Yonatan Geifman , Ran El-Yaniv

Artificial neural networks (ANNs) are highly flexible predictive models. However, reliably quantifying uncertainty for their predictions is a continuing challenge. There has been much recent work on "recalibration" of predictive…

统计方法学 · 统计学 2024-03-12 R. Torres , D. J. Nott , S. A. Sisson , T. Rodrigues , J. G. Reis , G. S. Rodrigues

The pretraining-finetuning paradigm has gained popularity in various computer vision tasks. In this paradigm, the emergence of active finetuning arises due to the abundance of large-scale data and costly annotation requirements. Active…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Wenshuai Xu , Zhenghui Hu , Yu Lu , Jinzhou Meng , Qingjie Liu , Yunhong Wang

Supervised machine learning relies on the availability of good labelled data for model training. Labelled data is acquired by human annotation, which is a cumbersome and costly process, often requiring subject matter experts. Active…

机器学习 · 计算机科学 2023-10-31 Sharath M Shankaranarayana

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 frameworks offer efficient data annotation without remarkable accuracy degradation. In other words, active learning starts training the model with a small size of labeled data while exploring the space of unlabeled data in…

机器学习 · 计算机科学 2022-04-22 Salman Mohamadi , Hamidreza Amindavar

Active Learning (AL) aims to enhance the performance of deep models by selecting the most informative samples for annotation from a pool of unlabeled data. Despite impressive performance in closed-set settings, most AL methods fail in…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Bardia Safaei , Vibashan VS , Celso M. de Melo , Vishal M. Patel

In chemometrics, data from infrared or near-infrared (NIR) spectroscopy are often used to identify a compound or to analyze the composition of amaterial. This involves the calibration of models that predict the concentration ofmaterial…

神经与进化计算 · 计算机科学 2015-03-20 A. Ukil , J. Bernasconi

Deep neural networks have reached high accuracy on object detection but their success hinges on large amounts of labeled data. To reduce the labels dependency, various active learning strategies have been proposed, typically based on the…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Ismail Elezi , Zhiding Yu , Anima Anandkumar , Laura Leal-Taixe , Jose M. Alvarez