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Active learning strategies respond to the costly labelling task in a supervised classification by selecting the most useful unlabelled examples in training a predictive model. Many conventional active learning algorithms focus on refining…

机器学习 · 计算机科学 2014-08-12 Djallel Bouneffouf

Convolutional Neural Networks (CNNs) have proven to be state-of-the-art models for supervised computer vision tasks, such as image classification. However, large labeled data sets are generally needed for the training and validation of such…

机器学习 · 计算机科学 2020-10-28 Patrick Hemmer , Niklas Kühl , Jakob Schöffer

Models trained for classification often assume that all testing classes are known while training. As a result, when presented with an unknown class during testing, such closed-set assumption forces the model to classify it as one of the…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Poojan Oza , Vishal M Patel

As deep learning continues to evolve, the need for data efficiency becomes increasingly important. Considering labeling large datasets is both time-consuming and expensive, active learning (AL) provides a promising solution to this…

机器学习 · 计算机科学 2025-05-21 Yifeng Wang , Xueying Zhan , Siyu Huang

Classical semantic segmentation methods, including the recent deep learning ones, assume that all classes observed at test time have been seen during training. In this paper, we tackle the more realistic scenario where unexpected objects of…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Krzysztof Lis , Krishna Nakka , Pascal Fua , Mathieu Salzmann

This paper tackles critical challenges in traffic sign recognition (TSR), which is essential for road safety -- specifically, class imbalance and instance scarcity in datasets. We introduce tailored data augmentation techniques, including…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Ulan Alsiyeu , Zhasdauren Duisebekov

Safety on roads is of uttermost importance, especially in the context of autonomous vehicles. A critical need is to detect and communicate disruptive incidents early and effectively. In this paper we propose a system based on an…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Alex Levering , Martin Tomko , Devis Tuia , Kourosh Khoshelham

Providing an efficient strategy to navigate safely through unsignaled intersections is a difficult task that requires determining the intent of other drivers. We explore the effectiveness of Deep Reinforcement Learning to handle…

人工智能 · 计算机科学 2018-02-28 David Isele , Reza Rahimi , Akansel Cosgun , Kaushik Subramanian , Kikuo Fujimura

Convolutional neural networks (CNNs) have been successfully applied to many recognition and learning tasks using a universal recipe; training a deep model on a very large dataset of supervised examples. However, this approach is rather…

机器学习 · 统计学 2018-06-04 Ozan Sener , Silvio Savarese

Accurate lane detection is critical for navigation in autonomous vehicles, particularly the active lane which demarcates the single road space that the vehicle is currently traveling on. Recent state-of-the-art lane detection algorithms…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Zhe Ming Chng , Joseph Mun Hung Lew , Jimmy Addison Lee

In this work we discuss the problem of active learning. We present an approach that is based on A-optimal experimental design of ill-posed problems and show how one can optimally label a data set by partially probing it, and use it to train…

机器学习 · 计算机科学 2022-11-28 Tue Boesen , Eldad Haber

Active learning (AL) is a prominent technique for reducing the annotation effort required for training machine learning models. Deep learning offers a solution for several essential obstacles to deploying AL in practice but introduces many…

Key Performance Indicators (KPI), which are essentially time series data, have been widely used to indicate the performance of telecom networks. Based on the given KPIs, a large set of anomaly detection algorithms have been deployed for…

机器学习 · 计算机科学 2023-05-26 Hamza Bodor , Thai V. Hoang , Zonghua Zhang

This work presents a step towards utilizing incrementally-improving symbolic perception knowledge of the robot's surroundings for provably correct reactive control synthesis applied to an autonomous driving problem. Combining abstract…

机器人学 · 计算机科学 2022-09-21 Disha Kamale , Sofie Haesaert , Cristian-Ioan Vasile

Anomaly detection is the process of identifying abnormal instances or events in data sets which deviate from the norm significantly. In this study, we propose a signatures based machine learning algorithm to detect rare or unexpected items…

计算金融 · 定量金融 2022-02-09 Erdinc Akyildirim , Matteo Gambara , Josef Teichmann , Syang Zhou

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

Due to the privacy protection or the difficulty of data collection, we cannot observe individual outputs for each instance, but we can observe aggregated outputs that are summed over multiple instances in a set in some real-world…

机器学习 · 统计学 2022-10-05 Tomoharu Iwata

Deep learning has yielded state-of-the-art performance on many natural language processing tasks including named entity recognition (NER). However, this typically requires large amounts of labeled data. In this work, we demonstrate that the…

计算与语言 · 计算机科学 2018-02-06 Yanyao Shen , Hyokun Yun , Zachary C. Lipton , Yakov Kronrod , Animashree Anandkumar

Network traffic classification, which has numerous applications from security to billing and network provisioning, has become a cornerstone of today's computer networks. Previous studies have developed traffic classification techniques…

网络与互联网体系结构 · 计算机科学 2020-05-19 Shahbaz Rezaei , Xin Liu

This paper presents the development of a new collaborative road profile estimation and active suspension control framework in connected vehicles, where participating vehicles iteratively refine the road profile estimation and enhance…

系统与控制 · 电气工程与系统科学 2025-01-28 Harsh Modi , Mohammad R Hajidavalloo , Zhaojian Li , Minghui Zheng