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The accuracy and reliability of vehicle localization on roads are crucial for applications such as self-driving cars, toll systems, and digital tachographs. To achieve accurate positioning, vehicles typically use global navigation satellite…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Lucas Heublein , Nisha L. Raichur , Tobias Feigl , Tobias Brieger , Fin Heuer , Lennart Asbach , Alexander Rügamer , Felix Ott

Voice-over-Internet-Protocol (VoIP) calls are prone to various speech impairments due to environmental and network conditions resulting in bad user experience. A reliable audio impairment classifier helps to identify the cause for bad audio…

Sound · Computer Science 2019-07-04 Chandan K A Reddy , Ross Cutler , Johannes Gehrke

3D human pose estimation (HPE) in autonomous vehicles (AV) differs from other use cases in many factors, including the 3D resolution and range of data, absence of dense depth maps, failure modes for LiDAR, relative location between the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Jingxiao Zheng , Xinwei Shi , Alexander Gorban , Junhua Mao , Yang Song , Charles R. Qi , Ting Liu , Visesh Chari , Andre Cornman , Yin Zhou , Congcong Li , Dragomir Anguelov

Temporal localization of driving actions plays a crucial role in advanced driver-assistance systems and naturalistic driving studies. However, this is a challenging task due to strict requirements for robustness, reliability and accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Tunc Alkanat , Erkut Akdag , Egor Bondarev , Peter H. N. De With

Incorrect labels in training data occur when human annotators make mistakes or when the data is generated via weak or distant supervision. It has been shown that complex noise-handling techniques - by modeling, cleaning or filtering the…

Computation and Language · Computer Science 2022-04-21 Dawei Zhu , Michael A. Hedderich , Fangzhou Zhai , David Ifeoluwa Adelani , Dietrich Klakow

Label noise refers to incorrect labels in a dataset caused by human errors or collection defects, which is common in real-world applications and can significantly reduce the accuracy of models. This report explores how to estimate noise…

Machine Learning · Computer Science 2025-01-03 Haixu Liu , Zerui Tao , Naihui Zhang , Sixing Liu

Numerous studies have shown that label noise can lead to poor generalization performance, negatively affecting classification accuracy. Therefore, understanding the effectiveness of classifiers trained using deep neural networks in the…

Machine Learning · Computer Science 2026-03-10 Haixia Liu , Boxiao Li , Can Yang , Yang Wang

This study explores the robustness of label noise classifiers, aiming to enhance model resilience against noisy data in complex real-world scenarios. Label noise in supervised learning, characterized by erroneous or imprecise labels,…

Machine Learning · Computer Science 2023-12-13 Cheng Zeng , Yixuan Xu , Jiaqi Tian

Distance/Similarity learning is a fundamental problem in machine learning. For example, kNN classifier or clustering methods are based on a distance/similarity measure. Metric learning algorithms enhance the efficiency of these methods by…

Machine Learning · Computer Science 2021-08-13 Sumia Abdulhussien Razooqi Al-Obaidi , Davood Zabihzadeh , Hamideh Hajiabadi

Available training data for named entity recognition (NER) often contains a significant percentage of incorrect labels for entity types and entity boundaries. Such label noise poses challenges for supervised learning and may significantly…

Computation and Language · Computer Science 2024-10-15 Elena Merdjanovska , Ansar Aynetdinov , Alan Akbik

Deep neural networks are highly susceptible to overfitting noisy labels, which leads to degraded performance. Existing methods address this issue by employing manually defined criteria, aiming to achieve optimal partitioning in each…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Wenzhen Zhang , Debo Cheng , Guangquan Lu , Bo Zhou , Jiaye Li , Shichao Zhang

Noisy labels are an unavoidable consequence of labeling processes and detecting them is an important step towards preventing performance degradations in Convolutional Neural Networks. Discarding noisy labels avoids a harmful memorization,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Large scale image classification datasets often contain noisy labels. We take a principled probabilistic approach to modelling input-dependent, also known as heteroscedastic, label noise in these datasets. We place a multivariate Normal…

Machine Learning · Computer Science 2021-05-24 Mark Collier , Basil Mustafa , Efi Kokiopoulou , Rodolphe Jenatton , Jesse Berent

Motion prediction (MP) of multiple agents is a crucial task in arbitrarily complex environments, from social robots to self-driving cars. Current approaches tackle this problem using end-to-end networks, where the input data is usually a…

Robotics · Computer Science 2022-06-14 Carlos Gómez-Huélamo , Marcos V. Conde , Miguel Ortiz

One of the hardest challenges to face in the development of a non GPS-based localization system for autonomous vehicles is the changes of the environment. LiDAR-based systems typically try to match the last measurements obtained with a…

Robotics · Computer Science 2020-03-18 Salvador Dominguez , Gaëtan Garcia , Vincent Frémont , Arnaud Hamon

While HDMaps are a crucial component of autonomous driving, they are expensive to acquire and maintain. Estimating these maps from sensors therefore promises to significantly lighten costs. These estimations however overlook existing…

Machine Learning · Computer Science 2024-03-15 Rémy Sun , Li Yang , Diane Lingrand , Frédéric Precioso

Due to the over-emphasize of the quantity of data, the data quality has often been overlooked. However, not all training data points contribute equally to learning. In particular, if mislabeled, it might actively damage the performance of…

Machine Learning · Computer Science 2021-09-13 Vaibhav Pulastya , Gaurav Nuti , Yash Kumar Atri , Tanmoy Chakraborty

While recent online HD mapping methods relieve burdened offline pipelines and solve map freshness, they remain limited by perceptual inaccuracies, occlusion in dense traffic, and an inability to fuse multi-agent observations. We propose…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Yuheng Du , Sheng Yang , Lingxuan Wang , Zhenghua Hou , Chengying Cai , Zhitao Tan , Mingxia Chen , Shi-Sheng Huang , Qiang Li

Accurate online map matching is fundamental to vehicle navigation and the activation of intelligent driving functions. Current online map matching methods are prone to errors in complex road networks, especially in multilevel road area. To…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Xin Bi , Zhichao Li , Yuxuan Xia , Panpan Tong , Lijuan Zhang , Yang Chen , Junsheng Fu

In this paper we propose a novel semantic localization algorithm that exploits multiple sensors and has precision on the order of a few centimeters. Our approach does not require detailed knowledge about the appearance of the world, and our…