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This paper presents a radar odometry method that combines probabilistic trajectory estimation and deep learned features without needing groundtruth pose information. The feature network is trained unsupervised, using only the on-board radar…

机器人学 · 计算机科学 2021-07-02 Keenan Burnett , David J. Yoon , Angela P. Schoellig , Timothy D. Barfoot

Recently, learning-based ego-motion estimation approaches have drawn strong interest from studies mostly focusing on visual perception. These groundbreaking works focus on unsupervised learning for odometry estimation but mostly for visual…

机器人学 · 计算机科学 2019-02-28 Younggun Cho , Giseop Kim , Ayoung Kim

Reliable robot pose estimation is a key building block of many robot autonomy pipelines, with LiDAR localization being an active research domain. In this work, a versatile self-supervised LiDAR odometry estimation method is presented, in…

机器人学 · 计算机科学 2021-06-28 Julian Nubert , Shehryar Khattak , Marco Hutter

This study proposes an adaptive data-driven hyperparameter tuning framework for black-box 3D LiDAR odometry algorithms. The proposed framework comprises offline parameter-error function modeling and online adaptive parameter selection. In…

机器人学 · 计算机科学 2021-07-12 Kenji Koide , Masashi Yokozuka , Shuji Oishi , Atsuhiko Banno

Human detection and tracking is an essential task for service robots, where the combined use of multiple sensors has potential advantages that are yet to be exploited. In this paper, we introduce a framework allowing a robot to learn a new…

机器人学 · 计算机科学 2018-08-01 Zhi Yan , Li Sun , Tom Duckett , Nicola Bellotto

Deep learning-based LiDAR odometry is crucial for autonomous driving and robotic navigation, yet its performance under adverse weather, especially snowfall, remains challenging. Existing models struggle to generalize across conditions due…

机器人学 · 计算机科学 2025-09-03 Beibei Zhou , Zhiyuan Zhang , Zhenbo Song , Jianhui Guo , Hui Kong

We present parameter learning in a Gaussian variational inference setting using only noisy measurements (i.e., no groundtruth). This is demonstrated in the context of vehicle trajectory estimation, although the method we propose is general.…

机器人学 · 计算机科学 2020-07-13 Jeremy N. Wong , David J. Yoon , Angela P. Schoellig , Timothy D. Barfoot

Supervised learning depth estimation methods can achieve good performance when trained on high-quality ground-truth, like LiDAR data. However, LiDAR can only generate sparse 3D maps which causes losing information. Obtaining high-quality…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Hao Xing , Yifan Cao , Maximilian Biber , Mingchuan Zhou , Darius Burschka

This paper presents a self-supervised framework for learning to detect robust keypoints for odometry estimation and metric localisation in radar. By embedding a differentiable point-based motion estimator inside our architecture, we learn…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Dan Barnes , Ingmar Posner

While an exciting diversity of new imaging devices is emerging that could dramatically improve robotic perception, the challenges of calibrating and interpreting these cameras have limited their uptake in the robotics community. In this…

机器人学 · 计算机科学 2021-03-23 S. Tejaswi Digumarti , Joseph Daniel , Ahalya Ravendran , Donald G. Dansereau

We present an unsupervised deep neural network approach to the fusion of RGB-D imagery with inertial measurements for absolute trajectory estimation. Our network, dubbed the Visual-Inertial-Odometry Learner (VIOLearner), learns to perform…

计算机视觉与模式识别 · 计算机科学 2018-03-16 E. Jared Shamwell , Sarah Leung , William D. Nothwang

In Hezaveh et al. 2017 we showed that deep learning can be used for model parameter estimation and trained convolutional neural networks to determine the parameters of strong gravitational lensing systems. Here we demonstrate a method for…

宇宙学与河外天体物理 · 物理学 2017-11-29 Laurence Perreault Levasseur , Yashar D. Hezaveh , Risa H. Wechsler

We introduce a new approach to probabilistic unsupervised learning based on the recognition-parametrised model (RPM): a normalised semi-parametric hypothesis class for joint distributions over observed and latent variables. Under the key…

机器学习 · 计算机科学 2023-04-21 William I. Walker , Hugo Soulat , Changmin Yu , Maneesh Sahani

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving the place recognition problem with complex radar data. Our method is based on invariant instance feature learning but is tailored for…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Matthew Gadd , Daniele De Martini , Paul Newman

The advancement of visual tracking has continuously been brought by deep learning models. Typically, supervised learning is employed to train these models with expensive labeled data. In order to reduce the workload of manual annotations…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Ning Wang , Wengang Zhou , Yibing Song , Chao Ma , Wei Liu , Houqiang Li

Traversability estimation is critical for enabling robots to navigate across diverse terrains and environments. While recent self-supervised learning methods achieve promising results, they often fail to capture the characteristics of…

机器人学 · 计算机科学 2025-08-26 Zipeng Fang , Yanbo Wang , Lei Zhao , Weidong Chen

Perception is a key element for enabling intelligent autonomous navigation. Understanding the semantics of the surrounding environment and accurate vehicle pose estimation are essential capabilities for autonomous vehicles, including…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Mohamed Afifi , Mohamed ElHelw

Robust road segmentation in all road conditions is required for safe autonomous driving and advanced driver assistance systems. Supervised deep learning methods provide accurate road segmentation in the domain of their training data but…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Eerik Alamikkotervo , Henrik Toikka , Kari Tammi , Risto Ojala

The correct ego-motion estimation basically relies on the understanding of correspondences between adjacent LiDAR scans. However, given the complex scenarios and the low-resolution LiDAR, finding reliable structures for identifying…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Yan Xu , Junyi Lin , Jianping Shi , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

This paper presents a novel technique to correct for bias in a classical estimator using a learning approach. We apply a learned bias correction to a lidar-only motion estimation pipeline. Our technique trains a Gaussian process (GP)…

机器人学 · 计算机科学 2018-08-28 Tim Y. Tang , David J. Yoon , François Pomerleau , Timothy D. Barfoot
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