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In this paper we introduce the DMR -- a prototype-based method and network architecture for deep learning which is using a decision tree (DT)-based inference and synthetic data to balance the classes. It builds upon the recently introduced…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Plamen Angelov , Eduardo Soares

The engineering community currently encounters significant challenges in the systematic development and validation of autonomy algorithms for off-road ground vehicles. These challenges are posed by unusually high test parameters and…

LiDAR Simultaneous Localization and Mapping (SLAM) systems are essential for enabling precise navigation and environmental reconstruction across various applications. Although current point-to-plane ICP algorithms perform effec- tively in…

机器人学 · 计算机科学 2025-10-16 Nishant Chandna , Akshat Kaushal

Long-term 3D map management is a fundamental capability required by a robot to reliably navigate in the non-stationary real-world. This paper develops open-source, modular, and readily available LiDAR-based lifelong mapping for urban sites.…

机器人学 · 计算机科学 2021-07-19 Giseop Kim , Ayoung Kim

Safe mobility for unmanned ground vehicles requires reliable detection of other vehicles, along with precise estimates of their locations and trajectories. Here we describe the algorithms and system we have developed for accurate trajectory…

机器人学 · 计算机科学 2017-09-26 Daniel Morris , Paul Haley , William Zachar , Steve McLean

This paper explores the question of creating and maintaining terrain maps in environments where the terrain changes. The specific example explored is the construction of terrain maps from 3D LiDAR measurements on an electric rope shovel.…

机器人学 · 计算机科学 2024-06-24 Vedant Bhandari , Jasmin James , Tyson Phillips , P. Ross McAree

Nearest-neighbor (NN) procedures are well studied and widely used in both supervised and unsupervised learning problems. In this paper we are concerned with investigating the performance of NN-based methods for anomaly detection. We first…

机器学习 · 统计学 2019-07-10 Xiaoyi Gu , Leman Akoglu , Alessandro Rinaldo

We study landmark-based SLAM with unknown data association: our robot navigates in a completely unknown environment and has to simultaneously reason over its own trajectory, the positions of an unknown number of landmarks in the…

机器人学 · 计算机科学 2023-05-05 Yihao Zhang , Odin A. Severinsen , John J. Leonard , Luca Carlone , Kasra Khosoussi

Accurate robot odometry is essential for autonomous navigation. While numerous techniques have been developed based on various sensor suites, odometry estimation using only radar and IMU remains an underexplored area. Radar proves…

机器人学 · 计算机科学 2025-09-30 Lucia Coto Elena , Fernando Caballero , Luis Merino

Force-directed layout algorithms are ubiquitously-used tools for network visualisation across a multitude of scientific disciplines. However, they lack theoretical grounding which allows to interpret their outcomes rigorously and can guide…

社会与信息网络 · 计算机科学 2025-05-14 Felix Gaisbauer , Armin Pournaki , Sven Banisch , Eckehard Olbrich

Modern successes of diffusion models in learning complex, high-dimensional data distributions are attributed, in part, to their capability to construct diffusion processes with analytic transition kernels and score functions. The…

机器学习 · 统计学 2024-03-01 Guan-Horng Liu , Tianrong Chen , Evangelos A. Theodorou , Molei Tao

Masked diffusion large language models (dLLMs) are a promising alternative to autoregressive generation. While reinforcement learning (RL) methods have recently been adapted to dLLM fine-tuning, their objectives typically depend on…

机器学习 · 计算机科学 2026-05-20 Yuyuan Chen , Shiyi Wang , Peter Potaptchik , Jaeyeon Kim , Michael S. Albergo

This paper presents a randomized algorithm for computing the near-optimal low-rank dynamic mode decomposition (DMD). Randomized algorithms are emerging techniques to compute low-rank matrix approximations at a fraction of the cost of…

数值分析 · 数学 2019-11-28 N. Benjamin Erichson , Lionel Mathelin , Steven L. Brunton , J. Nathan Kutz

Lidar technology has evolved significantly over the last decade, with higher resolution, better accuracy, and lower cost devices available today. In addition, new scanning modalities and novel sensor technologies have emerged in recent…

机器人学 · 计算机科学 2022-03-08 Qingqing Li , Xianjia Yu , Jorge Peña Queralta , Tomi Westerlund

Climate models lack the necessary resolution for urban climate studies, requiring computationally intensive processes to estimate high resolution air temperatures. In contrast, Data-driven approaches offer faster and more accurate air…

大气与海洋物理 · 物理学 2024-09-05 Fatemeh Chajaei , Hossein Bagheri

Online augmentation of an oblique aerial image sequence with structural information is an essential aspect in the process of 3D scene interpretation and analysis. One key aspect in this is the efficient dense image matching and depth…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Boitumelo Ruf , Thomas Pollok , Martin Weinmann

Differential equations in general and neural ODEs in particular are an essential technique in continuous-time system identification. While many deterministic learning algorithms have been designed based on numerical integration via the…

机器学习 · 计算机科学 2021-10-18 Lenart Treven , Philippe Wenk , Florian Dörfler , Andreas Krause

Statistical tracking filters depend on accurate target measurements and uncertainty estimates for good tracking performance. In this work, we propose novel machine learning models for target detection and uncertainty estimation in…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Elizabeth Hou , Ross Greenwood , Piyush Kumar

Recently, there has been a surge of interest in combining deep learning models with reasoning in order to handle more sophisticated learning tasks. In many cases, a reasoning task can be solved by an iterative algorithm. This algorithm is…

机器学习 · 计算机科学 2020-11-02 Xinshi Chen , Yufei Zhang , Christoph Reisinger , Le Song

Next-generation wireless systems such as 6G operate at higher frequency bands, making signal propagation highly sensitive to environmental factors such as buildings and vege- tation. Accurate Radio Environment Map (REM) estimation is…

信号处理 · 电气工程与系统科学 2026-04-08 Ljupcho Milosheski , Fedja Močnik , Mihael Mohorčič , Carolina Fortuna