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In recent years, Neural Radiance Fields (NeRF) have emerged as a powerful tool for 3D reconstruction and novel view synthesis. However, the computational cost of NeRF rendering and degradation in quality due to the presence of artifacts…

机器人学 · 计算机科学 2024-08-20 Juyeop Han , Lukas Lao Beyer , Guilherme V. Cavalheiro , Sertac Karaman

This paper delves into the potential of DU-VIO, a dehazing-aided hybrid multi-rate multi-modal Visual-Inertial Odometry (VIO) estimation framework, designed to thrive in the challenging realm of extreme underwater environments. The…

机器人学 · 计算机科学 2024-11-22 Vidya Sudevan , Fakhreddine Zayer , Taimur Hassan , Sajid Javed , Hamad Karki , Giulia De Masi , Jorge Dias

Inertial and Doppler velocity log sensors are commonly used to provide the navigation solution for autonomous underwater vehicles (AUV). To this end, a nonlinear filter is adopted for the fusion task. The filter's process noise covariance…

机器人学 · 计算机科学 2022-12-20 Barak Or , Itzik Klein

Visual place recognition (VPR) enables autonomous systems to localize themselves within an environment using image information. While VPR techniques built upon a Convolutional Neural Network (CNN) backbone dominate state-of-the-art VPR…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Bruno Arcanjo , Bruno Ferrarini , Maria Fasli , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

We present an efficient method to optimize sensor placement for flow estimation using sensors with time-delay embedding in advection-dominated flows. Our solution allows identifying promising candidates for sensor positions using solely…

流体动力学 · 物理学 2025-04-24 Junwei Chen , Marco Raiola , Stefano Discetti

Navigating autonomous underwater vehicles (AUVs) in unknown environments is significantly challenging due to poor visibility, weak signal transmission, and dynamic water currents. These factors pose challenges in accurate global…

机器人学 · 计算机科学 2026-04-29 Veejay Karthik , Udit Ekansh , Tejal Bedmutha , Shivam Vishwakarma , Rohan Deshpande , Leena Vachhani

Intelligent detection and tracking of the vessels on the sea play a significant role in conducting traffic avoidance in unmanned surface vessels(USV). Current traffic avoidance software relies mainly on Automated Identification System (AIS)…

人工智能 · 计算机科学 2024-05-21 Srikanth Vemula , Eulises Franco , Michael Frye

We present a novel multilevel approach for deep learning based image registration. Recently published deep learning based registration methods have shown promising results for a wide range of tasks. However, these algorithms are still…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Alessa Hering , Bram van Ginneken , Stefan Heldmann

Autonomous underwater vehicles (AUVs) are underwater robotic platforms used in a variety of applications. An AUV's navigation solution relies heavily on the fusion of inertial sensors and Doppler velocity logs (DVL), where the latter…

机器人学 · 计算机科学 2025-12-16 Zeev Yampolsky , Itzik Klein

We present a novel method to fuse the power of deep networks with the computational efficiency of geometric and probabilistic localization algorithms. In contrast to other methods that completely replace a classical visual estimator with a…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Valentin Peretroukhin , Jonathan Kelly

There is a significant need for precise and reliable forecasting of the far-field noise emanating from shipping vessels. Conventional full-order models based on the Navier-Stokes equations are unsuitable, and sophisticated model reduction…

机器学习 · 计算机科学 2024-04-15 Indu Kant Deo , Akash Venkateshwaran , Rajeev K. Jaiman

This paper proposes SOLVR, a unified pipeline for learning based LiDAR-Visual re-localisation which performs place recognition and 6-DoF registration across sensor modalities. We propose a strategy to align the input sensor modalities by…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Joshua Knights , Sebastián Barbas Laina , Peyman Moghadam , Stefan Leutenegger

Reliable visual place recognition (VPR) under dynamic real-world conditions is critical for autonomous robots, yet conventional deep networks remain limited by high computational and energy demands. Inspired by the mammalian navigation…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Geoffroy Keime , Nicolas Cuperlier , Benoit R. Cottereau

Burn injuries present a significant global health challenge. Among the most severe long-term consequences are contractures, which can lead to functional impairments and disfigurement. Understanding and predicting the evolution of post-burn…

数值分析 · 数学 2024-11-25 Selma Husanovic , Ginger Egberts , Alexander Heinlein , Fred Vermolen

We simulate the response of acoustic seismic waves in horizontally layered media using a deep neural network. In contrast to traditional finite-difference modelling techniques our network is able to directly approximate the recorded seismic…

地球物理 · 物理学 2024-06-21 Benjamin Moseley , Andrew Markham , Tarje Nissen-Meyer

The success of building a high-resolution velocity model using machine learning is hampered by generalization limitations that often limit the success of the approach on field data. This is especially true when relying on neural operators…

地球物理 · 物理学 2025-09-25 Xiao Ma , Tariq Alkhalifah

Autonomous underwater vehicles (AUVs) are essential for various applications, including oceanographic surveys, underwater mapping, and infrastructure inspections. Accurate and robust navigation are critical to completing these tasks. To…

机器人学 · 计算机科学 2025-12-16 Yair Stolero , Itzik Klein

This paper presents a deep learning strategy to simultaneously solve Partial Differential Equations (PDEs) and back-calculate their parameters in the context of deep tunnel excavation. A Physics-Informed Neural Network (PINN) model is…

计算物理 · 物理学 2026-05-29 Alec Tristani , Chloé Arson

Developing reduced-order models applicable to fluid-dynamics problems involving complex geometries and different flow conditions remains a critical challenge for turbulent flows. This study introduces VIVALDy, a novel machine-learning…

流体动力学 · 物理学 2026-04-13 Niccolò Tonioni , Lionel Agostini , Franck Kerhervé , Laurent Cordier , Ricardo Vinuesa

A novel deep operator network (DeepONet) with a residual U-Net (ResUNet) as the trunk network is devised to predict full-field highly nonlinear elastic-plastic stress response for complex geometries obtained from topology optimization under…

计算工程、金融与科学 · 计算机科学 2023-08-01 Junyan He , Seid Koric , Shashank Kushwaha , Jaewan Park , Diab Abueidda , Iwona Jasiuk