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Visual place recognition techniques based on deep learning, which have imposed themselves as the state-of-the-art in recent years, do not generalize well to environments visually different from the training set. Thus, to achieve top…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Pierre-Yves Lajoie , Giovanni Beltrame

Intelligent autonomous path planning is essential for enhancing the exploration efficiency of mobile robots operating in uneven terrains like planetary surfaces and off-road environments.In this paper, we propose the NNPP model for…

机器人学 · 计算机科学 2024-06-21 Yiming Ji , Yang Liu , Guanghu Xie , Boyu Ma , Zongwu Xie , Baoshi Cao

Object identification is one of the most fundamental and difficult issues in computer vision. It aims to discover object instances in real pictures from a huge number of established categories. In recent years, deep learning-based object…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Venkata Beri

Deep learning based localization and mapping has recently attracted significant attention. Instead of creating hand-designed algorithms through exploitation of physical models or geometric theories, deep learning based solutions provide an…

计算机视觉与模式识别 · 计算机科学 2020-07-01 Changhao Chen , Bing Wang , Chris Xiaoxuan Lu , Niki Trigoni , Andrew Markham

This paper presents a neural-enhanced probabilistic model and corresponding factor graph-based sum-product algorithm for robust localization and tracking in multipath-prone environments. The introduced hybrid probabilistic model consists of…

信号处理 · 电气工程与系统科学 2023-11-30 Alexander Venus , Erik Leitinger , Stefan Tertinek , Klaus Witrisal

In this paper, we propose a Feasible Sequential Linear Programming (FSLP) algorithm applied to time-optimal control problems (TOCP) obtained through direct multiple shooting discretization. This method is motivated by TOCP with nonlinear…

Place classification is a fundamental ability that a robot should possess to carry out effective human-robot interactions. It is a nontrivial classification problem which has attracted many research. In recent years, there is a high…

机器人学 · 计算机科学 2015-06-15 Yiyi Liao , Sarath Kodagoda , Yue Wang , Lei Shi , Yong Liu

Visual localization is the task of estimating camera pose in a known scene, which is an essential problem in robotics and computer vision. However, long-term visual localization is still a challenge due to the environmental appearance…

机器人学 · 计算机科学 2022-12-02 Yuxuan Chen , Timothy D. Barfoot

In this paper, we learn visual features that we use to first build a map and then localize a robot driving autonomously across a full day of lighting change, including in the dark. We train a neural network to predict sparse keypoints with…

机器人学 · 计算机科学 2022-02-18 Mona Gridseth , Timothy D. Barfoot

The real-world deployment of fully autonomous mobile robots depends on a robust SLAM (Simultaneous Localization and Mapping) system, capable of handling dynamic environments, where objects are moving in front of the robot, and changing…

Remote sensing image registration is valuable for image-based navigation system despite posing many challenges. As the search space of registration is usually non-convex, the optimization algorithm, which aims to search the best…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Jia Wang , Ping Wang , Biao Li , Yinghui Gao , Siyi Zhao

Most existing approaches for visual localization either need a detailed 3D model of the environment or, in the case of learning-based methods, must be retrained for each new scene. This can either be very expensive or simply impossible for…

机器人学 · 计算机科学 2021-06-22 Dominik Winkelbauer , Maximilian Denninger , Rudolph Triebel

Uniform and variable environments still remain a challenge for stable visual localization and mapping in mobile robot navigation. One of the possible approaches suitable for such environments is appearance-based teach-and-repeat navigation,…

机器人学 · 计算机科学 2025-03-18 Václav Truhlařík , Tomáš Pivoňka , Michal Kasarda , Libor Přeučil

This paper proposes an optimization-based approach to predict trajectories of autonomous race cars. We assume that the observed trajectory is the result of an optimization problem that trades off path progress against acceleration and jerk…

系统与控制 · 电气工程与系统科学 2022-12-06 Rudolf Reiter , Florian Messerer , Markus Schratter , Daniel Watzenig , Moritz Diehl

Visual place recognition methods struggle with occlusions and partial visual overlaps. We propose a novel visual place recognition approach based on overlap prediction, called VOP, shifting from traditional reliance on global image…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Tong Wei , Philipp Lindenberger , Jiri Matas , Daniel Barath

We introduce an algorithm which can be directly used to feasible and optimum search in linear programming. Starting from an initial point the algorithm iteratively moves a point in a direction to resolve the violated constraints. At the…

最优化与控制 · 数学 2023-12-05 Denys Shcherbak , Natalya Pya Arnqvist

An algorithm for unconstrained non-convex optimization is described, which does not evaluate the objective function and in which minimization is carried out, at each iteration, within a randomly selected subspace. It is shown that this…

最优化与控制 · 数学 2025-01-31 S. Bellavia , S. Gratton , B. Morini , Ph. L. Toint

This paper investigates the fundamental mechanisms driving plasticity loss in deep reinforcement learning (RL), a critical challenge where neural networks lose their ability to adapt to non-stationary environments. While existing research…

机器学习 · 计算机科学 2026-03-24 Zhiqiang He

In this paper, we propose an online learning-based predictive control (LPC) approach designed for nonlinear systems that lack explicit system dynamics. Unlike traditional model predictive control (MPC) algorithms that rely on known system…

最优化与控制 · 数学 2025-03-17 Yuanqing Zhang , Huanshui Zhang

This paper presents a new approach for the challenging problem of geo-locating an image using image matching in a structured database of city-wide reference images with known GPS coordinates. We cast the geo-localization as a clustering…

计算机视觉与模式识别 · 计算机科学 2017-09-15 Eyasu Zemene , Yonatan Tariku , Haroon Idrees , Andrea Prati , Marcello Pelillo , Mubarak Shah