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Challenges persist in nonholonomic robot navigation in dynamic environments. This paper presents a framework for such navigation based on the model of generalized velocity obstacles (GVO). The idea of velocity obstacles has been well…

机器人学 · 计算机科学 2018-04-12 Yuying Chen , Ming Liu

Hybrid pipelines that combine deep learning with classical optimization have established themselves as the dominant approach to visual odometry (VO). By integrating neural network predictions with bundle adjustment, these models estimate…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Vlardimir Yugay , Duy-Kien Nguyen , Theo Gevers , Cees G. M. Snoek , Martin R. Oswald

Learning-based visual odometry (VO) algorithms achieve remarkable performance on common static scenes, benefiting from high-capacity models and massive annotated data, but tend to fail in dynamic, populated environments. Semantic…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Shihao Shen , Yilin Cai , Wenshan Wang , Sebastian Scherer

Visual Odometry (VO) plays a pivotal role in autonomous systems, with a principal challenge being the lack of depth information in camera images. This paper introduces OCC-VO, a novel framework that capitalizes on recent advances in deep…

机器人学 · 计算机科学 2024-03-27 Heng Li , Yifan Duan , Xinran Zhang , Haiyi Liu , Jianmin Ji , Yanyong Zhang

Navigating dynamic and unstructured environments poses significant challenges for autonomous robots, particularly due to the uncertainty introduced by occluded areas. Conventional sensing methods often fail to detect obstacles hidden behind…

机器人学 · 计算机科学 2024-12-31 Sithija Ranaraja

Visual Odometry (VO) is vital for the navigation of autonomous systems, providing accurate position and orientation estimates at reasonable costs. While traditional VO methods excel in some conditions, they struggle with challenges like…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Siyu Chen , Kangcheng Liu , Chen Wang , Shenghai Yuan , Jianfei Yang , Lihua Xie

The probabilistic velocity obstacle (PVO) extends the concept of velocity obstacle (VO) to work in uncertain dynamic environments. In this paper, we show how a robust model predictive control (MPC) with PVO constraints under non-parametric…

We present Probabilistic Reciprocal Velocity Obstacle or PRVO as a general algorithm for navigating multiple robots under perception and motion uncertainty. PRVO is defined as the space of velocities that ensures dynamic collision avoidance…

机器人学 · 计算机科学 2016-08-23 Bharath Gopalakrishnan , Arun Kumar Singh , Meha Kaushik , K. Madhava Krishna , Dinesh Manocha

Event cameras open up new possibilities for robotic perception due to their low latency and high dynamic range. On the other hand, developing effective event-based vision algorithms that fully exploit the beneficial properties of event…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Daqi Liu , Alvaro Parra , Yasir Latif , Bo Chen , Tat-Jun Chin , Ian Reid

Reliable feature correspondence between frames is a critical step in visual odometry (VO) and visual simultaneous localization and mapping (V-SLAM) algorithms. In comparison with existing VO and V-SLAM algorithms, semi-direct visual…

计算机视觉与模式识别 · 计算机科学 2018-10-03 Shing Yan Loo , Ali Jahani Amiri , Syamsiah Mashohor , Sai Hong Tang , Hong Zhang

We present a new microscopic ODE-based model for pedestrian dynamics: the Gradient Navigation Model. The model uses a superposition of gradients of distance functions to directly change the direction of the velocity vector. The velocity is…

数学物理 · 物理学 2014-06-11 Felix Dietrich , Gerta Köster

The technology for Visual Odometry (VO) that estimates the position and orientation of the moving object through analyzing the image sequences captured by on-board cameras, has been well investigated with the rising interest in autonomous…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Ran Zhu , Mingkun Yang , Wang Liu , Rujun Song , Bo Yan , Zhuoling Xiao

Autonomous navigation in crowded spaces poses a challenge for mobile robots due to the highly dynamic, partially observable environment. Occlusions are highly prevalent in such settings due to a limited sensor field of view and obstructing…

机器人学 · 计算机科学 2023-05-02 Ye-Ji Mun , Masha Itkina , Shuijing Liu , Katherine Driggs-Campbell

Visual Odometry (VO) is used in many applications including robotics and autonomous systems. However, traditional approaches based on feature matching are computationally expensive and do not directly address failure cases, instead relying…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

Deep Learning based techniques have been adopted with precision to solve a lot of standard computer vision problems, some of which are image classification, object detection and segmentation. Despite the widespread success of these…

计算机视觉与模式识别 · 计算机科学 2016-11-21 Vikram Mohanty , Shubh Agrawal , Shaswat Datta , Arna Ghosh , Vishnu Dutt Sharma , Debashish Chakravarty

Velocity Obstacles (VO) methods form a paradigm for collision avoidance strategies among moving obstacles and agents. While VO methods perform well in simple multi-agent environments, they don't guarantee safety and can show overly…

机器人学 · 计算机科学 2025-03-12 Alejandro Sánchez Roncero , Rafael I. Cabral Muchacho , Petter Ögren

This paper presents a study on the development of an obstacle-avoidance navigation system for autonomous navigation in home environments. The system utilizes vision-based techniques and advanced path-planning algorithms to enable the robot…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Sagar Manglani

Data-driven visual odometry (VO) is a critical subroutine for autonomous edge robotics, and recent progress in the field has produced highly accurate point predictions in complex environments. However, emerging autonomous edge robotics…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Alex C. Stutts , Danilo Erricolo , Theja Tulabandhula , Amit Ranjan Trivedi

Effectively localizing an agent in a realistic, noisy setting is crucial for many embodied vision tasks. Visual Odometry (VO) is a practical substitute for unreliable GPS and compass sensors, especially in indoor environments. While…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Marius Memmel , Roman Bachmann , Amir Zamir

Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden