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Line detection is widely used in many robotic tasks such as scene recognition, 3D reconstruction, and simultaneous localization and mapping (SLAM). Compared to points, lines can provide both low-level and high-level geometrical information…

Robotics · Computer Science 2025-08-12 Xiao Lin , Chen Wang

The SLAM system based on static scene assumption will introduce huge estimation errors when moving objects appear in the field of view. This paper proposes a novel multi-object dynamic lidar odometry (MLO) based on semantic object detection…

Robotics · Computer Science 2023-03-03 Tingchen Ma , Yongsheng Ou

We address the problem of learning observation models end-to-end for estimation. Robots operating in partially observable environments must infer latent states from multiple sensory inputs using observation models that capture the joint…

Robotics · Computer Science 2022-04-12 Paloma Sodhi , Eric Dexheimer , Mustafa Mukadam , Stuart Anderson , Michael Kaess

In this paper, we present a new robotic system to perform defect inspection tasks over free-form specular surfaces. The autonomous procedure is achieved by a six-DOF manipulator, equipped with a line scan camera and a high-intensity…

Robotics · Computer Science 2020-08-26 Shengzeng Huo , David Navarro-Alarcon , David Chik

Visual Object Tracking (VOT) can be seen as an extended task of Few-Shot Learning (FSL). While the concept of FSL is not new in tracking and has been previously applied by prior works, most of them are tailored to fit specific types of FSL…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Jinghao Zhou , Bo Li , Peng Wang , Peixia Li , Weihao Gan , Wei Wu , Junjie Yan , Wanli Ouyang

Visual Inertial Odometry (VIO) is the task of estimating the movement trajectory of an agent from an onboard camera stream fused with additional Inertial Measurement Unit (IMU) measurements. A crucial subtask within VIO is the tracking of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Jonas Kühne , Michele Magno , Luca Benini

Scene flow prediction is a crucial underlying task in understanding dynamic scenes as it offers fundamental motion information. However, contemporary scene flow methods encounter three major challenges. Firstly, flow estimation solely based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Zhiyang Lu , Qinghan Chen , Ming Cheng

Highly dynamic environments, with moving objects such as cars or humans, can pose a performance challenge for LiDAR SLAM systems that assume largely static scenes. To overcome this challenge and support the deployment of robots in real…

Object tracking is a hot topic in computer vision. Thanks to the booming of the very high resolution (VHR) remote sensing techniques, it is now possible to track targets of interests in satellite videos. However, since the targets in the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Bo Du , Shihan Cai , Chen Wu , Liangpei Zhang , Dacheng Tao

In dynamic environments, the ability to detect and track moving objects in real-time is crucial for autonomous robots to navigate safely and effectively. Traditional methods for dynamic object detection rely on high accuracy odometry and…

Robotics · Computer Science 2024-07-08 Wenqiang Du , Giovanni Beltrame

Accurate and efficient fluid flow models are essential for applications relating to many physical phenomena including geophysical, aerodynamic, and biological systems. While these flows may exhibit rich and multiscale dynamics, in many…

Fluid Dynamics · Physics 2024-08-27 Benjamin D. Shaffer , Jeremy R. Vorenberg , M. Ani Hsieh

In this paper, we present a new method for detecting road users in an urban environment which leads to an improvement in multiple object tracking. Our method takes as an input a foreground image and improves the object detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 David-Alexandre Beaupré , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Over the several recent years, there has been a boom in development of Flow Matching (FM) methods for generative modeling. One intriguing property pursued by the community is the ability to learn flows with straight trajectories which…

Machine Learning · Statistics 2024-11-11 Nikita Kornilov , Petr Mokrov , Alexander Gasnikov , Alexander Korotin

The objective of this paper is motion segmentation -- discovering and segmenting the moving objects in a video. This is a much studied area with numerous careful, and sometimes complex, approaches and training schemes including:…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Junyu Xie , Charig Yang , Weidi Xie , Andrew Zisserman

Recent visual odometry (VO) methods incorporating geometric algorithm into deep-learning architecture have shown outstanding performance on the challenging monocular VO task. Despite encouraging results are shown, previous methods ignore…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Yijun Cao , Xianshi Zhang , Fuya Luo , Peng Peng , Yongjie Li

This paper presents a fast lidar-inertial odometry (LIO) that is robust to aggressive motion. To achieve robust tracking in aggressive motion scenes, we exploit the continuous scanning property of lidar to adaptively divide the full scan…

Robotics · Computer Science 2023-07-24 Jun Liu , Yunzhou Zhang , Xiaoyu Zhao , Zhengnan He

In this paper we present DOT (Dynamic Object Tracking), a front-end that added to existing SLAM systems can significantly improve their robustness and accuracy in highly dynamic environments. DOT combines instance segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Irene Ballester , Alejandro Fontan , Javier Civera , Klaus H. Strobl , Rudolph Triebel

Motion is a dominant cue in automated driving systems. Optical flow is typically computed to detect moving objects and to estimate depth using triangulation. In this paper, our motivation is to leverage the existing dense optical flow to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Hazem Rashed , Senthil Yogamani , Ahmad El-Sallab , Pavel Krizek , Mohamed El-Helw

Autonomous vehicles (AVs) rely on real-time perception systems to understand road environments and ensure safe navigation. However, implementing reliable perception algorithms on resource-constrained embedded platforms remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Md Tanjemul Islam , Md Rafiul Kabir

A novel interface reconstruction strategy for volume of fluid (VOF) methods is introduced that represents the liquid-gas interface as two planes that co-exist within a single computational cell. In comparison to the piecewise linear…

Fluid Dynamics · Physics 2024-03-19 Austin Han , Robert Chiodi , Olivier Desjardins