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In this paper, we study efficient and reliable automatic extraction algorithm to find out the open space area from the high resolution urban satellite imagery, and to detect changes from the extracted open space area during the period 2003,…

Computer Vision and Pattern Recognition · Computer Science 2011-03-28 B. G. Kodge , P. S. Hiremath

Vehicle speed monitoring and management of highways is the critical problem of the road in this modern age of growing technology and population. A poor management results in frequent traffic jam, traffic rules violation and fatal road…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Sulaiman Khan , Hazrat Ali , Zia Ullah , Mohammad Farhad Bulbul

Planning high-speed trajectories for UAVs in unknown environments requires algorithmic techniques that enable fast reaction times to guarantee safety as more information about the environment becomes available. The standard approaches that…

Robotics · Computer Science 2021-09-01 Jesus Tordesillas , Brett T. Lopez , Michael Everett , Jonathan P. How

This paper presents a model-free, setting-independent method for online detection of dynamic objects in 3D lidar data. We explicitly compensate for the moving-while-scanning operation (motion distortion) of present-day 3D spinning lidar…

Robotics · Computer Science 2018-09-20 David J. Yoon , Tim Y. Tang , Timothy D. Barfoot

Moving object detection is a critical task for autonomous vehicles. As dynamic objects represent higher collision risk than static ones, our own ego-trajectories have to be planned attending to the future states of the moving elements of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hazem Rashed , Mohamed Ramzy , Victor Vaquero , Ahmad El Sallab , Ganesh Sistu , Senthil Yogamani

Reliable obstacle detection and classification in rough and unstructured terrain such as agricultural fields or orchards remains a challenging problem. These environments involve large variations in both geometry and appearance, challenging…

Robotics · Computer Science 2019-03-14 Mikkel Kragh , James Underwood

LiDAR odometry can achieve accurate vehicle pose estimation for short driving range or in small-scale environments, but for long driving range or in large-scale environments, the accuracy deteriorates as a result of cumulative estimation…

Robotics · Computer Science 2023-03-16 Lizhou Liao , Chunyun Fu , Binbin Feng , Tian Su

Up-to-date High-Definition (HD) maps are essential for self-driving cars. To achieve constantly updated HD maps, we present a deep neural network (DNN), Diff-Net, to detect changes in them. Compared to traditional methods based on object…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Lei He , Shengjie Jiang , Xiaoqing Liang , Ning Wang , Shiyu Song

LiDAR scene flow is the task of estimating per-point 3D motion between consecutive point clouds. Recent methods achieve centimeter-level accuracy on popular autonomous vehicle (AV) datasets, but are typically only trained and evaluated on a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Siyi Li , Qingwen Zhang , Ishan Khatri , Kyle Vedder , Eric Eaton , Deva Ramanan , Neehar Peri

We present a distribution-free CUSUM procedure designed for online change detection in a time series of low-rank images, particularly when the change causes a mean shift. We represent images as matrix data and allow for temporal dependence,…

Methodology · Statistics 2025-02-28 Tingnan Gong , Seong-Hee Kim , Yao Xie

Accurate depth-sensing plays a crucial role in securing a high success rate of robotic harvesting in natural orchard environments. Solid-state LiDAR (SSL), a recently introduced LiDAR technique, can perceive high-resolution geometric…

Robotics · Computer Science 2022-11-30 Hanwen Kang , Xing Wang , Chao Chen

We address the problem of estimating the pose and shape of vehicles from LiDAR scans, a common problem faced by the autonomous vehicle community. Recent work has tended to address pose and shape estimation separately in isolation, despite…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Hunter Goforth , Xiaoyan Hu , Michael Happold , Simon Lucey

Human gait recognition is crucial in multimedia, enabling identification through walking patterns without direct interaction, enhancing the integration across various media forms in real-world applications like smart homes, healthcare and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Xiao Han , Yiming Ren , Peishan Cong , Yujing Sun , Jingya Wang , Lan Xu , Yuexin Ma

Future SAE Level 4 and Level 5 autonomous vehicles will require novel applications of localization, perception, control and artificial intelligence technology in order to offer innovative and disruptive solutions to current mobility…

Robotics · Computer Science 2024-07-02 Bowen Wen

This paper presents a novel indoor layout estimation system based on the fusion of 2D LiDAR and intensity camera data. A ground robot explores an indoor space with a single floor and vertical walls, and collects a sequence of intensity…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Jieyu Li , Robert Stevenson

This paper addresses the problem of learning instantaneous occupancy levels of dynamic environments and predicting future occupancy levels. Due to the complexity of most real-world environments, such as urban streets or crowded areas, the…

Robotics · Computer Science 2019-12-05 Vitor Guizilini , Ransalu Senanayake , Fabio Ramos

Federated Object Detection (FOD) enables clients to collaboratively train a global object detection model without accessing their local data from diverse domains. However, significant variations in environment, weather, and other domain…

Machine Learning · Computer Science 2025-09-16 Haolin Yuan , Jingtao Li , Weiming Zhuang , Chen Chen , Lingjuan Lyu

Off-road freespace detection is more challenging than on-road scenarios because of the blurred boundaries of traversable areas. Previous state-of-the-art (SOTA) methods employ multi-modal fusion of RGB images and LiDAR data. However, due to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Tong Sun , Hongliang Ye , Jilin Mei , Liang Chen , Fangzhou Zhao , Leiqiang Zong , Yu Hu

Navigating in off-road environments for wheeled mobile robots is challenging due to dynamic and rugged terrain. Traditional physics-based stability metrics, such as Static Stability Margin (SSM) or Zero Moment Point (ZMP) require knowledge…

Robotics · Computer Science 2025-07-18 Nathaniel Rose , Arif Ahmed , Emanuel Gutierrez-Cornejo , Parikshit Maini

For planning rearrangements of objects in a clutter, it is required to know the goal configuration of the objects. However, in real life scenarios, this information is not available most of the time. We introduce a novel method that…

Robotics · Computer Science 2019-06-21 Abdul Rahman Dabbour , Esra Erdem , Volkan Patoglu