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Identifying moving objects is a crucial capability for autonomous navigation, consistent map generation, and future trajectory prediction of objects. In this paper, we propose a novel network that addresses the challenge of segmenting…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Neng Wang , Chenghao Shi , Ruibin Guo , Huimin Lu , Zhiqiang Zheng , Xieyuanli Chen

The ability to grasp ordinary and potentially never-seen objects is an important feature in both domestic and industrial robotics. For a system to accomplish this, it must autonomously identify grasping locations by using information from…

Robotics · Computer Science 2016-06-03 Ludovic Trottier , Philippe Giguère , Brahim Chaib-draa

Place recognition using SOund Navigation and Ranging (SONAR) images is an important task for simultaneous localization and mapping(SLAM) in underwater environments. This paper proposes a robust and efficient imaging SONAR based place…

Robotics · Computer Science 2024-03-12 Hogyun Kim , Gilhwan Kang , Seokhwan Jeong , Seungjun Ma , Younggun Cho

Learning and recognition is a fundamental process performed in many robot operations such as mapping and localization. The majority of approaches share some common characteristics, such as attempting to extract salient features, landmarks…

Robotics · Computer Science 2017-07-21 Adam Jacobson , Walter Scheirer , Michael Milford

Global localization and kidnapping are two challenging problems in robot localization. The popular method, Monte Carlo Localization (MCL) addresses the problem by iteratively updating a set of particles with a "sampling-weighting" loop.…

Robotics · Computer Science 2021-02-19 Runjian Chen , Huan Yin , Yanmei Jiao , Gamini Dissanayake , Yue Wang , Rong Xiong

Regression-based LiDAR relocalization has recently emerged as a promising solution for high-precision positioning in GNSS-denied environments. However, these methods are primarily tailored to autonomous driving, exhibiting significantly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Hengyu Mu , Jianshi Wu , Yuxin Guo , XianLian Lin , Qingyong Hu , Sheng Ao , Chenglu Wen , Cheng Wang

Robust and accurate, map-based localization is crucial for autonomous mobile systems. In this paper, we exploit range images generated from 3D LiDAR scans to address the problem of localizing mobile robots or autonomous cars in a map of a…

Robotics · Computer Science 2022-04-26 Xieyuanli Chen , Ignacio Vizzo , Thomas Läbe , Jens Behley , Cyrill Stachniss

In autonomous navigation systems, the solution of the place recognition problem is crucial for their safe functioning. But this is not a trivial solution, since it must be accurate regardless of any changes in the scene, such as seasonal…

Machine Learning · Computer Science 2025-05-26 Judith Vilella-Cantos , Juan José Cabrera , Luis Payá , Mónica Ballesta , David Valiente

This paper presents a fully unsupervised deep change detection approach for mobile robots with 3D LiDAR. In unstructured environments, it is infeasible to define a closed set of semantic classes. Instead, semantic segmentation is…

Robotics · Computer Science 2024-05-01 Alexander Krawciw , Jordy Sehn , Timothy D. Barfoot

Consistent maps are key for most autonomous mobile robots, and they often use SLAM approaches to build such maps. Loop closures via place recognition help to maintain accurate pose estimates by mitigating global drift, and are thus key for…

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Recent progress in contrastive learning has revolutionized unsupervised representation learning. Concretely, multiple views (augmentations) from the same image are encouraged to map to the similar embeddings, while views from different…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Nanxuan Zhao , Zhirong Wu , Rynson W. H. Lau , Stephen Lin

Differentiable rendering aims to compute the derivative of the image rendering function with respect to the rendering parameters. This paper presents a novel algorithm for 6-DoF pose estimation through gradient-based optimization using a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Ramchander Rao Bhaskara , Roshan Thomas Eapen , Manoranjan Majji

Visual place recognition is a challenging task for applications such as autonomous driving navigation and mobile robot localization. Distracting elements presenting in complex scenes often lead to deviations in the perception of visual…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Ruotong Wang , Yanqing Shen , Weiliang Zuo , Sanping Zhou , Nanning Zheng

Scene graphs enhance 3D mapping capabilities in robotics by understanding the relationships between different spatial elements, such as rooms and objects. Recent research extends scene graphs to hierarchical layers, adding and leveraging…

Robotics · Computer Science 2025-10-20 Jeewon Kim , Minho Oh , Hyun Myung

Visual place recognition is an important problem towards global localization in many robotics tasks. One of the biggest challenges is that it may suffer from illumination or appearance changes in surrounding environments. Event cameras are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Xiang Ji , Jiaxin Wei , Yifu Wang , Huiliang Shang , Laurent Kneip

Reliable localization is critical for robot navigation in complex indoor environments. In this paper, we propose an uncertainty-aware localization method that enhances the reliability of localization outputs without modifying the prediction…

Robotics · Computer Science 2025-04-23 Hye-Min Won , Jieun Lee , Jiyong Oh

Deformable image registration is able to achieve fast and accurate alignment between a pair of images and thus plays an important role in many medical image studies. The current deep learning (DL)-based image registration approaches…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Xinke Ma , Yibo Yang , Yong Xia , Dacheng Tao

This paper proposes a novel approach for global localisation of mobile robots in large-scale environments. Our method leverages learning-based localisation and filtering-based localisation, to localise the robot efficiently and precisely…

Robotics · Computer Science 2020-07-17 Li Sun , Daniel Adolfsson , Martin Magnusson , Henrik Andreasson , Ingmar Posner , Tom Duckett

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez