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Global localization is essential for robots to perform further tasks like navigation. In this paper, we propose a new framework to perform global localization based on a filter-based visual-inertial odometry framework MSCKF. To reduce the…

Robotics · Computer Science 2021-03-23 Zhuqing Zhang , Yanmei Jiao , Shoudong Huang , Yue Wang , Rong Xiong

Recent works on 6D object pose estimation focus on learning keypoint correspondences between images and object models, and then determine the object pose through RANSAC-based algorithms or by directly regressing the pose with end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Jaime Corsetti , Davide Boscaini , Fabio Poiesi

Due to the indoor none-line-of-sight (NLoS) propagation and multi-access interference (MAI), it is a great challenge to achieve centimeter-level positioning accuracy in indoor scenarios. However, the sixth generation (6G) wireless…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Yang Wu , Yinghua Wang , Jie Huang , Cheng-Xiang Wang , Chen Huang

In this paper, we present a novel end-to-end learning-based LiDAR relocalization framework, termed PointLoc, which infers 6-DoF poses directly using only a single point cloud as input, without requiring a pre-built map. Compared to RGB…

Robotics · Computer Science 2021-11-23 Wei Wang , Bing Wang , Peijun Zhao , Changhao Chen , Ronald Clark , Bo Yang , Andrew Markham , Niki Trigoni

This paper studies the task of any objects grasping from the known categories by free-form language instructions. This task demands the technique in computer vision, natural language processing, and robotics. We bring these disciplines…

Robotics · Computer Science 2022-05-10 Chilam Cheang , Haitao Lin , Yanwei Fu , Xiangyang Xue

Global forest cover is critical to the provision of certain ecosystem services. With the advent of the google earth engine cloud platform, fine resolution global land cover mapping task could be accomplished in a matter of days instead of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Qian Shi , Xiaolei Qin , Lingyu Sun , Zitao Shen , Xiaoping Liu , Xiaocong Xu , Jiaxin Tian , Rong Liu , Andrea Marinoni

Global place recognition and 3D relocalization are one of the most important components in the loop closing detection for 3D LiDAR Simultaneous Localization and Mapping (SLAM). In order to find the accurate global 6-DoF transform by feature…

Robotics · Computer Science 2023-09-18 Kyeongsu Kang , Minjae Lee , Hyeonwoo Yu

Legged robots are increasingly being adopted in industries such as oil, gas, mining, nuclear, and agriculture. However, new challenges exist when moving into natural, less-structured environments, such as forestry applications. This paper…

The self-localization capability is a crucial component for Unmanned Ground Vehicles (UGV) in farming applications. Approaches based solely on visual cues or on low-cost GPS are easily prone to fail in such scenarios. In this paper, we…

Robotics · Computer Science 2018-09-12 Marco Imperoli , Ciro Potena , Daniele Nardi , Giorgio Grisetti , Alberto Pretto

Semantic understanding and localization are fundamental enablers of robot autonomy that have for the most part been tackled as disjoint problems. While deep learning has enabled recent breakthroughs across a wide spectrum of scene…

Robotics · Computer Science 2018-10-12 Noha Radwan , Abhinav Valada , Wolfram Burgard

Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

Robotics · Computer Science 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

Robotic grasping is a fundamental ability for a robot to interact with the environment. Current methods focus on how to obtain a stable and reliable grasping pose in object level, while little work has been studied on part (shape)-wise…

Robotics · Computer Science 2025-05-01 Yaoxian Song , Penglei Sun , Piaopiao Jin , Yi Ren , Yu Zheng , Zhixu Li , Xiaowen Chu , Yue Zhang , Tiefeng Li , Jason Gu

For relocalization in large-scale point clouds, we propose the first approach that unifies global place recognition and local 6DoF pose refinement. To this end, we design a Siamese network that jointly learns 3D local feature detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Juan Du , Rui Wang , Daniel Cremers

Grasping in cluttered scenes has always been a great challenge for robots, due to the requirement of the ability to well understand the scene and object information. Previous works usually assume that the geometry information of the objects…

Robotics · Computer Science 2021-09-28 Yiming Li , Tao Kong , Ruihang Chu , Yifeng Li , Peng Wang , Lei Li

Visual localization on standard-definition (SD) maps has emerged as a promising low-cost and scalable solution for autonomous driving. However, existing regression-based approaches often overlook inherent geometric priors, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Xuchang Zhong , Xu Cao , Jinke Feng , Hao Fang

Two crucial performance criteria for the deployment of visual localization are speed and accuracy. Current research on visual localization with neural networks is limited to examining methods for enhancing the accuracy of networks across…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Hongyi Zhang , Walterio Mayol-Cuevas

This article introduces a novel method for object-level relocalization of robotic systems. It determines the pose of a camera sensor by robustly associating the object detections in the current frame with 3D objects in a lightweight…

Robotics · Computer Science 2024-08-16 Yutong Wang , Chaoyang Jiang , Xieyuanli Chen

Visual localization enables autonomous vehicles to navigate in their surroundings and augmented reality applications to link virtual to real worlds. Practical visual localization approaches need to be robust to a wide variety of viewing…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Torsten Sattler , Will Maddern , Carl Toft , Akihiko Torii , Lars Hammarstrand , Erik Stenborg , Daniel Safari , Masatoshi Okutomi , Marc Pollefeys , Josef Sivic , Fredrik Kahl , Tomas Pajdla

The paper presents a deep neural network-based method for global and local descriptors extraction from a point cloud acquired by a rotating 3D LiDAR. The descriptors can be used for two-stage 6DoF relocalization. First, a course position is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Jacek Komorowski , Monika Wysoczanska , Tomasz Trzcinski

An accurate and robust large-scale localization system is an integral component for active areas of research such as autonomous vehicles and augmented reality. To this end, many learning algorithms have been proposed that predict 6DOF…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Ali Raza , Lazar Lolic , Shahmir Akhter , Alfonso Dela Cruz , Michael Liut