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Simultaneous state estimation and mapping is an essential capability for mobile robots working in dynamic urban environment. The majority of existing SLAM solutions heavily rely on a primarily static assumption. However, due to the presence…

Robotics · Computer Science 2024-10-18 Yanpeng Jia , Ting Wang , Xieyuanli Chen , Shiliang Shao

A new robust and accurate approach for the detection and localization of flying objects with the purpose of highly dynamic aerial interception and agile multi-robot interaction is presented in this paper. The approach is proposed for use on…

Recently, polar-based representation has shown promising properties in perceptual tasks. In addition to Cartesian-based approaches, which separate point clouds unevenly, representing point clouds as polar grids has been recognized as an…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Ming Nie , Yujing Xue , Chunwei Wang , Chaoqiang Ye , Hang Xu , Xinge Zhu , Qingqiu Huang , Michael Bi Mi , Xinchao Wang , Li Zhang

In recent years 3D object detection from LiDAR point clouds has made great progress thanks to the development of deep learning technologies. Although voxel or point based methods are popular in 3D object detection, they usually involve…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Jiaqi Gu , Zhiyu Xiang , Pan Zhao , Tingming Bai , Lingxuan Wang , Xijun Zhao , Zhiyuan Zhang

This paper presents a novel framework for robust 3D object detection from point clouds via cross-modal hallucination. Our proposed approach is agnostic to either hallucination direction between LiDAR and 4D radar. We introduce multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Jianning Deng , Gabriel Chan , Hantao Zhong , Chris Xiaoxuan Lu

LiDAR-based 3D object detectors often struggle to detect far-field objects due to the sparsity of point clouds at long ranges, which limits the availability of reliable geometric cues. To address this, prior approaches augment LiDAR data…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Veerain Sood , Bnalin , Gaurav Pandey

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

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

Object detection and classification are crucial tasks across various application domains, particularly in the development of safe and reliable Advanced Driver Assistance Systems (ADAS). Existing deep learning-based methods such as…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Rashed Al Amin , Roman Obermaisser

PointPillars is the fastest 3D object detector that exploits pseudo image representations to encode features for 3D objects in a scene. Albeit efficient, PointPillars is typically outperformed by state-of-the-art 3D detection methods due to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Jongyoun Noh , Junghyup Lee , Hyekang Park , Bumsub Ham

Deploying a deep learning model on mobile/IoT devices is a challenging task. The difficulty lies in the trade-off between computation speed and accuracy. A complex deep learning model with high accuracy runs slowly on resource-limited…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Xin Li , Shuai Zhang , Bolan Jiang , Yingyong Qi , Mooi Choo Chuah , Ning Bi

In order to navigate complex traffic environments, self-driving vehicles must recognize many semantic classes pertaining to vulnerable road users or traffic control devices. However, many safety-critical objects (e.g., construction worker)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Anqi Joyce Yang , James Tu , Nikita Dvornik , Enxu Li , Raquel Urtasun

Voxel-based 3D object classification has been thoroughly studied in recent years. Most previous methods convert the classic 2D convolution into a 3D form that will be further applied to objects with binary voxel representation for…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Ji Luo , Hui Cao , Jie Wang , Siyu Zhang , Shen Cai

The multi-line LiDAR is widely used in autonomous vehicles, so point cloud-based 3D detectors are essential for autonomous driving. Extracting rich multi-scale features is crucial for point cloud-based 3D detectors in autonomous driving due…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Xusheng Li , Chengliang Wang , Shumao Wang , Zhuo Zeng , Ji Liu

When localizing and detecting 3D objects for autonomous driving scenes, obtaining information from multiple sensor (e.g. camera, LIDAR) typically increases the robustness of 3D detectors. However, the efficient and effective fusion of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

This paper presents Multi-view Labelling Object Detector (MLOD). The detector takes an RGB image and a LIDAR point cloud as input and follows the two-stage object detection framework. A Region Proposal Network (RPN) generates 3D proposals…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Jian Deng , Krzysztof Czarnecki

3D object detection from LiDAR sensor data is an important topic in the context of autonomous cars and drones. In this paper, we present the results of experiments on the impact of backbone selection of a deep convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Konrad Lis , Tomasz Kryjak

Object detection is considered one of the most challenging problems in this field of computer vision, as it involves the combination of object classification and object localization within a scene. Recently, deep neural networks (DNNs) have…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Mohammad Javad Shafiee , Brendan Chywl , Francis Li , Alexander Wong

Information inside visual and LiDAR data is well complementary derived from the fine-grained texture of images and massive geometric information in point clouds. However, it remains challenging to explore effective visual-LiDAR fusion,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jiuming Liu , Dong Zhuo , Zhiheng Feng , Siting Zhu , Chensheng Peng , Zhe Liu , Hesheng Wang

LiDAR odometry (LO) describes the task of finding an alignment of subsequent LiDAR point clouds. This alignment can be used to estimate the motion of the platform where the LiDAR sensor is mounted on. Currently, on the well-known KITTI…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Philipp Adis , Nicolas Horst , Mathias Wien