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3D point clouds are essential for perceiving outdoor scenes, especially within the realm of autonomous driving. Recent advances in 3D LiDAR Object Detection focus primarily on the spatial positioning and distribution of points to ensure…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Li Li , Tanqiu Qiao , Hubert P. H. Shum , Toby P. Breckon

Integrating LiDAR and camera inputs into a unified Bird's-Eye-View (BEV) representation is crucial for enhancing 3D perception capabilities of autonomous vehicles. However, existing methods suffer from spatial misalignment between LiDAR and…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Xiang Li , Zhangchi Hu , Xiao Xu , Bin Kong

Conventional sensor-based localization relies on high-precision maps, which are generally built using specialized mapping techniques involving high labor and computational costs. In the architectural, engineering and construction industry,…

机器人学 · 计算机科学 2022-11-30 Huan Yin , Zhiyi Lin , Justin K. W. Yeoh

This paper presents a new approach to boost a single-modality (LiDAR) 3D object detector by teaching it to simulate features and responses that follow a multi-modality (LiDAR-image) detector. The approach needs LiDAR-image data only when…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Wu Zheng , Mingxuan Hong , Li Jiang , Chi-Wing Fu

LiDAR and camera are two important sensors for 3D object detection in autonomous driving. Despite the increasing popularity of sensor fusion in this field, the robustness against inferior image conditions, e.g., bad illumination and sensor…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Xuyang Bai , Zeyu Hu , Xinge Zhu , Qingqiu Huang , Yilun Chen , Hongbo Fu , Chiew-Lan Tai

It is challenging to reconstruct 3D point clouds in unseen classes from single 2D images. Instead of object-centered coordinate system, current methods generalized global priors learned in seen classes to reconstruct 3D shapes from unseen…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Chao Chen , Yu-Shen Liu , Zhizhong Han

Visual localization, i.e., the problem of camera pose estimation, is a central component of applications such as autonomous robots and augmented reality systems. A dominant approach in the literature, shown to scale to large scenes and to…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Vojtech Panek , Zuzana Kukelova , Torsten Sattler

Field robotics in perceptually-challenging environments require fast and accurate state estimation, but modern LiDAR sensors quickly overwhelm current odometry algorithms. To this end, this paper presents a lightweight frontend LiDAR…

机器人学 · 计算机科学 2022-01-10 Kenny Chen , Brett T. Lopez , Ali-akbar Agha-mohammadi , Ankur Mehta

In recent times, the scope of LIDAR (Light Detection and Ranging) sensor-based technology has spread across numerous fields. It is popularly used to map terrain and navigation information into reliable 3D point cloud data, potentially…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Aakash Kumar , Jyoti Kini , Mubarak Shah , Ajmal Mian

Visual localization for planar moving robot is important to various indoor service robotic applications. To handle the textureless areas and frequent human activities in indoor environments, a novel robust visual localization algorithm…

机器人学 · 计算机科学 2020-11-03 Yanmei Jiao , Lilu Liu , Bo Fu , Xiaqing Ding , Minhang Wang , Yue Wang , Rong Xiong

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,…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jiuming Liu , Dong Zhuo , Zhiheng Feng , Siting Zhu , Chensheng Peng , Zhe Liu , Hesheng Wang

Reconstructing large-scale colored point clouds is an important task in robotics, supporting perception, navigation, and scene understanding. Despite advances in LiDAR inertial visual odometry (LIVO), its performance remains highly…

机器人学 · 计算机科学 2025-11-04 Lijie Wang , Lianjie Guo , Ziyi Xu , Qianhao Wang , Fei Gao , Xieyuanli Chen

The fusion of camera- and LiDAR-based detections offers a promising solution to mitigate tracking failures in 3D multi-object tracking (MOT). However, existing methods predominantly exploit camera detections to correct tracking failures…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Lipeng Gu , Xuefeng Yan , Weiming Wang , Honghua Chen , Dingkun Zhu , Liangliang Nan , Mingqiang Wei

Existing approaches for unsupervised point cloud pre-training are constrained to either scene-level or point/voxel-level instance discrimination. Scene-level methods tend to lose local details that are crucial for recognizing the road…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Junbo Yin , Dingfu Zhou , Liangjun Zhang , Jin Fang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

This paper tackles the challenging task of 3D visual grounding-locating a specific object in a 3D point cloud scene based on text descriptions. Existing methods fall into two categories: top-down and bottom-up methods. Top-down methods rely…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Yang Liu , Daizong Liu , Wei Hu

Monocular 3D human pose estimation poses significant challenges due to the inherent depth ambiguities that arise during the reprojection process from 2D to 3D. Conventional approaches that rely on estimating an over-fit projection matrix…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Junkun Jiang , Jie Chen

Visual localization is a crucial component in the application of mobile robot and autonomous driving. Image retrieval is an efficient and effective technique in image-based localization methods. Due to the drastic variability of…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Hanjiang Hu , Hesheng Wang , Zhe Liu , Weidong Chen

We propose a multi-sensor fusion method for capturing challenging 3D human motions with accurate consecutive local poses and global trajectories in large-scale scenarios, only using single LiDAR and 4 IMUs, which are set up conveniently and…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Yiming Ren , Chengfeng Zhao , Yannan He , Peishan Cong , Han Liang , Jingyi Yu , Lan Xu , Yuexin Ma

Currently, visual odometry and LIDAR odometry are performing well in pose estimation in some typical environments, but they still cannot recover the localization state at high speed or reduce accumulated drifts. In order to solve these…

机器人学 · 计算机科学 2025-04-01 Jintao Cheng , Bohuan Xue , Shiyang Chen , Qiuchi Xiang , Xiaoyu Tang

Object counting and localization are key steps for quantitative analysis in large-scale microscopy applications. This procedure becomes challenging when target objects are overlapping, are densely clustered, and/or present fuzzy boundaries.…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Shijie Li , Thomas Ach , Guido Gerig