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The integration of hyperspectral imaging (HSI) and LiDAR data within new linear feature spaces offers a promising solution to the challenges posed by the high-dimensionality and redundancy inherent in HSIs. This study introduces a dual…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Judy X Yang , Jing Wang , Chen Hong Sui , Zekun Long , Jun Zhou

Recovering whole-body mesh by inferring the abstract pose and shape parameters from visual content can obtain 3D bodies with realistic structures. However, the inferring process is highly non-linear and suffers from image-mesh misalignment,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Jiefeng Li , Siyuan Bian , Chao Xu , Zhicun Chen , Lixin Yang , Cewu Lu

Scene coordinate regression achieves impressive results in outdoor LiDAR localization but requires days of training. Since training needs to be repeated for each new scene, long training times make these methods impractical for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Wen Li , Chen Liu , Shangshu Yu , Dunqiang Liu , Yin Zhou , Siqi Shen , Chenglu Wen , Cheng Wang

The overarching goals in image-based localization are scale, robustness and speed. In recent years, approaches based on local features and sparse 3D point-cloud models have both dominated the benchmarks and seen successful realworld…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Simon Lynen , Bernhard Zeisl , Dror Aiger , Michael Bosse , Joel Hesch , Marc Pollefeys , Roland Siegwart , Torsten Sattler

LiDAR odometry is a fundamental task for various areas such as robotics, autonomous driving. This problem is difficult since it requires the systems to be highly robust running in noisy real-world data. Existing methods are mostly local…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Zhichao Li , Naiyan Wang

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

Fusing data from LiDAR and camera is conceptually attractive because of their complementary properties. For instance, camera images are higher resolution and have colors, while LiDAR data provide more accurate range measurements and have a…

Robotics · Computer Science 2019-07-02 Weikun Zhen , Yaoyu Hu , Jingfeng Liu , Sebastian Scherer

Existing LiDAR-Camera fusion methods have achieved strong results in 3D object detection. To address the sparsity of point clouds, previous approaches typically construct spatial pseudo point clouds via depth completion as auxiliary input…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Jijun Wang , Yan Wu , Yujian Mo , Junqiao Zhao , Jun Yan , Yinghao Hu

Human face pose estimation aims at estimating the gazing direction or head postures with 2D images. It gives some very important information such as communicative gestures, saliency detection and so on, which attracts plenty of attention…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Chaoqun Hong , Jun Yu

A Colored point cloud, as a simple and efficient 3D representation, has many advantages in various fields, including robotic navigation and scene reconstruction. This representation is now commonly used in 3D reconstruction tasks relying on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Bonan Liu , Guoyang Zhao , Jianhao Jiao , Guang Cai , Chengyang Li , Handi Yin , Yuyang Wang , Ming Liu , Pan Hui

Map-based LiDAR localization, while widely used in autonomous systems, faces significant challenges in degraded environments due to lacking distinct geometric features. This paper introduces SuperLoc, a robust LiDAR localization package…

Robotics · Computer Science 2025-03-31 Shibo Zhao , Honghao Zhu , Yuanjun Gao , Beomsoo Kim , Yuheng Qiu , Aaron M. Johnson , Sebastian Scherer

Localization has been a challenging task for autonomous navigation. A loop detection algorithm must overcome environmental changes for the place recognition and re-localization of robots. Therefore, deep learning has been extensively…

Robotics · Computer Science 2023-04-19 Alex Junho Lee , Seungwon Song , Hyungtae Lim , Woojoo Lee , Hyun Myung

The success of re-localisation has crucial implications for the practical deployment of robots operating within a prior map or relative to one another in real-world scenarios. Using single-modality, place recognition and localisation can be…

Robotics · Computer Science 2023-07-27 Milad Ramezani , Ethan Griffiths , Maryam Haghighat , Alex Pitt , Peyman Moghadam

This technical report introduces CyberLoc, an image-based visual localization pipeline for robust and accurate long-term pose estimation under challenging conditions. The proposed method comprises four modules connected in a sequence.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Liu Liu , Yukai Lin , Xiao Liang , Qichao Xu , Miao Jia , Yangdong Liu , Yuxiang Wen , Wei Luo , Jiangwei Li

Calibration is an essential prerequisite for the accurate data fusion of LiDAR and camera sensors. Traditional calibration techniques often require specific targets or suitable scenes to obtain reliable 2D-3D correspondences. To tackle the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Shujuan Huang , Chunyu Lin , Yao Zhao

LiDAR-based Place Recognition (LPR) remains a critical task in Embodied Artificial Intelligence (AI) and Autonomous Driving, primarily addressing localization challenges in GPS-denied environments and supporting loop closure detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Jintao Cheng , Jiehao Luo , Xieyuanli Chen , Jin Wu , Rui Fan , Xiaoyu Tang , Wei Zhang

Structure from Motion (SfM) often fails to estimate accurate poses in environments that lack suitable visual features. In such cases, the quality of the final 3D mesh, which is contingent on the accuracy of those estimates, is reduced. One…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Victor Amblard , Timothy P. Osedach , Arnaud Croux , Andrew Speck , John J. Leonard

Hyperbolic embeddings are a class of representation learning methods that offer competitive performances when data can be abstracted as a tree-like graph. However, in practice, learning hyperbolic embeddings of hierarchical data is…

Machine Learning · Computer Science 2024-07-24 Zhangyu Wang , Lantian Xu , Zhifeng Kong , Weilong Wang , Xuyu Peng , Enyang Zheng

Recently, in-bed human pose estimation has attracted the interest of researchers due to its relevance to a wide range of healthcare applications. Compared to the general problem of human pose estimation, in-bed pose estimation has several…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Thisun Dayarathna , Thamidu Muthukumarana , Yasiru Rathnayaka , Simon Denman , Chathura de Silva , Akila Pemasiri , David Ahmedt-Aristizabal

In this paper, we propose a novel training strategy called SupFusion, which provides an auxiliary feature level supervision for effective LiDAR-Camera fusion and significantly boosts detection performance. Our strategy involves a data…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Yiran Qin , Chaoqun Wang , Zijian Kang , Ningning Ma , Zhen Li , Ruimao Zhang