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Point cloud registration plays a crucial role in various computer vision tasks, and usually demands the resolution of partial overlap registration in practice. Most existing methods perform a serial calculation of rotation and translation,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Shiqi Li , Jihua Zhu , Yifan Xie

As point cloud data increases in prevalence in a variety of applications, the ability to detect out-of-distribution (OOD) point cloud objects becomes critical for ensuring model safety and reliability. However, this problem remains…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Adam Goodge , Xun Xu , Bryan Hooi , Wee Siong Ng , Jingyi Liao , Yongyi Su , Xulei Yang

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

In this work, we introduce Wonder3D, a novel method for efficiently generating high-fidelity textured meshes from single-view images.Recent methods based on Score Distillation Sampling (SDS) have shown the potential to recover 3D geometry…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Xiaoxiao Long , Yuan-Chen Guo , Cheng Lin , Yuan Liu , Zhiyang Dou , Lingjie Liu , Yuexin Ma , Song-Hai Zhang , Marc Habermann , Christian Theobalt , Wenping Wang

Point-based representations have consistently played a vital role in geometric data structures. Most point cloud learning and processing methods typically leverage the unordered and unconstrained nature to represent the underlying geometry…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Jionghao Wang , Cheng Lin , Yuan Liu , Rui Xu , Zhiyang Dou , Xiao-Xiao Long , Hao-Xiang Guo , Taku Komura , Wenping Wang , Xin Li

We introduce PointGauss, a novel point cloud-guided framework for real-time multi-object segmentation in Gaussian Splatting representations. Unlike existing methods that suffer from prolonged initialization and limited multi-view…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Wentao Sun , Hanqing Xu , Quanyun Wu , Dedong Zhang , Yiping Chen , Lingfei Ma , John S. Zelek , Jonathan Li

Deep point cloud registration methods face challenges to partial overlaps and rely on labeled data. To address these issues, we propose UDPReg, an unsupervised deep probabilistic registration framework for point clouds with partial…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Guofeng Mei , Hao Tang , Xiaoshui Huang , Weijie Wang , Juan Liu , Jian Zhang , Luc Van Gool , Qiang Wu

High-resolution Optical Coherence Tomography (OCT) images are crucial for ophthalmology studies but are limited by their relatively narrow field of view (FoV). Image mosaicking is a technique for aligning multiple overlapping images to…

Image and Video Processing · Electrical Eng. & Systems 2024-07-29 Jiacheng Wang , Hao Li , Dewei Hu , Yuankai K. Tao , Ipek Oguz

In recent years, the fusion of camera data with LiDAR measurements has emerged as a powerful approach to enhance spatial understanding. This study introduces a novel, hardware-agnostic methodology that generates colourised point clouds from…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Pasindu Ranasinghe , Dibyayan Patra , Bikram Banerjee , Simit Raval

Multi-beam LiDAR sensors, as used on autonomous vehicles and mobile robots, acquire sequences of 3D range scans ("frames"). Each frame covers the scene sparsely, due to limited angular scanning resolution and occlusion. The sparsity…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Shengyu Huang , Zan Gojcic , Jiahui Huang , Andreas Wieser , Konrad Schindler

Large-scale datasets are usually required to train deep neural networks, but it increases the computational complexity hindering the practical applications. Recently, dataset distillation for images and texts has been attracting a lot of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Jae-Young Yim , Dongwook Kim , Jae-Young Sim

The millimeter-wave radar sensor maintains stable performance under adverse environmental conditions, making it a promising solution for all-weather perception tasks, such as outdoor mobile robotics. However, the radar point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Kai Luan , Chenghao Shi , Neng Wang , Yuwei Cheng , Huimin Lu , Xieyuanli Chen

Recent research leveraging large-scale pretrained diffusion models has demonstrated the potential of using diffusion features to establish semantic correspondences in images. Inspired by advancements in diffusion-based techniques, we…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Chengyu Zheng , Jin Huang , Honghua Chen , Mingqiang Wei

Point cloud registration is a crucial technique in 3D computer vision with a wide range of applications. However, this task can be challenging, particularly in large fields of view with dynamic objects, environmental noise, or other…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Rui She , Sijie Wang , Qiyu Kang , Kai Zhao , Yang Song , Wee Peng Tay , Tianyu Geng , Xingchao Jian

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Jacek Komorowski

Accurate perception and scene understanding in complex urban environments is a critical challenge for ensuring safe and efficient autonomous navigation. In this paper, we present Co-Win, a novel bird's eye view (BEV) perception framework…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Haichuan Li , Tomi Westerlund

Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization without initial guess. In this work, we cast registration as conditional generation:…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yue Pan , Tao Sun , Liyuan Zhu , Lucas Nunes , Iro Armeni , Jens Behley , Cyrill Stachniss

Diffusion probabilistic models are traditionally used to generate colors at fixed pixel positions in 2D images. Building on this, we extend diffusion models to point cloud semantic segmentation, where point positions also remain fixed, and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yong He , Hongshan Yu , Mingtao Feng , Tongjia Chen , Zechuan Li , Anwaar Ulhaq , Saeed Anwar , Ajmal Saeed Mian

Registration of 3D point clouds is a fundamental task in several applications of robotics and computer vision. While registration methods such as iterative closest point and variants are very popular, they are only locally optimal. There…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Rangaprasad Arun Srivatsan , Tejas Zodage , Howie Choset

Multi-object tracking (MOT) is a fundamental task in computer vision with critical applications in autonomous driving and robotics. Multimodal MOT that integrates visible light and thermal infrared information is particularly essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Weiran Li , Yeqiang Liu , Yijie Wei , Mina Han , Qiannan Guo , Zhenbo Li