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3D Gaussian splatting (3D-GS) has recently revolutionized novel view synthesis in the simultaneous localization and mapping (SLAM) problem. However, most existing algorithms fail to fully capture the underlying structure, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Tianci Wen , Zhiang Liu , Yongchun Fang

Recent works on 3D reconstruction from posed images have demonstrated that direct inference of scene-level 3D geometry without test-time optimization is feasible using deep neural networks, showing remarkable promise and high efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Noah Stier , Anurag Ranjan , Alex Colburn , Yajie Yan , Liang Yang , Fangchang Ma , Baptiste Angles

With the development of numerous 3D sensing technologies, object registration on cross-source point cloud has aroused researchers' interests. When the point clouds are captured from different kinds of sensors, there are large and different…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Xiaoshui Huang , Jian Zhang , Qiang Wu , Lixin Fan , Chun Yuan

With the advent of powerful, light-weight 3D LiDARs, they have become the hearth of many navigation and SLAM algorithms on various autonomous systems. Pointcloud registration methods working with unstructured pointclouds such as ICP are…

Robotics · Computer Science 2021-04-13 Dominic Streiff , Lukas Bernreiter , Florian Tschopp , Marius Fehr , Roland Siegwart

In practical application, the performance of recognition network usually decreases when being applied on super-resolution images. In this paper, we propose a feature-based recognition network combined with GAN (FGAN). Our network improves…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Jing Hu , Meiqi Zhang , Rui Zhang

In this paper, we explore the capabilities of multimodal inputs to 3D Gaussian Splatting (3DGS) based Radiance Field Rendering. We present LiDAR-3DGS, a novel method of reinforcing 3DGS inputs with LiDAR generated point clouds to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Hansol Lim , Hanbeom Chang , Jongseong Brad Choi , Chul Min Yeum

Recently neural radiance fields (NeRF) have been widely exploited as 3D representations for dense simultaneous localization and mapping (SLAM). Despite their notable successes in surface modeling and novel view synthesis, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Jiarui Hu , Xianhao Chen , Boyin Feng , Guanglin Li , Liangjing Yang , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

Online 3D scene perception in real time is essential for robotics, AR/VR, and autonomous systems, particularly in edge computing scenarios where computational resources are limited and privacy is crucial. Recent state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Qin Liu , Lavisha Aggarwal , Saptarashmi Bandyopadhyay , Vikas Bahirwani , Marc Niethammer , Ehsan Adeli , Andrea Colaco

Simultaneous Localization and Mapping (SLAM) plays an important role in robot autonomy. Reliability and efficiency are the two most valued features for applying SLAM in robot applications. In this paper, we consider achieving a reliable…

Robotics · Computer Science 2023-10-09 Shiquan Yi , Yang Lyu , Lin Hua , Quan Pan , Chunhui Zhao

In recent years, the paradigm of neural implicit representations has gained substantial attention in the field of Simultaneous Localization and Mapping (SLAM). However, a notable gap exists in the existing approaches when it comes to scene…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Hongjia Zhai , Gan Huang , Qirui Hu , Guanglin Li , Hujun Bao , Guofeng Zhang

Labelling data is expensive and time consuming especially for domains such as medical imaging that contain volumetric imaging data and require expert knowledge. Exploiting a larger pool of labeled data available across multiple centers,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Daiqing Li , Amlan Kar , Nishant Ravikumar , Alejandro F Frangi , Sanja Fidler

Autonomous systems and smart-industry deployments increasingly split computation across near-sensor, edge, and cloud resources, where tight energy, latency, and reliability budgets demand run-time adaptivity. In practice, deciding what to…

Machine Learning · Computer Science 2026-05-25 Sanggeon Yun , Ryozo Masukawa , Minhyoung Na , Hyunwoo Oh , Yoshiki Yamaguchi , Wenjun Huang , SungHeon Jeong , Mohsen Imani

We introduce a novel superpoint-based transformer architecture for efficient semantic segmentation of large-scale 3D scenes. Our method incorporates a fast algorithm to partition point clouds into a hierarchical superpoint structure, which…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Damien Robert , Hugo Raguet , Loic Landrieu

This paper introduces LiGSM, a novel LiDAR-enhanced 3D Gaussian Splatting (3DGS) mapping framework that improves the accuracy and robustness of 3D scene mapping by integrating LiDAR data. LiGSM constructs joint loss from images and LiDAR…

Robotics · Computer Science 2025-03-10 Jian Shen , Huai Yu , Ji Wu , Wen Yang , Gui-Song Xia

Automatic Traffic Sign Recognition is paramount in modern transportation systems, motivating several research endeavors to focus on performance improvement by utilizing large-scale datasets. As the appearance of traffic signs varies across…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Md. Atiqur Rahman , Nahian Ibn Asad , Md. Mushfiqul Haque Omi , Md. Bakhtiar Hasan , Sabbir Ahmed , Md. Hasanul Kabir

We propose a novel, vision-only object-level SLAM framework for automotive applications representing 3D shapes by implicit signed distance functions. Our key innovation consists of augmenting the standard neural representation by a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Li Cui , Yang Ding , Richard Hartley , Zirui Xie , Laurent Kneip , Zhenghua Yu

LiDAR super-resolution addresses the challenge of achieving high-quality 3D perception from cost-effective, low-resolution sensors. While recent transformer-based approaches like TULIP show promise, they remain limited to spatial-domain…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 June Moh Goo , Zichao Zeng , Jan Boehm

In this paper, we propose PointSeg, a real-time end-to-end semantic segmentation method for road-objects based on spherical images. We take the spherical image, which is transformed from the 3D LiDAR point clouds, as input of the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Yuan Wang , Tianyue Shi , Peng Yun , Lei Tai , Ming Liu

Real-time 3D reconstruction is crucial for robotics and augmented reality, yet current simultaneous localization and mapping(SLAM) approaches often struggle to maintain structural consistency and robust pose estimation in the presence of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xu Wang , Boyao Han , Xiaojun Chen , Ying Liu , Ruihui Li

As a critical application of computational intelligence in remote sensing, deep learning-based synthetic aperture radar (SAR) image target recognition facilitates intelligent perception but typically relies on centralized training, where…

Cryptography and Security · Computer Science 2026-01-06 Yuchao Hou , Zixuan Zhang , Jie Wang , Wenke Huang , Lianhui Liang , Di Wu , Zhiquan Liu , Youliang Tian , Jianming Zhu , Jisheng Dang , Junhao Dong , Zhongliang Guo