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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

This paper presents a stylized novel view synthesis method. Applying state-of-the-art stylization methods to novel views frame by frame often causes jittering artifacts due to the lack of cross-view consistency. Therefore, this paper…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Thu Nguyen-Phuoc , Feng Liu , Lei Xiao

Accurate camera localization is crucial for robotics and Extended Reality (XR), enabling reliable navigation and alignment of virtual and real content. Existing visual methods often suffer from drift, scale ambiguity, and depend on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Joni Vanherck , Steven Moonen , Brent Zoomers , Kobe Werner , Jeroen Put , Lode Jorissen , Nick Michiels

This paper presents a novel approach to build consistent 3D maps for multi robot cooperation in USAR environments. The sensor streams from unmanned aerial vehicles (UAVs) and ground robots (UGV) are fused in one consistent map. The UAV…

Robotics · Computer Science 2019-04-10 Hartmut Surmann , Nils Berninger , Rainer Worst

Accurate registration of 2D imagery with point clouds is a key technology for image-LiDAR point cloud fusion, camera to laser scanner calibration and camera localization. Despite continuous improvements, automatic registration of 2D and 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Huai Yu , Weikun Zhen , Wen Yang , Sebastian Scherer

We present a method that achieves state-of-the-art results for synthesizing novel views of complex scenes by optimizing an underlying continuous volumetric scene function using a sparse set of input views. Our algorithm represents a scene…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Ben Mildenhall , Pratul P. Srinivasan , Matthew Tancik , Jonathan T. Barron , Ravi Ramamoorthi , Ren Ng

Although various visual localization approaches exist, such as scene coordinate regression and camera pose regression, these methods often struggle with optimization complexity or limited accuracy. To address these challenges, we explore…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Gennady Sidorov , Malik Mohrat , Denis Gridusov , Ruslan Rakhimov , Sergey Kolyubin

Simultaneous Localization and Mapping (SLAM) with dense representation plays a key role in robotics, Virtual Reality (VR), and Augmented Reality (AR) applications. Recent advancements in dense representation SLAM have highlighted the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Seongbo Ha , Jiung Yeon , Hyeonwoo Yu

We present an approach to generate a 360-degree view of a person with a consistent, high-resolution appearance from a single input image. NeRF and its variants typically require videos or images from different viewpoints. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Badour AlBahar , Shunsuke Saito , Hung-Yu Tseng , Changil Kim , Johannes Kopf , Jia-Bin Huang

Recently neural scene representations have provided very impressive results for representing 3D scenes visually, however, their study and progress have mainly been limited to visualization of virtual models in computer graphics or scene…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Yassine Ahmine , Arnab Dey , Andrew I. Comport

We devise a graph attention network-based approach for learning a scene triangle mesh representation in order to estimate an image camera position in a dynamic environment. Previous approaches built a scene-dependent model that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Mohamed Amine Ouali , Mohamed Bouguessa , Riadh Ksantini

This paper proposes a novel concept to directly match feature descriptors extracted from 2D images with feature descriptors extracted from 3D point clouds. We use this concept to directly localize images in a 3D point cloud. We generate a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Uzair Nadeem , Mohammed Bennamoun , Roberto Togneri , Ferdous Sohel

A major focus of current research on place recognition is visual localization for autonomous driving. In this scenario, as cameras will be operating continuously, it is realistic to expect videos as an input to visual localization…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Anh-Dzung Doan , Yasir Latif , Tat-Jun Chin , Yu Liu , Shin-Fang Ch'ng , Thanh-Toan Do , Ian Reid

In modern dense 3D reconstruction, feed-forward systems (e.g., VGGT, pi3) focus on end-to-end matching and geometry prediction but do not explicitly output the novel view synthesis (NVS). Neural rendering-based approaches offer…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Pengcheng Chen , Yue Hu , Wenhao Li , Nicole M Gunderson , Andrew Feng , Zhenglong Sun , Peter Beerel , Eric J Seibel

With their high-fidelity scene representation capability, the attention of SLAM field is deeply attracted by the Neural Radiation Field (NeRF) and 3D Gaussian Splatting (3DGS). Recently, there has been a surge in NeRF-based SLAM, while…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Xinli Guo , Weidong Zhang , Ruonan Liu , Peng Han , Hongtian Chen

Combining multiple complementary techniques together has long been regarded as a way to improve performance. In visual localization, multi-sensor fusion, multi-process fusion of a single sensing modality, and even combinations of different…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Stephen Hausler , Michael Milford

Leveraging multi-modal fusion, especially between camera and LiDAR, has become essential for building accurate and robust 3D object detection systems for autonomous vehicles. Until recently, point decorating approaches, in which point…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Philip Jacobson , Yiyang Zhou , Wei Zhan , Masayoshi Tomizuka , Ming C. Wu

Visual localization involves estimating a query image's 6-DoF (degrees of freedom) camera pose, which is a fundamental component in various computer vision and robotic tasks. This paper presents LoGS, a vision-based localization pipeline…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Yuzhou Cheng , Jianhao Jiao , Yue Wang , Dimitrios Kanoulas

Volumetric neural rendering methods like NeRF generate high-quality view synthesis results but are optimized per-scene leading to prohibitive reconstruction time. On the other hand, deep multi-view stereo methods can quickly reconstruct…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Qiangeng Xu , Zexiang Xu , Julien Philip , Sai Bi , Zhixin Shu , Kalyan Sunkavalli , Ulrich Neumann

This paper presents a novel system designed for 3D mapping and visual relocalization using 3D Gaussian Splatting. Our proposed method uses LiDAR and camera data to create accurate and visually plausible representations of the environment.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Peng Jiang , Gaurav Pandey , Srikanth Saripalli