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In orthodontic treatment, particularly within telemedicine contexts, observing patients' dental occlusion from multiple viewpoints facilitates timely clinical decision-making. Recent advances in 3D Gaussian Splatting (3DGS) have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Yiyi Miao , Taoyu Wu , Tong Chen , Sihao Li , Ji Jiang , Youpeng Yang , Angelos Stefanidis , Limin Yu , Jionglong Su

Reconstruction of endoscopic scenes is an important asset for various medical applications, from post-surgery analysis to educational training. Neural rendering has recently shown promising results in endoscopic reconstruction with…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Florian Philipp Stilz , Mert Asim Karaoglu , Felix Tristram , Nassir Navab , Benjamin Busam , Alexander Ladikos

Accurate and robust 3D scene reconstruction from casual, in-the-wild videos can significantly simplify robot deployment to new environments. However, reliable camera pose estimation and scene reconstruction from such unconstrained videos…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Shuo Sun , Torsten Sattler , Malcolm Mielle , Achim J. Lilienthal , Martin Magnusson

Complementing images with inertial measurements has become one of the most popular approaches to achieve highly accurate and robust real-time camera pose tracking. In this paper, we present a keyframe-based approach to visual-inertial…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Anton Kasyanov , Francis Engelmann , Jörg Stückler , Bastian Leibe

We present a real-time tracking SLAM system that unifies efficient camera tracking with photorealistic feature-enriched mapping using 3D Gaussian Splatting (3DGS). Our main contribution is integrating dense feature rasterization into the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Christopher Thirgood , Oscar Mendez , Erin Ling , Jon Storey , Simon Hadfield

In this paper, we present an omnidirectional localization and dense mapping system for a wide-baseline multiview stereo setup with ultra-wide field-of-view (FOV) fisheye cameras, which has a 360 degrees coverage of stereo observations of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Changhee Won , Hochang Seok , Zhaopeng Cui , Marc Pollefeys , Jongwoo Lim

Monocular Simultaneous Localization and Mapping (SLAM) aims to estimate a robot's pose while simultaneously reconstructing an unknown 3D scene using a single camera. While existing monocular SLAM systems generate detailed 3D geometry…

Robotics · Computer Science 2025-11-27 Yuchen Zhou , Haihang Wu

Endovascular surgical tool reconstruction represents an important factor in advancing endovascular tool navigation, which is an important step in endovascular surgery. However, the lack of publicly available datasets significantly restricts…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Tudor Jianu , Baoru Huang , Hoan Nguyen , Binod Bhattarai , Tuong Do , Erman Tjiputra , Quang Tran , Pierre Berthet-Rayne , Ngan Le , Sebastiano Fichera , Anh Nguyen

This paper introduces a fully deep learning approach to monocular SLAM, which can perform simultaneous localization using a neural network for learning visual odometry (L-VO) and dense 3D mapping. Dense 2D flow and a depth image are…

Robotics · Computer Science 2018-07-26 Cheng Zhao , Li Sun , Pulak Purkait , Tom Duckett , Rustam Stolkin

Gaussian splatting has recently gained traction as a compelling map representation for SLAM systems, enabling dense and photo-realistic scene modeling. However, its application to monocular SLAM remains challenging due to the lack of…

Robotics · Computer Science 2026-04-20 Dong-Uk Seo , Jinwoo Jeon , Eungchang Mason Lee , Hyun Myung

It is well known that visual SLAM systems based on dense matching are locally accurate but are also susceptible to long-term drift and map corruption. In contrast, feature matching methods can achieve greater long-term consistency but can…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Xingrui Yang , Yuhang Ming , Zhaopeng Cui , Andrew Calway

Generating accurate 3D reconstructions from endoscopic video is a promising avenue for longitudinal radiation-free analysis of sinus anatomy and surgical outcomes. Several methods for monocular reconstruction have been proposed, yielding…

Traditional monocular Visual Simultaneous Localization and Mapping (vSLAM) systems can be divided into three categories: those that use features, those that rely on the image itself, and hybrid models. In the case of feature-based methods,…

Robotics · Computer Science 2022-10-31 Andreas Georgis , Panagiotis Mermigkas , Petros Maragos

This paper presents a robust monocular visual SLAM system that simultaneously utilizes point, line, and vanishing point features for accurate camera pose estimation and mapping. To address the critical challenge of achieving reliable…

Robotics · Computer Science 2025-03-13 Bingzheng Jiang , Jiayuan Wang , Han Ding , Lijun Zhu

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

We present MonoGS++, a novel fast and accurate Simultaneous Localization and Mapping (SLAM) method that leverages 3D Gaussian representations and operates solely on RGB inputs. While previous 3D Gaussian Splatting (GS)-based methods largely…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Renwu Li , Wenjing Ke , Dong Li , Lu Tian , Emad Barsoum

Monocular visual SLAM has become an attractive practical approach for robot localization and 3D environment mapping, since cameras are small, lightweight, inexpensive, and produce high-rate, high-resolution data streams. Although numerous…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Hasnain Vohra , Maxim Bazik , Matthew Antone , Joseph Mundy , William Stephenson

Depth estimation is a cornerstone of 3D reconstruction and plays a vital role in minimally invasive endoscopic surgeries. However, most current depth estimation networks rely on traditional convolutional neural networks, which are limited…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Bojian Li , Bo Liu , Xinning Yao , Jinghua Yue , Fugen Zhou

In this paper, we present BirdSLAM, a novel simultaneous localization and mapping (SLAM) system for the challenging scenario of autonomous driving platforms equipped with only a monocular camera. BirdSLAM tackles challenges faced by other…

We present a dataset for evaluating the tracking accuracy of monocular visual odometry and SLAM methods. It contains 50 real-world sequences comprising more than 100 minutes of video, recorded across dozens of different environments --…

Computer Vision and Pattern Recognition · Computer Science 2016-10-11 Jakob Engel , Vladyslav Usenko , Daniel Cremers