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Self-supervised monocular depth prediction provides a cost-effective solution to obtain the 3D location of each pixel. However, the existing approaches usually lead to unsatisfactory accuracy, which is critical for autonomous robots. In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Ziyue Feng , Longlong Jing , Peng Yin , Yingli Tian , Bing Li

Medical endoscopy remains a challenging application for simultaneous localization and mapping (SLAM) due to the sparsity of image features and size constraints that prevent direct depth-sensing. We present a SLAM approach that incorporates…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Richard J. Chen , Taylor L. Bobrow , Thomas Athey , Faisal Mahmood , Nicholas J. Durr

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

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

Existing simultaneous localization and mapping (SLAM) algorithms are not robust in challenging low-texture environments because there are only few salient features. The resulting sparse or semi-dense map also conveys little information for…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Shichao Yang , Yu Song , Michael Kaess , Sebastian Scherer

We propose DSP-SLAM, an object-oriented SLAM system that builds a rich and accurate joint map of dense 3D models for foreground objects, and sparse landmark points to represent the background. DSP-SLAM takes as input the 3D point cloud…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Jingwen Wang , Martin Rünz , Lourdes Agapito

Monocular depth reconstruction of complex and dynamic scenes is a highly challenging problem. While for rigid scenes learning-based methods have been offering promising results even in unsupervised cases, there exists little to no…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Ayça Takmaz , Danda Pani Paudel , Thomas Probst , Ajad Chhatkuli , Martin R. Oswald , Luc Van Gool

We tackle the problem of monocular 3D reconstruction of articulated objects like humans and animals. We contribute DensePose 3D, a method that can learn such reconstructions in a weakly supervised fashion from 2D image annotations only.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Roman Shapovalov , David Novotny , Benjamin Graham , Patrick Labatut , Andrea Vedaldi

This paper presents a probabilistic approach for online dense reconstruction using a single monocular camera moving through the environment. Compared to spatial stereo, depth estimation from motion stereo is challenging due to insufficient…

Robotics · Computer Science 2019-03-27 Yonggen Ling , Kaixuan Wang , Shaojie Shen

In this letter, we present a neural field-based real-time monocular mapping framework for accurate and dense Simultaneous Localization and Mapping (SLAM). Recent neural mapping frameworks show promising results, but rely on RGB-D or pose…

Robotics · Computer Science 2023-12-18 Wei Zhang , Tiecheng Sun , Sen Wang , Qing Cheng , Norbert Haala

Classical monocular Simultaneous Localization And Mapping (SLAM) and the recently emerging convolutional neural networks (CNNs) for monocular depth prediction represent two largely disjoint approaches towards building a 3D map of the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Lokender Tiwari , Pan Ji , Quoc-Huy Tran , Bingbing Zhuang , Saket Anand , Manmohan Chandraker

Recent advances in dense 3D reconstruction have demonstrated strong capability in accurately capturing local geometry. However, extending these methods to incremental global reconstruction, as required in SLAM systems, remains challenging.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Kunyi Li , Michael Niemeyer , Sen Wang , Stefano Gasperini , Nassir Navab , Federico Tombari

Monocular simultaneous localization and mapping (SLAM) algorithms estimate drone poses and build a 3D map using a single camera. Current algorithms include sparse methods that lack detailed geometry, while learning-driven approaches produce…

Robotics · Computer Science 2025-11-25 Jeryes Danial , Yosi Ben Asher , Itzik Klein

We propose Unblur-SLAM, a novel RGB SLAM pipeline for sharp 3D reconstruction from blurred image inputs. In contrast to previous work, our approach is able to handle different types of blur and demonstrates state-of-the-art performance in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Qi Zhang , Denis Rozumny , Francesco Girlanda , Sezer Karaoglu , Marc Pollefeys , Theo Gevers , Martin R. Oswald

We present FoundationSLAM, a learning-based monocular dense SLAM system that addresses the absence of geometric consistency in previous flow-based approaches for accurate and robust tracking and mapping. Our core idea is to bridge flow…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Yuchen Wu , Jiahe Li , Fabio Tosi , Matteo Poggi , Jin Zheng , Xiao Bai

We propose a novel semi-direct approach for monocular simultaneous localization and mapping (SLAM) that combines the complementary strengths of direct and feature-based methods. The proposed pipeline loosely couples direct odometry and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Seong Hun Lee , Javier Civera

We present a self-supervised learning-based pipeline for dense 3D reconstruction from full-length monocular endoscopic videos without a priori modeling of anatomy or shading. Our method only relies on unlabeled monocular endoscopic videos…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Xingtong Liu , Ayushi Sinha , Masaru Ishii , Gregory D. Hager , Russell H. Taylor , Mathias Unberath

We present an uncertainty learning framework for dense neural simultaneous localization and mapping (SLAM). Estimating pixel-wise uncertainties for the depth input of dense SLAM methods allows re-weighing the tracking and mapping losses…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Erik Sandström , Kevin Ta , Luc Van Gool , Martin R. Oswald

Neural implicit representations have recently demonstrated compelling results on dense Simultaneous Localization And Mapping (SLAM) but suffer from the accumulation of errors in camera tracking and distortion in the reconstruction.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Youmin Zhang , Fabio Tosi , Stefano Mattoccia , Matteo Poggi

Initial applications of 3D Gaussian Splatting (3DGS) in Visual Simultaneous Localization and Mapping (VSLAM) demonstrate the generation of high-quality volumetric reconstructions from monocular video streams. However, despite these…

Robotics · Computer Science 2024-10-23 Yan Song Hu , Dayou Mao , Yuhao Chen , John Zelek