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相关论文: Estimation of Absolute Scale in Monocular SLAM Usi…

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We present a real-time object-based SLAM system that leverages the largest object database to date. Our approach comprises two main components: 1) a monocular SLAM algorithm that exploits object rigidity constraints to improve the map and…

机器人学 · 计算机科学 2015-04-10 Dorian Gálvez-López , Marta Salas , Juan D. Tardós , J. M. M. Montiel

Monocular depth estimation (MDE) is a critical task to guide autonomous medical robots. However, obtaining absolute (metric) depth from an endoscopy camera in surgical scenes is difficult, which limits supervised learning of depth on real…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Hao Li , Daiwei Lu , Jesse d'Almeida , Dilara Isik , Ehsan Khodapanah Aghdam , Nick DiSanto , Ayberk Acar , Susheela Sharma , Jie Ying Wu , Robert J. Webster , Ipek Oguz

Depth estimation from monocular images is a challenging problem in computer vision. In this paper, we tackle this problem using a novel network architecture using multi scale feature fusion. Our network uses two different blocks, first…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Abhinav Sagar

Monocular SLAM has received a lot of attention due to its simple RGB inputs and the lifting of complex sensor constraints. However, existing monocular SLAM systems are designed for bounded scenes, restricting the applicability of SLAM…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Heng Zhou , Zhetao Guo , Shuhong Liu , Lechen Zhang , Qihao Wang , Yuxiang Ren , Mingrui Li

Monocular SLAM algorithms perform robustly when observing rigid scenes, however, they fail when the observed scene deforms, for example, in medical endoscopy applications. We present DefSLAM, the first monocular SLAM capable of operating in…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Jose Lamarca , Shaifali Parashar , Adrien Bartoli , J. M. M. Montiel

Estimating depth from RGB images can facilitate many computer vision tasks, such as indoor localization, height estimation, and simultaneous localization and mapping (SLAM). Recently, monocular depth estimation has obtained great progress…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Qing Li , Jiasong Zhu , Jun Liu , Rui Cao , Qingquan Li , Sen Jia , Guoping Qiu

Obtaining dense 3D reconstrution with low computational cost is one of the important goals in the field of SLAM. In this paper we propose a dense 3D reconstruction framework from monocular multispectral video sequences using jointly…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Yuanhong Xu , Pei Dong , Junyu Dong , Lin Qi

Supervised learning based methods for monocular depth estimation usually require large amounts of extensively annotated training data. In the case of aerial imagery, this ground truth is particularly difficult to acquire. Therefore, in this…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Max Hermann , Boitumelo Ruf , Martin Weinmann , Stefan Hinz

In this paper a low-drift monocular SLAM method is proposed targeting indoor scenarios, where monocular SLAM often fails due to the lack of textured surfaces. Our approach decouples rotation and translation estimation of the tracking…

机器人学 · 计算机科学 2020-08-06 Yanyan Li , Nikolas Brasch , Yida Wang , Nassir Navab , Federico Tombari

We present a new paradigm for real-time object-oriented SLAM with a monocular camera. Contrary to previous approaches, that rely on object-level models, we construct category-level models from CAD collections which are now widely available.…

机器人学 · 计算机科学 2018-02-27 Parv Parkhiya , Rishabh Khawad , J. Krishna Murthy , Brojeshwar Bhowmick , K. Madhava Krishna

Many monocular visual SLAM algorithms are derived from incremental structure-from-motion (SfM) methods. This work proposes a novel monocular SLAM method which integrates recent advances made in global SfM. In particular, we present two main…

计算机视觉与模式识别 · 计算机科学 2017-10-20 Chengzhou Tang , Oliver Wang , Ping Tan

Classical monocular vSLAM/VO methods suffer from the scale ambiguity problem. Hybrid approaches solve this problem by adding deep learning methods, for example by using depth maps which are predicted by a CNN. We suggest that it is better…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Robin Kreuzig , Matthias Ochs , Rudolf Mester

Scene depth estimation from stereo and monocular imagery is critical for extracting 3D information for downstream tasks such as scene understanding. Recently, learning-based methods for depth estimation have received much attention due to…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Zhaoshuo Li , Nathan Drenkow , Hao Ding , Andy S. Ding , Alexander Lu , Francis X. Creighton , Russell H. Taylor , Mathias Unberath

In this paper, we present a comprehensive investigation of the challenges of Monocular Visual Simultaneous Localization and Mapping (vSLAM) methods for underwater robots. While significant progress has been made in state estimation methods…

机器人学 · 计算机科学 2025-07-29 Michele Grimaldi , David Nakath , Mengkun She , Kevin Köser

We present a novel method to reconstruct 3D scenes from images by leveraging deep dense monocular SLAM and fast uncertainty propagation. The proposed approach is able to 3D reconstruct scenes densely, accurately, and in real-time while…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Antoni Rosinol , John J. Leonard , Luca Carlone

Learning-based visual odometry and SLAM methods demonstrate a steady improvement over past years. However, collecting ground truth poses to train these methods is difficult and expensive. This could be resolved by training in an…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Igor Slinko , Anna Vorontsova , Dmitry Zhukov , Olga Barinova , Anton Konushin

This paper presents a visual SLAM system that uses both points and lines for robust camera localization, and simultaneously performs a piece-wise planar reconstruction (PPR) of the environment to provide a structural map in real-time. One…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Fangwen Shu , Jiaxuan Wang , Alain Pagani , Didier Stricker

Recent advances in structure-from-motion techniques are enabling many scientific fields to benefit from the routine creation of detailed 3D models. However, for a large number of applications, only a single camera is available, due to cost…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Klemen Istenic , Nuno Gracias , Aurelien Arnaubec , Javier Escartin , Rafael Garcia

Monocular SLAM refers to using a single camera to estimate robot ego motion while building a map of the environment. While Monocular SLAM is a well studied problem, automating Monocular SLAM by integrating it with trajectory planning…

Monocular SLAM refers to using a single camera to estimate robot ego motion while building a map of the environment. While Monocular SLAM is a well studied problem, automating Monocular SLAM by integrating it with trajectory planning…