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相关论文: Direct Sparse Mapping

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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

Recent direct visual odometry and SLAM algorithms have demonstrated impressive levels of precision. However, they require a photometric camera calibration in order to achieve competitive results. Hence, the respective algorithm cannot be…

计算机视觉与模式识别 · 计算机科学 2017-10-06 Paul Bergmann , Rui Wang , Daniel Cremers

Visual odometry is an essential key for a localization module in SLAM systems. However, previous methods require tuning the system to adapt environment changes. In this paper, we propose a learning-based approach for frame-to-frame…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Joosung Lee , Sangwon Hwang , Kyungjae Lee , Woo Jin Kim , Junhyeop Lee , Tae-young Chung , Sangyoun Lee

We present a real-time semantic mapping approach for mobile vision systems with a 2D to 3D object detection pipeline and rapid data association for generated landmarks. Besides the semantic map enrichment the associated detections are…

机器人学 · 计算机科学 2022-03-25 Thorsten Hempel , Ayoub Al-Hamadi

Visual SLAM (Simultaneous Localization and Mapping) methods typically rely on handcrafted visual features or raw RGB values for establishing correspondences between images. These features, while suitable for sparse mapping, often lead to…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Chamara Saroj Weerasekera , Ravi Garg , Yasir Latif , Ian Reid

The bundle adjustment (BA) algorithm is a widely used nonlinear optimization technique in the backend of Simultaneous Localization and Mapping (SLAM) systems. By leveraging the co-view relationships of landmarks from multiple perspectives,…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Tingchen Ma , Yongsheng Ou , Sheng Xu

Learning to predict scene depth and camera motion from RGB inputs only is a challenging task. Most existing learning based methods deal with this task in a supervised manner which require ground-truth data that is expensive to acquire. More…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Yunxiao Shi , Jing Zhu , Yi Fang , Kuochin Lien , Junli Gu

We proposed an end-to-end deep learning-based simultaneous localization and mapping (SLAM) system following conventional visual odometry (VO) pipelines. The proposed method completes the SLAM framework by including tracking, mapping, and…

机器人学 · 计算机科学 2019-05-10 Youngji Kim , Ayoung Kim

The monocular visual-inertial system (VINS), which consists one camera and one low-cost inertial measurement unit (IMU), is a popular approach to achieve accurate 6-DOF state estimation. However, such locally accurate visual-inertial…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Tong Qin , Perliang Li , Shaojie Shen

Real-time depth reconstruction from ultra-high-resolution UAV imagery is essential for time-critical geospatial tasks such as disaster response, yet remains challenging due to wide-baseline parallax, large image sizes, low-texture or…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Selim Ahmet Iz , Francesco Nex , Norman Kerle , Henry Meissner , Ralf Berger

We present a dense-indirect SLAM system using external dense optical flows as input. We extend the recent probabilistic visual odometry model VOLDOR [Min et al. CVPR'20], by incorporating the use of geometric priors to 1) robustly bootstrap…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Zhixiang Min , Enrique Dunn

Estimating camera pose in dynamic environments is a critical challenge, as most visual SLAM and SfM methods assume static scenes. While recent dynamic-aware methods exist, they are often not unified: semantic-based approaches are brittle,…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Jianhao Zheng , Liyuan Zhu , Zihan Zhu , Iro Armeni

DUSt3R-based end-to-end scene reconstruction has recently shown promising results in dense visual SLAM. However, most existing methods only use image pairs to estimate pointmaps, overlooking spatial memory and global consistency.To this…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Guole Shen , Tianchen Deng , Yanbo Wang , Yongtao Chen , Yilin Shen , Jiuming Liu , Jingchuan Wang

This paper presents a semantic planar SLAM system that improves pose estimation and mapping using cues from an instance planar segmentation network. While the mainstream approaches are using RGB-D sensors, employing a monocular camera with…

计算机视觉与模式识别 · 计算机科学 2022-06-23 Fangwen Shu , Yaxu Xie , Jason Rambach , Alain Pagani , Didier Stricker

Considering the scene's dynamics is the most effective solution to obtain an accurate perception of unknown environments for real vSLAM applications. Most existing methods attempt to address the non-rigid scene assumption by combining…

机器人学 · 计算机科学 2023-03-01 Ayman Beghdadi , Malik Mallem , Lotfi Beji

In this paper, we introduce SLAM3R, a novel and effective system for real-time, high-quality, dense 3D reconstruction using RGB videos. SLAM3R provides an end-to-end solution by seamlessly integrating local 3D reconstruction and global…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yuzheng Liu , Siyan Dong , Shuzhe Wang , Yingda Yin , Yanchao Yang , Qingnan Fan , Baoquan Chen

We tackle the problem of bundle adjustment (i.e., simultaneous refinement of camera poses and scene map) for a purely rotating event camera. Starting from first principles, we formulate the problem as a classical non-linear least squares…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Shuang Guo , Guillermo Gallego

Achieving truly practical dynamic 3D reconstruction requires online operation, global pose and map consistency, detailed appearance modeling, and the flexibility to handle both RGB and RGB-D inputs. However, existing SLAM methods typically…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Shi Chen , Erik Sandström , Sandro Lombardi , Siyuan Li , Martin R. Oswald

This work proposes a new, online algorithm for estimating the local scale correction to apply to the output of a monocular SLAM system and obtain an as faithful as possible metric reconstruction of the 3D map and of the camera trajectory.…

机器人学 · 计算机科学 2017-11-09 Edgar Sucar , Jean-Bernard Hayet

Monocular visual odometry (VO) and simultaneous localization and mapping (SLAM) have seen tremendous improvements in accuracy, robustness and efficiency, and have gained increasing popularity over recent years. Nevertheless, not so many…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Nan Yang , Rui Wang , Xiang Gao , Daniel Cremers