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We describe a new method for comparing frame appearance in a frame-to-model 3-D mapping and tracking system using an low dynamic range (LDR) RGB-D camera which is robust to brightness changes caused by auto exposure. It is based on a…

计算机视觉与模式识别 · 计算机科学 2016-04-05 Shuda Li , Ankur Handa , Yang Zhang , Andrew Calway

3D Gaussian Splatting (3DGS) has gained significant attention for its application in dense Simultaneous Localization and Mapping (SLAM), enabling real-time rendering and high-fidelity mapping. However, existing 3DGS-based SLAM methods often…

机器人学 · 计算机科学 2024-09-18 Ziheng Xu , Qingfeng Li , Chen Chen , Xuefeng Liu , Jianwei Niu

Fine-Grained Object Detection (FGOD) is a critical task in high-resolution aerial image analysis. This letter introduces Orthogonal Mapping (OM), a simple yet effective method aimed at addressing the challenge of semantic confusion inherent…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Haoran Zhu , Yifan Zhou , Chang Xu , Ruixiang Zhang , Wen Yang

Aiming at the application environment of indoor mobile robots, this paper proposes a sparse object-level SLAM algorithm based on an RGB-D camera. A quadric representation is used as a landmark to compactly model objects, including their…

机器人学 · 计算机科学 2020-04-14 Ziwei Liao , Wei Wang , Xianyu Qi , Xiaoyu Zhang , Lin Xue , Jianzhen Jiao , Ran Wei

Building large-scale, globally consistent maps is a challenging problem, made more difficult in environments with limited access, sparse features, or when using data collected by novice users. For such scenarios, where state-of-the-art…

人机交互 · 计算机科学 2017-11-27 Samer B. Nashed , Joydeep Biswas

The mobile robot relies on SLAM (Simultaneous Localization and Mapping) to provide autonomous navigation and task execution in complex and unknown environments. However, it is hard to develop a dedicated algorithm for mobile robots due to…

机器人学 · 计算机科学 2023-12-27 Ke Cao , Ruiping Liu , Ze Wang , Kunyu Peng , Jiaming Zhang , Junwei Zheng , Zhifeng Teng , Kailun Yang , Rainer Stiefelhagen

In this paper, we propose a lightweight system, RDS-SLAM, based on ORB-SLAM2, which can accurately estimate poses and build semantic maps at object level for dynamic scenarios in real time using only one commonly used Intel Core i7 CPU. In…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Xingyu Chen , Jianru Xue , Jianwu Fang , Yuxin Pan , Nanning Zheng

In object-based Simultaneous Localization and Mapping (SLAM), 6D object poses offer a compact representation of landmark geometry useful for downstream planning and manipulation tasks. However, measurement ambiguity then arises as objects…

机器人学 · 计算机科学 2021-08-04 Jiahui Fu , Qiangqiang Huang , Kevin Doherty , Yue Wang , John J. Leonard

Sparse approximation is the problem to find the sparsest linear combination for a signal from a redundant dictionary, which is widely applied in signal processing and compressed sensing. In this project, I manage to implement the Orthogonal…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Han Wang

The Simultaneous Localization and Mapping (SLAM) problem addresses the possibility of a robot to localize itself in an unknown environment and simultaneously build a consistent map of this environment. Recently, cameras have been…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hudson M. S. Bruno , Esther L. Colombini

This paper presents GeoFlow-SLAM, a robust and effective Tightly-Coupled RGBD-inertial SLAM for legged robotics undergoing aggressive and high-frequency motions.By integrating geometric consistency, legged odometry constraints, and…

机器人学 · 计算机科学 2025-07-23 Tingyang Xiao , Xiaolin Zhou , Liu Liu , Wei Sui , Wei Feng , Jiaxiong Qiu , Xinjie Wang , Zhizhong Su

In this paper, we introduce \textbf{GS-SLAM} that first utilizes 3D Gaussian representation in the Simultaneous Localization and Mapping (SLAM) system. It facilitates a better balance between efficiency and accuracy. Compared to recent SLAM…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Chi Yan , Delin Qu , Dan Xu , Bin Zhao , Zhigang Wang , Dong Wang , Xuelong Li

In recent years, visual SLAM has achieved great progress and development, but in complex scenes, especially rotating scenes, the error of mapping will increase significantly, and the slam system is easy to lose track. In this article, we…

机器人学 · 计算机科学 2021-10-07 Zhenkun Zhu , Jikai Wang

We propose Co-op, a novel method for accurately and robustly estimating the 6DoF pose of objects unseen during training from a single RGB image. Our method requires only the CAD model of the target object and can precisely estimate its pose…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Sungphill Moon , Hyeontae Son , Dongcheol Hur , Sangwook Kim

To effectively retrieve objects from large corpus with high accuracy is a challenge task. In this paper, we propose a method that propagates visual feature level similarities on a Markov random field (MRF) to obtain a high level…

计算机视觉与模式识别 · 计算机科学 2013-12-30 Peng Lu , Xujun Peng , Xinshan Zhu , Xiaojie Wang

Feature-based object matching is a fundamental problem for many applications in computer vision, such as object recognition, 3D reconstruction, tracking, and motion segmentation. In this work, we consider simultaneously matching object…

计算机视觉与模式识别 · 计算机科学 2015-04-01 Kui Jia , Tsung-Han Chan , Zinan Zeng , Shenghua Gao , Gang Wang , Tianzhu Zhang , Yi Ma

Most of the state-of-the-art indirect visual SLAM methods are based on the sparse point features. However, it is hard to find enough reliable point features for state estimation in the case of low-textured scenes. Line features are abundant…

机器人学 · 计算机科学 2021-02-16 Xin Ma , Xinwu Liang

Radiance fields including NeRFs and 3D Gaussians demonstrate great potential in high-fidelity rendering and scene reconstruction, while they require a substantial number of posed images as inputs. COLMAP is frequently employed for…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Zhirui Gao , Renjiao Yi , Chenyang Zhu , Ke Zhuang , Wei Chen , Kai Xu

Localizing objects and estimating their extent in 3D is an important step towards high-level 3D scene understanding, which has many applications in Augmented Reality and Robotics. We present ODAM, a system for 3D Object Detection,…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Kejie Li , Daniel DeTone , Steven Chen , Minh Vo , Ian Reid , Hamid Rezatofighi , Chris Sweeney , Julian Straub , Richard Newcombe

Recent progress in dense SLAM has primarily targeted monocular setups, often at the expense of robustness and geometric coverage. We present MCGS-SLAM, the first purely RGB-based multi-camera SLAM system built on 3D Gaussian Splatting…

机器人学 · 计算机科学 2026-03-10 Zhihao Cao , Hanyu Wu , Li Wa Tang , Zizhou Luo , Wei Zhang , Marc Pollefeys , Zihan Zhu , Martin R. Oswald