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Recently, the multi-modal fusion of RGB, depth, and semantics has shown great potential in dense Simultaneous Localization and Mapping (SLAM). However, a prerequisite for generating consistent semantic maps is the availability of dense,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Linfei Li , Lin Zhang , Zhong Wang , Ying Shen

The existence of variable factors within the environment can cause a decline in camera localization accuracy, as it violates the fundamental assumption of a static environment in Simultaneous Localization and Mapping (SLAM) algorithms.…

Robotics · Computer Science 2023-10-11 Ghanta Sai Krishna , Kundrapu Supriya , Sabur Baidya

Reliable and accurate localization and mapping are key components of most autonomous systems. Besides geometric information about the mapped environment, the semantics plays an important role to enable intelligent navigation behaviors. In…

Simultaneous localization and mapping (SLAM) is a critical technology that enables autonomous robots to be aware of their surrounding environment. With the development of deep learning, SLAM systems can achieve a higher level of perception…

Maps have played an indispensable role in enabling safe and automated driving. Although there have been many advances on different fronts ranging from SLAM to semantics, building an actionable hierarchical semantic representation of urban…

Robotics · Computer Science 2024-09-12 Elias Greve , Martin Büchner , Niclas Vödisch , Wolfram Burgard , Abhinav Valada

Learning to build 3D scene graphs is essential for real-world perception in a structured and rich fashion. However, previous 3D scene graph generation methods utilize a fully supervised learning manner and require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Xu Wang , Yifan Li , Qiudan Zhang , Wenhui Wu , Mark Junjie Li , Jianmin Jinag

We introduce DualMap, an online open-vocabulary mapping system that enables robots to understand and navigate dynamically changing environments through natural language queries. Designed for efficient semantic mapping and adaptability to…

Robotics · Computer Science 2025-12-16 Jiajun Jiang , Yiming Zhu , Zirui Wu , Jie Song

This work addresses the task of open world semantic segmentation using RGBD sensing to discover new semantic classes over time. Although there are many types of objects in the real-word, current semantic segmentation methods make a closed…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Yoshikatsu Nakajima , Byeongkeun Kang , Hideo Saito , Kris Kitani

3D line mapping from multi-view RGB images provides a compact and structured visual representation of scenes. We study the problem from a physical and topological perspective: a 3D line most naturally emerges as the edge of a finite 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Zeran Ke , Bin Tan , Gui-Song Xia , Yujun Shen , Nan Xue

Visual navigation using only a single camera and a topological map has recently become an appealing alternative to methods that require additional sensors and 3D maps. This is typically achieved through an "image-relative" approach to…

Generally capable Spatial AI systems must build persistent scene representations where geometric models are combined with meaningful semantic labels. The many approaches to labelling scenes can be divided into two clear groups: view-based…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Zoe Landgraf , Fabian Falck , Michael Bloesch , Stefan Leutenegger , Andrew Davison

Simultaneous localization and mapping (SLAM) systems with novel view synthesis capabilities are widely used in computer vision, with applications in augmented reality, robotics, and autonomous driving. However, existing approaches are…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Vladimir Yugay , Theo Gevers , Martin R. Oswald

Loop closure, as one of the crucial components in SLAM, plays an essential role in correcting the accumulated errors. Traditional appearance-based methods, such as bag-of-words models, are often limited by local 2D features and the volume…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Zhenzhong Cao

In this work we present a novel approach to joint semantic localisation and scene understanding. Our work is motivated by the need for localisation algorithms which not only predict 6-DoF camera pose but also simultaneously recognise…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Ignas Budvytis , Marvin Teichmann , Tomas Vojir , Roberto Cipolla

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

We propose Graph2Nav, a real-time 3D object-relation graph generation framework, for autonomous navigation in the real world. Our framework fully generates and exploits both 3D objects and a rich set of semantic relationships among objects…

Robotics · Computer Science 2025-04-24 Tixiao Shan , Abhinav Rajvanshi , Niluthpol Mithun , Han-Pang Chiu

In this paper, we propose a RGB-D SLAM system that reconstructs a language-aligned dense feature field while sustaining low-latency tracking and mapping. First, we introduce a Top-K Rendering pipeline, a high-throughput and…

Robotics · Computer Science 2026-02-10 Seongbo Ha , Sibaek Lee , Kyungsu Kang , Joonyeol Choi , Seungjun Tak , Hyeonwoo Yu

This paper presents a reactive planning system that enriches the topological representation of an environment with a tightly integrated semantic representation, achieved by incorporating and exploiting advances in deep perceptual learning…

Efficient data collection methods play a major role in helping us better understand the Earth and its ecosystems. In many applications, the usage of unmanned aerial vehicles (UAVs) for monitoring and remote sensing is rapidly gaining…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Felix Stache , Jonas Westheider , Federico Magistri , Cyrill Stachniss , Marija Popović

Recent advancements in statistical learning and computational abilities have enabled autonomous vehicle technology to develop at a much faster rate. While many of the architectures previously introduced are capable of operating under highly…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 David Paz , Hengyuan Zhang , Qinru Li , Hao Xiang , Henrik Christensen