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This paper addresses the high demand in advanced intelligent robot navigation for a more holistic understanding of spatial environments, by introducing a novel system that harnesses the capabilities of Large Language Models (LLMs) to…

Robotics · Computer Science 2025-03-20 Yao Cheng , Zhe Han , Fengyang Jiang , Huaizhen Wang , Fengyu Zhou , Qingshan Yin , Lei Wei

We introduce the Deformable Gaussian Splats Large Reconstruction Model (DGS-LRM), the first feed-forward method predicting deformable 3D Gaussian splats from a monocular posed video of any dynamic scene. Feed-forward scene reconstruction…

3D reconstruction has been widely used in autonomous navigation fields of mobile robotics. However, the former research can only provide the basic geometry structure without the capability of open-world scene understanding, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Haochen Jiang , Yueming Xu , Yihan Zeng , Hang Xu , Wei Zhang , Jianfeng Feng , Li Zhang

Efficient target localization and autonomous navigation in complex environments are fundamental to real-world embodied applications. While recent advances in multimodal foundation models have enabled zero-shot object goal navigation,…

Robotics · Computer Science 2026-04-02 Ming-Ming Yu , Yi Chen , Börje F. Karlsson , Wenjun Wu

Scene flow is the dense 3D reconstruction of motion and geometry of a scene. Most state-of-the-art methods use a pair of stereo images as input for full scene reconstruction. These methods depend a lot on the quality of the RGB images and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Rishav , Ramy Battrawy , René Schuster , Oliver Wasenmüller , Didier Stricker

A 3D scene graph represents a compact scene model by capturing both the objects present and the semantic relationships between them, making it a promising structure for robotic applications. To effectively interact with users, an embodied…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Tatiana Zemskova , Dmitry Yudin

In this paper we present mono-stixels, a compact environment representation specially designed for dynamic street scenes. Mono-stixels are a novel approach to estimate stixels from a monocular camera sequence instead of the traditionally…

Computer Vision and Pattern Recognition · Computer Science 2019-08-08 Fabian Brickwedde , Steffen Abraham , Rudolf Mester

In this paper, a method for dense semantic 3D scene reconstruction from an RGB-D sequence is proposed to solve high-level scene understanding tasks. First, each RGB-D pair is consistently segmented into 2D semantic maps based on a camera…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Yingcai Wan , Yanyan Li , Yingxuan You , Cheng Guo , Lijin Fang , Federico Tombari

Recent advances in 3D Gaussian Splatting (3DGS) deliver striking photorealism, and extending it to large scenes opens new opportunities for semantic reasoning and prediction in applications such as autonomous driving. Today's…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Shengkai Zhang , Yuhe Liu , Jianhua He , Xuedou Xiao , Mozi Chen , Kezhong Liu

Recent advances in 3D Gaussian Splatting (3DGS) have enabled Simultaneous Localization and Mapping (SLAM) systems to build photorealistic maps. However, these maps lack the open-vocabulary semantic understanding required for advanced…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sibaek Lee , Seongbo Ha , Kyeongsu Kang , Joonyeol Choi , Seungjun Tak , Hyeonwoo Yu

Teleoperation via natural-language reduces operator workload and enhances safety in high-risk or remote settings. However, in dynamic remote scenes, transmission latency during bidirectional communication creates gaps between remote…

Robotics · Computer Science 2025-10-28 Yi Wang , Zeyu Xue , Mujie Liu , Tongqin Zhang , Yan Hu , Zhou Zhao , Chenguang Yang , Zhenyu Lu

Open-vocabulary 3D Scene Graph (3DSG) can enhance various downstream tasks in robotics by leveraging structured semantic representations, yet current 3DSG construction methods suffer from semantic inconsistencies caused by noisy cross-image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yue Chang , Rufeng Chen , Zhaofan Zhang , Yi Chen , Yifan Tian , Sihong Xie

Globally consistent dense maps are a key requirement for long-term robot navigation in complex environments. While previous works have addressed the challenges of dense mapping and global consistency, most require more computational…

Semantic understanding of 3D scenes is essential for robots to operate effectively and safely in complex environments. Existing methods for semantic scene reconstruction and semantic-aware novel view synthesis often rely on dense multi-view…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Sheng Ye , Zhen-Hui Dong , Ruoyu Fan , Tian Lv , Yong-Jin Liu

Tracking objects that move within dynamic environments is a core challenge in robotics. Recent research has advanced this topic significantly; however, many existing approaches remain inefficient due to their reliance on heavy foundation…

Scene graph generation (SGG) aims to parse a visual scene into an intermediate graph representation for downstream reasoning tasks. Despite recent advancements, existing methods struggle to generate scene graphs with novel visual relation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Rongjie Li , Songyang Zhang , Dahua Lin , Kai Chen , Xuming He

The widespread adoption of autonomous systems such as drones and assistant robots has created a need for real-time high-quality semantic scene segmentation. In this paper, we propose an efficient yet robust technique for on-the-fly dense…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Quang-Hieu Pham , Binh-Son Hua , Duc Thanh Nguyen , Sai-Kit Yeung

Open-vocabulary panoptic reconstruction is crucial for advanced robotics and simulation. However, existing 3D reconstruction methods, such as NeRF or Gaussian Splatting variants, often struggle to achieve the real-time inference frequency…

Robotics · Computer Science 2026-04-14 Xuan Yu , Yuxuan Xie , Shichao Zhai , Shuhao Ye , Rong Xiong , Yue Wang

We present VGGT-SLAM, a dense RGB SLAM system constructed by incrementally and globally aligning submaps created from the feed-forward scene reconstruction approach VGGT using only uncalibrated monocular cameras. While related works align…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Dominic Maggio , Hyungtae Lim , Luca Carlone

Depth estimation plays a pivotal role in advancing human-robot interactions, especially in indoor environments where accurate 3D scene reconstruction is essential for tasks like navigation and object handling. Monocular depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Siddiqui Muhammad Yasir , Hyunsik Ahn