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Related papers: 3D Question Answering for City Scene Understanding

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This paper introduces the schemes of Team LingJing's experiments in NLPCC-2022-Shared-Task-4 Multi-modal Dialogue Understanding and Generation (MDUG). The MDUG task can be divided into two phases: multi-modal context understanding and…

Computation and Language · Computer Science 2022-07-06 Bin Li , Yixuan Weng , Ziyu Ma , Bin Sun , Shutao Li

Semantics has enabled 3D scene understanding and affordance-driven object interaction. However, robots operating in real-world environments face a critical limitation: they cannot anticipate how objects move. Long-horizon mobile…

Spatio-temporal knowledge graphs (STKGs) enhance traditional KGs by integrating temporal and spatial annotations, enabling precise reasoning over questions with spatio-temporal dependencies. Despite their potential, research on…

Computation and Language · Computer Science 2025-12-17 Xinbang Dai , Huiying Li , Nan Hu , Yongrui Chen , Rihui Jin , Huikang Hu , Guilin Qi

Scene understanding has been of high interest in computer vision. It encompasses not only identifying objects in a scene, but also their relationships within the given context. With this goal, a recent line of works tackles 3D semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Johanna Wald , Helisa Dhamo , Nassir Navab , Federico Tombari

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

Recently, 3D vision-and-language tasks have attracted increasing research interest. Compared to other vision-and-language tasks, the 3D visual question answering (VQA) task is less exploited and is more susceptible to language priors and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Lichen Zhao , Daigang Cai , Jing Zhang , Lu Sheng , Dong Xu , Rui Zheng , Yinjie Zhao , Lipeng Wang , Xibo Fan

Seamless Human-Robot Interaction is the ultimate goal of developing service robotic systems. For this, the robotic agents have to understand their surroundings to better complete a given task. Semantic scene understanding allows a robotic…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Muraleekrishna Gopinathan , Giang Truong , Jumana Abu-Khalaf

Being able to carry out complicated vision language reasoning tasks in 3D space represents a significant milestone in developing household robots and human-centered embodied AI. In this work, we demonstrate that a critical and distinct…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Yunze Man , Liang-Yan Gui , Yu-Xiong Wang

Humans are able to accurately reason in 3D by gathering multi-view observations of the surrounding world. Inspired by this insight, we introduce a new large-scale benchmark for 3D multi-view visual question answering (3DMV-VQA). This…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yining Hong , Chunru Lin , Yilun Du , Zhenfang Chen , Joshua B. Tenenbaum , Chuang Gan

Existing efforts in text-based video question answering (TextVideoQA) are criticized for their opaque decisionmaking and heavy reliance on scene-text recognition. In this paper, we propose to study Grounded TextVideoQA by forcing models to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Sheng Zhou , Junbin Xiao , Xun Yang , Peipei Song , Dan Guo , Angela Yao , Meng Wang , Tat-Seng Chua

Despite encouraging progress in 3D scene understanding, it remains challenging to develop an effective Large Multi-modal Model (LMM) that is capable of understanding and reasoning in complex 3D environments. Most previous methods typically…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Hanxun Yu , Wentong Li , Song Wang , Junbo Chen , Jianke Zhu

Language-guided 3D scene understanding is important for advancing applications in robotics, AR/VR, and human-computer interaction, enabling models to comprehend and interact with 3D environments through natural language. While 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Anh Thai , Songyou Peng , Kyle Genova , Leonidas Guibas , Thomas Funkhouser

The rapid advancement of Multimodal Large Language Models (MLLMs) has significantly impacted various multimodal tasks. However, these models face challenges in tasks that require spatial understanding within 3D environments. Efforts to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Duo Zheng , Shijia Huang , Liwei Wang

3D scene understanding has gained significant attention due to its wide range of applications. However, existing methods for 3D scene understanding are limited to specific downstream tasks, which hinders their practicality in real-world…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zehan Wang , Haifeng Huang , Yang Zhao , Ziang Zhang , Zhou Zhao

Intelligent Traffic Monitoring (ITMo) technologies hold the potential for improving road safety/security and for enabling smart city infrastructure. Understanding traffic situations requires a complex fusion of perceptual information with…

Computation and Language · Computer Science 2023-07-18 Jiarui Zhang , Filip Ilievski , Kaixin Ma , Aravinda Kollaa , Jonathan Francis , Alessandro Oltramari

Understanding dynamic 4D scenes from an egocentric perspective-modeling changes in 3D spatial structure over time-is crucial for human-machine interaction, autonomous navigation, and embodied intelligence. While existing egocentric datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Junsheng Huang , Shengyu Hao , Bocheng Hu , Hongwei Wang , Gaoang Wang

Learning descriptive 3D features is crucial for understanding 3D scenes with diverse objects and complex structures. However, it is usually unknown whether important geometric attributes and scene context obtain enough emphasis in an…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Junbo Zhang , Guofan Fan , Guanghan Wang , Zhengyuan Su , Kaisheng Ma , Li Yi

Efficient data utilization is crucial for advancing 3D scene understanding in autonomous driving, where reliance on heavily human-annotated LiDAR point clouds challenges fully supervised methods. Addressing this, our study extends into…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Lingdong Kong , Xiang Xu , Jiawei Ren , Wenwei Zhang , Liang Pan , Kai Chen , Wei Tsang Ooi , Ziwei Liu

Open-world interactive object search in household environments requires understanding semantic relationships between objects and their surrounding context to guide exploration efficiently. Prior methods either rely on vision-language…

Robotics · Computer Science 2026-05-28 Imen Mahdi , Matteo Cassinelli , Fabien Despinoy , Tim Welschehold , Abhinav Valada

Multimodal large language models (MLLMs), such as GPT-4o, Gemini, LLaVA, and Flamingo, have made significant progress in integrating visual and textual modalities, excelling in tasks like visual question answering (VQA), image captioning,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Junxiao Xue , Quan Deng , Fei Yu , Yanhao Wang , Jun Wang , Yuehua Li