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Related papers: Open-Vocabulary Functional 3D Scene Graphs for Rea…

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We propose associating language utterances to 3D visual abstractions of the scene they describe. The 3D visual abstractions are encoded as 3-dimensional visual feature maps. We infer these 3D visual scene feature maps from RGB images of the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Mihir Prabhudesai , Hsiao-Yu Fish Tung , Syed Ashar Javed , Maximilian Sieb , Adam W. Harley , Katerina Fragkiadaki

In a real-world setting, visual recognition systems can be brought to make predictions for images belonging to previously unknown class labels. In order to make semantically meaningful predictions for such inputs, we propose a two-step…

Machine Learning · Computer Science 2017-08-29 Vincent P. A. Lonij , Ambrish Rawat , Maria-Irina Nicolae

We present OvSGTR, a novel transformer-based framework for fully open-vocabulary scene graph generation that overcomes the limitations of traditional closed-set models. Conventional methods restrict both object and relationship recognition…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zuyao Chen , Jinlin Wu , Zhen Lei , Chang Wen Chen

Multi-modality of color and depth, i.e., RGB-D, is of great importance in recent research of indoor scene recognition. In this kind of data representation, depth map is able to describe the 3D structure of scenes and geometric relations…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Qiong Liu , Ruofei Xiong , Xingzhen Chen , Muyao Peng , You Yang

This paper introduces a novel method for open-vocabulary 3D scene querying in autonomous driving by combining Language Embedded 3D Gaussians with Large Language Models (LLMs). We propose utilizing LLMs to generate both contextually…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Amirhosein Chahe , Lifeng Zhou

Mobile robots should be aware of their situation, comprising the deep understanding of their surrounding environment along with the estimation of its own state, to successfully make intelligent decisions and execute tasks autonomously in…

Robotics · Computer Science 2022-07-04 Hriday Bavle , Jose Luis Sanchez-Lopez , Muhammad Shaheer , Javier Civera , Holger Voos

3D scene understanding spans reasoning about free space, object grounding, hypothetical object insertions, complex geometric relationships, and integrating all of these with external tools and data sources. Existing 3D understanding methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Sagar Bharadwaj , Ziyong Ma , Anurag Ghosh , Srinivasan Seshan , Anthony Rowe

Recent advancements in 3D Large Language Models (LLMs) have demonstrated promising capabilities for 3D scene understanding. However, previous methods exhibit deficiencies in general referencing and grounding capabilities for intricate scene…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Haifeng Huang , Yilun Chen , Zehan Wang , Rongjie Huang , Runsen Xu , Tai Wang , Luping Liu , Xize Cheng , Yang Zhao , Jiangmiao Pang , Zhou Zhao

Identifying objects in an image and their mutual relationships as a scene graph leads to a deep understanding of image content. Despite the recent advancement in deep learning, the detection and labeling of visual object relationships…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Rajat Koner , Poulami Sinhamahapatra , Volker Tresp

Rich semantic information extraction plays a vital role on next-generation intelligent vehicles. Currently there is great amount of research focusing on fundamental applications such as 6D pose detection, road scene semantic segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Yafu Tian , Alexander Carballo , Ruifeng Li , Kazuya Takeda

As a consequence of an ever-increasing number of service robots, there is a growing demand for highly accurate real-time 3D object recognition. Considering the expansion of robot applications in more complex and dynamic environments,it is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Nils Keunecke , S. Hamidreza Kasaei

Autonomous robots are increasingly playing key roles as support platforms for human operators in high-risk, dangerous applications. To accomplish challenging tasks, an efficient human-robot cooperation and understanding is required. While…

Semantic 3D scene understanding is a problem of critical importance in robotics. While significant advances have been made in simultaneous localization and mapping algorithms, robots are still far from having the common sense knowledge…

Robotics · Computer Science 2022-06-22 William Chen , Siyi Hu , Rajat Talak , Luca Carlone

This paper proposes a novel framework for generating lingual descriptions of indoor scenes. Whereas substantial efforts have been made to tackle this problem, previous approaches focusing primarily on generating a single sentence for each…

Computer Vision and Pattern Recognition · Computer Science 2015-03-03 Dahua Lin , Chen Kong , Sanja Fidler , Raquel Urtasun

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…

3D semantic segmentation provides high-level scene understanding for applications in robotics, autonomous systems, \textit{etc}. Traditional methods adapt exclusively to either task-specific goals (open-vocabulary segmentation) or scene…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Doriand Petit , Steve Bourgeois , Vincent Gay-Bellile , Florian Chabot , Loïc Barthe

Open-vocabulary 3D segmentation enables exploration of 3D spaces using free-form text descriptions. Existing methods for open-vocabulary 3D instance segmentation primarily focus on identifying object-level instances but struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Ayca Takmaz , Alexandros Delitzas , Robert W. Sumner , Francis Engelmann , Johanna Wald , Federico Tombari

We propose OpenVoxel, a training-free algorithm for grouping and captioning sparse voxels for the open-vocabulary 3D scene understanding tasks. Given the sparse voxel rasterization (SVR) model obtained from multi-view images of a 3D scene,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Sheng-Yu Huang , Jaesung Choe , Yu-Chiang Frank Wang , Cheng Sun

Scene-Graph Generation (SGG) seeks to recognize objects in an image and distill their salient pairwise relationships. Most methods depend on dataset-specific supervision to learn the variety of interactions, restricting their usefulness in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Amartya Dutta , Kazi Sajeed Mehrab , Medha Sawhney , Abhilash Neog , Mridul Khurana , Sepideh Fatemi , Aanish Pradhan , M. Maruf , Ismini Lourentzou , Arka Daw , Anuj Karpatne

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