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Paper Abstract and Keywords
Presentation 2026-03-17 10:00
Towards 3D Scene Graph Reconstruction from a Single Image via Graph-based Reasoning
Phueaksri Itthisak, Yasutomo Kawanishi (RIKEN, GRP) IMQ2025-70 IE2025-147 MVE2025-77
Abstract (in Japanese) (See Japanese page) 
(in English) 3D Scene Graph Generation aims to achieve a comprehensive understanding of 3D scenes by representing objects and their relationships as a graph.
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This representation supports various downstream tasks, including robotics and visual question answering.
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Conventional 3D scene graph generation approaches rely on multi-view observations to estimate accurate 3D spatial information and construct reliable scene graphs.
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However, multi-view acquisition is not always feasible.
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In many practical scenarios, only a limited observable region is available, or early-stage reasoning is required.
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This setting commonly arises in visual question answering systems that operate on a single image.
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To address this limitation, we propose a framework to generate 3D scene graphs from a single image.
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The proposed framework consists of two main components.
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First, 3D spatial estimation predicts object 3D spatial information from a single image.
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Second, graph-based reasoning estimates 3D spatial information with object features to infer relationships between objects and construct the final 3D scene graph.
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We evaluate our method on the 3DSGG indoor dataset.
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For this purpose, we extend the original annotations to support single-view 3D scene graph reconstruction.
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Experimental results demonstrate that the proposed method outperforms baseline approaches, validating a monocular 3D scene graph generation.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D Scene Graph Generation / Single-Image Understanding / Graph-based Reasoning / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 411, MVE2025-77, pp. 291-295, March 2026.
Paper # MVE2025-77 
Date of Issue 2026-03-09 (IMQ, IE, MVE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IMQ2025-70 IE2025-147 MVE2025-77

Conference Information
Committee CQ MVE IMQ IE  
Conference Date 2026-03-16 - 2026-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Sangyoushien-Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MVE 
Conference Code 2026-03-CQ-MVE-IMQ-IE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Towards 3D Scene Graph Reconstruction from a Single Image via Graph-based Reasoning 
Sub Title (in English)  
Keyword(1) 3D Scene Graph Generation  
Keyword(2) Single-Image Understanding  
Keyword(3) Graph-based Reasoning  
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1st Author's Name Phueaksri Itthisak  
1st Author's Affiliation RIKEN, GRP (RIKEN, GRP)
2nd Author's Name Yasutomo Kawanishi  
2nd Author's Affiliation RIKEN, GRP (RIKEN, GRP)
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Speaker Author-1 
Date Time 2026-03-17 10:00:00 
Presentation Time 20 minutes 
Registration for MVE 
Paper # IMQ2025-70, IE2025-147, MVE2025-77 
Volume (vol) vol.125 
Number (no) no.408(IMQ), no.410(IE), no.411(MVE) 
Page pp.291-295 
#Pages 5 
Date of Issue 2026-03-09 (IMQ, IE, MVE) 

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