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Paper Abstract and Keywords
Presentation 2026-03-19 17:30
Depth-Based High-Precision 3D Scene Reconstruction from a Single Monocular Image -- Object-Based Approach Using Generative AI --
Masami Iwatsuki, Mizuki Watanabe (Hosei Univ.) KBSE2025-61
Abstract (in Japanese) (See Japanese page) 
(in English) This study proposes an integrated system for automatically reconstructing 3D scenes from monocular RGB images. Unlike conventional point cloud-based reconstruction requiring multiple images or depth sensors, our system adopts an object-level paradigm of recognition, segmentation, completion, and 3D modeling. The pipeline consists of five modules: VLM-based object detection, background removal and outpainting using generative AI, AKAZE feature matching for position localization, monocular depth estimation, and high-quality 3D model generation. Our system successfully reconstructs visually natural 3D scenes from single monocular images.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D Scene Reconstruction / Object-Based Reconstruction / Monocular Depth Estimation / AKAZE Feature Matching / Generative AI / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 423, KBSE2025-61, pp. 73-78, March 2026.
Paper # KBSE2025-61 
Date of Issue 2026-03-12 (KBSE) 
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 KBSE2025-61

Conference Information
Committee KBSE  
Conference Date 2026-03-19 - 2026-03-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural General Welfare Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To KBSE 
Conference Code 2026-03-KBSE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Depth-Based High-Precision 3D Scene Reconstruction from a Single Monocular Image 
Sub Title (in English) Object-Based Approach Using Generative AI 
Keyword(1) 3D Scene Reconstruction  
Keyword(2) Object-Based Reconstruction  
Keyword(3) Monocular Depth Estimation  
Keyword(4) AKAZE Feature Matching  
Keyword(5) Generative AI  
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1st Author's Name Masami Iwatsuki  
1st Author's Affiliation Hosei University (Hosei Univ.)
2nd Author's Name Mizuki Watanabe  
2nd Author's Affiliation Hosei University (Hosei Univ.)
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Speaker Author-1 
Date Time 2026-03-19 17:30:00 
Presentation Time 30 minutes 
Registration for KBSE 
Paper # KBSE2025-61 
Volume (vol) vol.125 
Number (no) no.423 
Page pp.73-78 
#Pages 6 
Date of Issue 2026-03-12 (KBSE) 

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