IWAHORI Yuji

J-GLOBAL         Last updated: Apr 1, 2019 at 17:37
 
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Name
IWAHORI Yuji
Affiliation
Chubu University
Section
Dept. of Computer Science
Job title
Professor
Degree
Doctor of Engineering(Tokyo Institute of Technology), Master of Engineering(Tokyo Institute of Technology)
Research funding number
60203402

Profile

Yuji Iwahori received B.S. degree from Dept. of Computer Science, Nagoya Institute of Technology, M.S. degree and Ph.D. degree from the Dept. of Electrical and Electronics, Tokyo Institute of Technology in1985 and 1988, respectively. He joined Educational Centre for Information Processing, Nagoya Institute of Technology as a research associate in 1988 and he became a professor of Centre for Information and Media Studies, Nagoya Institute of Technology in 2002. He has joined Chubu University as a professor since 2004 and he is currently the head of Graduate Program of Computer Science, Chubu University, Japan. In the meanwhile, he has been a visiting researcher of UBC Computer Science, Canada since 1991. He has been a research collaborator with Indian Institute of Technology Guwahati and Chulalongkorn University since 2012 and 2014. He has also been a research collaborator with Harbin University of Science and Technology (HUST) since 2014. His research interests include Computer Vision, Image Recognition, Neural Network and Application of Artificial Intelligence. He got KES 2008 Best Paper Award and KES 2013 Best Paper Award from KES International.

Research Areas

 
 

Academic & Professional Experience

 
Apr 2019
 - 
Today
Vice Dean of College of Engineering, Chubu University
 
Apr 2015
 - 
Mar 2019
Associate Head of Dept. of Computer Science, Chubu University
 
Apr 2011
 - 
Mar 2013
Head of Graduate Course of Computer Science, Chubu University
 
Apr 2009
 - 
Mar 2011
Head of Dept. of Computer Science, Chubu University
 
Apr 2007
 - 
Mar 2009
Head of Graduate Course of Computer Science, Chubu University
 
Apr 2004
 - 
Today
Professor, Dept. of Computer Science, Chubu University
 
Apr 2002
 - 
Mar 2004
Professor, Center for Information and Media Studies, Nagoya Institute of Technology
 
Apr 2000
 - 
Mar 2002
Associate Professor, Center for Information and Media Studies, Nagoya Institute of Technology
 
Oct 1992
 - 
Mar 2000
Associate Professor, Educational Center for Information Processing, Nagoya Institute of Technology
 
Mar 1994
 - 
Jan 1995
Visiting Researcher of UBC Computer Science
 
Apr 1988
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Sep 1992
Research Associate, Educational Center for Information Processing, Nagoya Institute of Technology
 

Education

 
Apr 1985
 - 
Mar 1988
Electrical and Electronics Engineering, Graduate School of Science and Engineering (Ph.D.), Tokyo Institute of Technology
 
Apr 1983
 - 
Mar 1985
Electrical and Electronics Engineering, Graduate School of Science and Engineering (Master), Tokyo Institute of Technology
 

Committee Memberships

 
2017
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Today
PATTERNS  Steering Committee Member
 
2017
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Today
IJCCI (FCTA)  Program Committee Member
 
2017
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Today
The Open Bioinformatics Journal  Editorial Board Member
 
2017
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Today
International e-Journal of Clinical & Medical Imaging  Editorial Board Member
 
2016
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Today
PATTERNS  Program Committee Member
 
2016
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Today
SIGNAL  Program Committee Member
 
2016
 - 
Today
ACIVS  Program Committee Member
 
2016
 - 
Today
IIAI AAI  Program Committee Member
 
2015
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Today
HI-BI-BI  Program Committee Member
 
2015
 - 
Today
Journal of Robotics and Mechanical Engineering Research  Editorial Board Member
 
2015
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Today
Japan Society for Fuzzy Theory and Intelligent Informatics  Steering Committee Member
 
2014
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Today
ICPRAM  Program Committee Member
 
2013
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Today
KES IDT  Program Committee Member
 
2013
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Today
SITIS  Program Committee Member
 
2013
 - 
Today
IEEE/ACIS ICIS  Program Committee Member
 
2013
 - 
Today
International Journal of Computer & Software Engineering  Editorial Board Member
 
2010
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Today
Springer Multimedia Tools and Applications  Reviewer
 
2008
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Today
IEEE Transactions on Neural Networks and Learning Systems  Reviewer
 
2006
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Today
Workshop on Informatics (WiNF)  Program Committee Member
 
2004
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Today
KES  Program Committee Member
 
2004
 - 
Today
KES  Journal Board of Reviewers
 
 
 - 
Today
IEEJ Transactions  Reviewer
 
 
 - 
Today
IPSJ Transactions  Reviewer
 
 
 - 
Today
IEICE Transactions  Reviewer
 
2018
 - 
2018
MMM 2018  Program Committee Member
 
2018
 - 
2018
ATAIT 2018  Program Committee Member
 
2017
 - 
2017
WiNF 2017  Chief of Excecutive Committee
 
2016
 - 
2017
ISTA  Program Committee Member
 
2013
 - 
2016
NCTA  Program Committee
 
2015
 - 
2015
INISTA  Program Committee Member
 
2015
 - 
2015
ACIS CSI  Computational Intelligence Track Chair
 
Apr 2012
 - 
Apr 2014
IEICE Tokai Section  Steering Committee Member
 
2014
 - 
2014
IEEE BIBE  Program Committee Member
 
2012
 - 
2014
SCIS-ISIS  Program Committee Member
 
2008
 - 
2013
IEEE ICTAI  Program Committee Member
 
May 2009
 - 
Apr 2010
Information Processing Society of Japan  Representative Member
 
May 2008
 - 
Apr 2010
Information Processing Society of Japan  Steering Committee Member
 
1992
 - 
2004
Congress on Education for Information Processing  Session Chair
 
Dec 1996
 - 
Dec 1996
Congress on Education for Information Processing  Executive Committee Member, Nagoya Institute of Technology
 

Awards & Honors

 
Feb 2019
"Polyp Shape Recovery using Vascular Border from Single Colonoscopy Image", BIOIMAGING 2019 Best Poster Award, INSTICC
 
Jan 2018
"Dense 3D Reconstruction of Endoscopic Polyp", BIOIMAGING 2018 Best Poster Award, INSTICC
 
Nov 2017
Promoting and Contributing Global Engagement, Tanaka-Ohio Award for Excellence in Global Engagement, Ohio University
 
Jun 2017
"Detection and Classification of Defective Electronic Circuit Boards Using CNN Features and Keypoint Extraction", PATTERNS 2017 Best Paper Award, IARIA
Winner: Yuji Iwahori
 
Sep 2013
""Shape from Endoscope Image based on Photometric and Geometric Constraints"", KES 2013 Best Paper Award, KES International
 
Sep 2008
"Efficient Tracking with AdaBoost and Particle Filter under Complicated Background", KES 2008 Best Paper Award, KES International
 
Oct 2002
Expression of Liquid Flow Using Density Change Model in Virtual Liquid Manipulation, Outstanding Award of 18th NICOGRAPH Paper Contest
 

Published Papers

 
Amit Vishwakarma, M. K. Bhuyan, Yuji Iwahori
Journal of Visual Communication and Image Representation   57 48-60   Nov 2018
© 2018 Elsevier Inc. Existing image fusion approaches are not so efficient to seize significant edges, texture and fine features of the source images due to ineffective and non-adaptive fusion structure. Also for objective evaluation of fusion alg...
Amit Vishwakarma, M. K. Bhuyan, Yuji Iwahori
Multimedia Tools and Applications   1-28   Jun 2018
© 2018 Springer Science+Business Media, LLC, part of Springer Nature Existing image fusion methods can not efficiently capture significant edges, texture and fine details of the source images due to inefficient fusion framework. In addition, for o...
Pradipta Sasmal, Yuji Iwahori, M. K. Bhuyan, Kunio Kasugai
2018 International Conference on Signals and Systems, ICSigSys 2018 - Proceedings   201-204   Jun 2018
© 2018 IEEE. Capsule endoscopy (CE) has been used as a reliable diagnostic measure for detecting polyps in the gastrointestinal (GI) tract. In this paper, we propose an automated framework for efficient segmentation of such polyps from endoscopic ...
Jitao Zhang, Aili Wang, Na An, Yuji Iwahori
International Journal of Performability Engineering   14 463-472   Mar 2018
© 2018 Totem Publisher, Inc. All rights reserved. Nowadays, remote sensing images have been widely used in civil and military fields. But, because of the limitations of the current imaging sensors and complex atmospheric conditions, the resolution...
Pawan Kumar Dixit, Yuji Iwahori, M. K. Bhuyan, Kunio Kasugai, Amit Vishwakarma
Proceedings of the 2017 International Conference on Wireless Communications, Signal Processing and Networking, WiSPNET 2017   2018-January 52-57   Feb 2018
© 2017 IEEE. In this paper, a new approach to recover 3D shape of a polyp from the endoscopic video is proposed. For this, a point light source of illumination, perspective projection and six-degree motion of the endoscope are considered. Previous...
Aili Wang, Zhennan Yang, Yushi Chen, Yuji Iwahori
International Journal of Performability Engineering   14 386-395   Feb 2018
© 2018 Totem Publisher, Inc. All rights reserved. Most target tracking is based on a lot of samples training to build the model of the target, which is then carried on the tracking processing. This will need to choose a lot of tracked target sampl...
Amit Vishwakarma, M. K. Bhuyan, Yuji Iwahori
Advances in Intelligent Systems and Computing   703 243-252   Jan 2018
© 2018, Springer Nature Singapore Pte Ltd. Multimodal medical image fusion techniques are utilized to fuse two images obtained from dissimilar sensors for obtaining additional information. These methods are used to fuse computed tomography (CT) im...
Tokiko Shiina, Yuji Iwahori, Yohei Takada, Boonserm Kijsirikul, M. K. Bhuyan
Studies in Computational Intelligence   719 77-92   Jan 2018
© Springer International Publishing AG 2018. This paper proposes a method to discriminate the defect on the electronic board and the foreign matter attached to the circuit. The purpose of this paper is to reduce the misclassification of the true d...
Yuji Iwahori, Tomoya Suda, Kenji Funahashi, Hiroyasu Usami, Aili Wang, M. K. Bhuyan, Kunio Kasugai
Studies in Computational Intelligence   726 165-184   Jan 2018
© Springer International Publishing AG 2018. Endoscope is used to remove the polyp in themedical diagnosis. Absolute size of polyp has been usually estimated by medical doctor with their empirical judgement using endoscope. However this estimation...
Mayank Golhar, Yuji Iwahori, M. K. Bhuyan, Kenji Funahashi, Kunio Kasugai
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   10857 LNCS 147-168   Jan 2018
© Springer International Publishing AG, part of Springer Nature 2018. A novel blood vessel extraction methodology is proposed in this work. The blood delineation pipeline consists of three stages. In the first stage, a high-level classification of...
Shotaro Furuta,Tsuyoshi Nakamura,Yuji Iwahori,Shinji Fukui 0001,Masayoshi Kanoh,Koji Yamada
Conference on Technologies and Applications of Artificial Intelligence, TAAI 2018, Taichung, Taiwan, November 30 - December 2, 2018   102-105   2018   [Refereed]
Yuji Iwahori,Yohei Takada,Tokiko Shiina,Yoshinori Adachi,M. K. Bhuyan,Boonserm Kijsirikul
Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 22nd International Conference KES-2018, Belgrade, Serbia, 3-5 September 2018.   1673-1682   2018   [Refereed]
Xiangbo Kong,Zelin Meng,Naoto Nojiri,Yuji Iwahori,Lin Meng,Hiroyuki Tomiyama
2018 International Conference on Identification, Information and Knowledge in the Internet of Things, IIKI 2018, Beijing, China, October 19-21, 2018   276-282   2018   [Refereed]
Amit Vishwakarma,Manas Kamal Bhuyan,Yuji Iwahori
Multimedia Tools Appl.   77(24) 32013-32040   2018   [Refereed]
Amit Vishwakarma,Manas Kamal Bhuyan,Yuji Iwahori
J. Visual Communication and Image Representation   57 48-60   2018   [Refereed]
Ankur Deka,Yuji Iwahori,Manas Kamal Bhuyan,Pradipta Sasmal,Kunio Kasugai
Proceedings of the 11th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2018) - Volume 2: BIOIMAGING, Funchal, Madeira, Portugal, January 19-21, 2018.   159-166   2018   [Refereed]
Sunil Kumar,Manas Kamal Bhuyan,Brian C. Lovell,Yuji Iwahori
J. Visual Communication and Image Representation   54 171-181   2018   [Refereed]
Yuji Iwahori,Lei Huang,Aili Wang,Manas Kamal Bhuyan
5th International Conference on Computational Science / Intelligence and Applied Informatics, CSII 2018, Yonago, Japan, July 10-12, 2018   60-65   2018   [Refereed]
Aili Wang,Haiyang Liu,Yushi Chen,Yuji Iwahori
Data Science - 4th International Conference of Pioneering Computer Scientists, Engineers and Educators, ICPCSEE 2018, Zhengzhou, China, September 21-23, 2018, Proceedings, Part I   729-737   2018   [Refereed]
Daimu Oiwa,Shinji Fukui 0001,Yuji Iwahori,Tsuyoshi Nakamura,Boonserm Kijsirikul,Manas Kamal Bhuyan
IJSI   5(2) 1-16   2017   [Refereed]
Jitao Zhang, Aili Wang, Mingxiao Wang, Yuji Iwahori
International Journal of Performability Engineering   13 458-468   Jul 2017
© 2017 Totem Publisher, Inc. All rights reserved. TLD (Tracking-Learning-Detection) algorithm can be good for a long time to track the target in rotation, occlusion, illumination and other circumstances. However, in the case of uneven illumination...
Hiroyasu Usami,Yuji Iwahori,Yuki Hanai,Boonserm Kijsirikul,Kunio Kasugai
IJSI   5(2) 33-54   2017   [Refereed]
A. L. Wang, N. An, R. H. Wang, Y. J. Iwahori
Information Science and Electronic Engineering - Proceedings of the 3rd International Conference of Electronic Engineering and Information Science, ICEEIS 2016   127-130   Jan 2017
© 2017 Taylor & Francis Group, London. Super-resolution reconstruction algorithms based on sparse representation have been an area of much research in recent years. Super-resolution reconstruction based on centralised sparse representation has i...
Lei Huang,Yuji Iwahori,Aili Wang,Manas Kamal Bhuyan
Advanced Concepts for Intelligent Vision Systems - 18th International Conference, ACIVS 2017, Antwerp, Belgium, September 18-21, 2017, Proceedings   735-747   2017   [Refereed]
Shashi Kumar, Yuji Iwahori, M. K. Bhuyan
Advances in Intelligent Systems and Computing   459 AISC 523-532   Jan 2017
© Springer Science+Business Media Singapore 2017. In this paper, a new model for defect classification of PCB is proposed which is inspired from bottom-up processing model of perception. The proposed model follows a non-referential based approach ...
Amit Vishwakarma,Manas Kamal Bhuyan,Yuji Iwahori
Proceedings of 2nd International Conference on Computer Vision & Image Processing - CVIP 2017, Roorkee, India, September 9-12, 2017, Volume 1   243-252   2017   [Refereed]
大谷世紀, 山西良典, 岩堀祐之
人工知能学会論文誌(Web)   32(1) WII‐N_1‐10(J‐STAGE)   Jan 2017
© 2017, Japanese Society for Artificial Intelligence. All rights reserved. Image database is one of the important research topics in image recognition. A manual collection of images would causes biased collection and a lot of human efforts. Huge i...
Mayank Golhar,Yuji Iwahori,Manas Kamal Bhuyan,Kenji Funahashi,Kunio Kasugai
Pattern Recognition Applications and Methods - 6th International Conference, ICPRAM 2017, Porto, Portugal, February 24-26, 2017, Revised Selected Papers   147-168   2017   [Refereed]
A. L. Wang, C. Y. Hu, X. M. Liu, Y. J. Iwahori, R. Kang
Information Science and Electronic Engineering - Proceedings of the 3rd International Conference of Electronic Engineering and Information Science, ICEEIS 2016   69-72   Jan 2017
© 2017 Taylor & Francis Group, London. Target detection is divided into three parts: feature extraction, training detector and Non- Maximum Suppression (NMS). The current research work mainly focuses on feature extraction, feature extraction and...
Mayank Golhar,Yuji Iwahori,Manas Kamal Bhuyan,Kenji Funahashi,Kunio Kasugai
Proceedings of the 6th International Conference on Pattern Recognition Applications and Methods, ICPRAM 2017, Porto, Portugal, February 24-26, 2017.   148-156   2017   [Refereed]
Yuji Iwahori,Hiroaki Hagi,Hiroyasu Usami,Robert J. Woodham,Aili Wang,Manas Kamal Bhuyan,Kunio Kasugai
Proceedings of the 6th International Conference on Pattern Recognition Applications and Methods, ICPRAM 2017, Porto, Portugal, February 24-26, 2017.   402-409   2017   [Refereed]
Hoshito Kudo,Satoshi Tanaka,Yukihiro Yoshida,Tsuyoshi Nakamura,Masayoshi Kanoh,Koji Yamada,Daimu Oiwa,Yuji Iwahori,Shinji Fukui 0001
Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems, IFSA-SCIS 2017, Otsu, Japan, June 27-30, 2017   1-5   2017   [Refereed]
Daimu Oiwa,Shinji Fukui 0001,Yuji Iwahori,Boonserm Kijsirikul,Tsuyoshi Nakamura,Manas Kamal Bhuyan
Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference KES-2017, Marseille, France, 6-8 September 2017.   1479-1487   2017   [Refereed]
Yuya Tsukada,Yuji Iwahori,Kenji Funahashi,Mami Jose,Jun Ueda,Takashi Iwamoto
Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference KES-2017, Marseille, France, 6-8 September 2017.   1633-1640   2017   [Refereed]
Hiroyasu Usami,Yuji Iwahori,Naotaka Ogasawara,Kunio Kasugai,Yoshinori Adachi
Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference KES-2017, Marseille, France, 6-8 September 2017.   1793-1800   2017   [Refereed]
Aili Wang, Shiyu Dai, Mingji Yang, Yuji Iwahori
Proceedings of the 2015 10th International Conference on Communications and Networking in China, CHINACOM 2015   793-797   Jun 2016
© 2015 IEEE. Human detection is a key problem in computer vision, with several applications that have the potential to positively impact quality of life. In recent years, the number of approaches to detect human in video sequences has grown steadi...
Aili Wang, Na An, Yangyang Zhao, Yuji Iwahori, Rui Kang
International Journal of Multimedia and Ubiquitous Engineering   11 29-36   Jan 2016
© 2016 SERSC. The characteristics of remote sensing image is not obvious and can not reflect the be reconstructed the detail characters of the objects. For the sparse points in multi images fusion results, texture selection and it is relatively di...
Aili Wang, Mingji Yang, Xue Gao, Yuji Iwahori
International Journal of Multimedia and Ubiquitous Engineering   11 17-22   Jan 2016
© 2016 SERSC. Compressed sensing is a new signal sampling theory that fully makes use of signal’s sparsity or compressibility. The theory shows that, the acquisition of a small amount of the sparse or compressible signal value can be used for exac...
Shinji Fukui, Sou Hayakawa, Yuji Iwahori, Tsuyoshi Nakamura, M. K. Bhuyan
Procedia Computer Science   96 977-986   Jan 2016
© 2016 The Authors. Published by Elsevier B.V. In this paper, we propose a new method for object tracking robust to the intersection with other objects with similar appearance and to the great rotation of the camera. The method uses 3D information...
Aili Wang, Mingxiao Wang, Jitao Zhang, Yuji Iwahori, Bo Wang
International Journal of Multimedia and Ubiquitous Engineering   11 175-182   Jan 2016
© 2016 SERSC. In order to solve the problem of pedestrian detection performance, the described operator was improved. In this paper, semantic local binary pattern (SLBP) and histogram of oriented gradient (HOG) are combined as new feature operator...
Seiki Ootani, Ryosuke Yamanishi, Yuji Iwahori
Procedia Computer Science   96 1112-1121   Jan 2016
© 2016 The Authors. Published by Elsevier B.V. This paper describes the effectiveness comparison of noise removal method using visual, semantic and the both features. To automatically generate image dataset from Web, noise image removal should be ...
Daimu Oiwa,Shinji Fukui 0001,Yuji Iwahori,Tsuyoshi Nakamura,Manas Kamal Bhuyan
15th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2016, Okayama, Japan, June 26-29, 2016   1-6   2016   [Refereed]
Seiya Tsuda, Yuji Iwahori, Yuki Hanai, Kunio Kasugai
IEEJ Transactions on Electronics, Information and Systems   136 556-563   Jan 2016
© 2016 The Institute of Electrical Engineers of Japan. The VBW (Vogel-Breub-Weickert) model is proposed as a method to recover 3-D shape under point light source illumination and perspective projection. However, the VBW model recovers relative, no...
Hiroyasu Usami,Yuki Hanai,Yuji Iwahori,Kunio Kasugai
15th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2016, Okayama, Japan, June 26-29, 2016   1-6   2016   [Refereed]
Shashi Kumar,Yuji Iwahori,Manas Kamal Bhuyan
Proceedings of International Conference on Computer Vision and Image Processing - CVIP 2016, Indian Institute of Technology Roorkee, February 26-28, 2016, Volume 1   523-532   2016   [Refereed]
Yuji Iwahori,Daiki Yamaguchi,Tsuyoshi Nakamura,Boonserm Kijsirikul,Manas Kamal Bhuyan,Kunio Kasugai
Proceedings of the 5th International Conference on Pattern Recognition Applications and Methods, ICPRAM 2016, Rome, Italy, February 24-26, 2016.   503-509   2016   [Refereed]
Kota Higashi,Shinji Fukui 0001,Yuji Iwahori,Yoshinori Adachi,Manas Kamal Bhuyan
Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 20th International Conference KES-2016, York, UK, 5-7 September 2016.   896-903   2016   [Refereed]
Seiya Tsuda, Yuji Iwahori, Yuki Hanai, Robert J. Woodham, M. K. Bhuyan, Kunio Kasugai
Proceedings - International Conference on Image Processing, ICIP   2015-December 4684-4688   Dec 2015
© 2015 IEEE. Previous approaches have proposed to recover the poly shape but it is desired that absolute size of polyp can be obtained as a medical endoscope system. The VBW (Vogel-Breuß-Weickert) model is proposed as a method to recover 3-D shape...
Aashish Amber, Yuji Iwahori, M. K. Bhuyan, Robert J. Woodham, Kunio Kasugai
Proceedings - 3rd International Conference on Applied Computing and Information Technology and 2nd International Conference on Computational Science and Intelligence, ACIT-CSI 2015   299-304   Nov 2015
© 2015 IEEE. There has been various research conducted in polyp detection in endoscopic videos but not much has been done in the field of polyp tracking in endoscopic videos which itself is a very challenging task because of the nature of endoscop...
Seiki Otani, Ryoya Fujimoto, Kohichi Toshioka, Yuji Iwahori
Proceedings - 3rd International Conference on Applied Computing and Information Technology and 2nd International Conference on Computational Science and Intelligence, ACIT-CSI 2015   339-342   Nov 2015
© 2015 IEEE. For information on the Internet, by using concepts defined in the format that can be processed by machine, various researches have been made so that a computer understands the Web contents. This is called the Semantic Web, and its pra...
Ryosuke Yamanishi, Ryoya Fujimoto, Yuji Iwahori, Robert J. Woodham
International Journal of Networked and Distributed Computing   3 234-242   Nov 2015
This paper proposes a hybrid approach of ontology and image clustering to automatically generate hierarchic image database. In the field of computer vision, "generic object recognition" is one of the most important topics. Generic object recogniti...
Yuji Iwahori, Seiya Tsuda, Robert J. Woodham, M. K. Bhuyan, Kunio Kasugai
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   9493 229-246   Jan 2015
© Springer International Publishing Switzerland 2015. In the medical imaging applications, endoscope image is used to observe the human body. The VBW (Vogel-Breus-Weickert) model is proposed as a method to recover 3-D shape under point light sourc...
Yuji Iwahori, Seiya Tsuda, Aili Wang, Robert J. Woodham, M. K. Bhuyan, Kunio Kasugai
International Journal of Multimedia and Ubiquitous Engineering   10 199-210   Jan 2015
© 2015 SERSC. The VBW (Vogel-Breuß-Weickert) model is proposed as a method to recover 3-D shape under point light source illumination and perspective projection. However, the VBW model recovers relative, not absolute, shape. Here, shape modificati...
Aili Wang, Jiaying Zhao, Yuji Iwahori, Shiyu Dai
International Journal of Multimedia and Ubiquitous Engineering   10 1-8   Jan 2015
© 2015 SERSC. In recent years, with the development of compressive sensing (CS) theory, it has been widely applied to each field including image fusion, and obtained better fusion effect. And CS can reduce dimensions and the amount of data charact...
Yuji Iwahori, Keita Tatematsu, Tsuyoshi Nakamura, Shinji Fukui, Robert J. Woodham, Kunio Kasugai
Smart Innovation, Systems and Technologies   30 65-80   Jan 2015
© Springer International Publishing Switzerland 2015. An endoscope is a medical instrument that acquires images inside the human body. Sometimes, diagnosis requires assessment of the 3-D shape of observed tissue. For example, the pathology of a po...
Seiya Tsuda,Yuji Iwahori,Manas Kamal Bhuyan,Robert J. Woodham,Kunio Kasugai
Int. J. Biomedical Imaging   2015 109804:1-109804:11   2015   [Refereed]
Ryosuke Yamanishi,Ryoya Fujimoto,Yuji Iwahori,Robert J. Woodham
14th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2015, Las Vegas, NV, USA, June 28 - July 1, 2015   179-184   2015   [Refereed]
Yuji Iwahori,Seiya Tsuda,Robert J. Woodham,Manas Kamal Bhuyan,Kunio Kasugai
ICPRAM 2015 - Proceedings of the International Conference on Pattern Recognition Applications and Methods, Volume 2, Lisbon, Portugal, 10-12 January, 2015.   62-70   2015   [Refereed]
Yuji Iwahori,Akira Hattori,Yoshinori Adachi,Manas Kamal Bhuyan,Robert J. Woodham,Kunio Kasugai
19th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2015, Singapore, 7-9 September 2015   730-739   2015   [Refereed]
Shinji Fukui,Ryuji Nishiyama,Yuji Iwahori,M. K. Bhuyan,Robert J. Woodham
19th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2015, Singapore, 7-9 September 2015   740-749   2015   [Refereed]
So Hayakawa,Shinji Fukui,Yuji Iwahori,Manas Kamal Bhuyan,Robert J. Woodham
Software Engineering Research, Management and Applications   205-218   2015   [Refereed]
M. K. Bhuyan, D. Ajay Kumar, Karl F. MacDorman, Yuji Iwahori
Journal on Multimodal User Interfaces   8 333-343   Jan 2014
© 2014, OpenInterface Association. Applications requiring the natural use of the human hand as a human–computer interface motivate research on continuous hand gesture recognition. Gesture recognition depends on gesture segmentation to locate the s...
Yuji Iwahori, Kazuhiro Shibata, Haruki Kawanaka, Kenji Funahashi, Robert J. Woodham, Yoshinori Adachi
Advances in Intelligent Systems and Computing   234 73-86   Jan 2014
© Springer International Publishing Switzerland 2014. This chapter proposes a new approach to recover 3-D shape from a Scanning ElectronMicroscope (SEM) image. When anSEMimage is used to recover 3-D shape, one can apply the algorithm based on the ...
Ryoya Fujimoto, Ryosuke Yamanishi, Yuji Iwahori, Kohichi Toshioka, Junichi Fukumoto
Proceedings - 2014 IIAI 3rd International Conference on Advanced Applied Informatics, IIAI-AAI 2014   966-971   Jan 2014
© 2014 IEEE. Preparation of a training image dataset used for the genetic object recognition system needs a lot of costs. Some datasets were recently created from Web image sharing services like Flickr, but examples which utilize a semantic classi...
Manas Kamal Bhuyan,V. Venkata Ramaraju,Yuji Iwahori
Int. J. Machine Learning & Cybernetics   5(4) 607-623   2014   [Refereed]
Yuji Iwahori,Kenji Funahashi,Robert J. Woodham,Manas Kamal Bhuyan
22nd International Conference on Pattern Recognition, ICPR 2014, Stockholm, Sweden, August 24-28, 2014   2131-2136   2014   [Refereed]
Himanshu Agrahari,Yuji Iwahori,Manas Kamal Bhuyan,Somnath Ghorai,Himanshu Kohli,Robert J. Woodham,Kunio Kasugai
ICPRAM 2014 - Proceedings of the 3rd International Conference on Pattern Recognition Applications and Methods, ESEO, Angers, Loire Valley, France, 6-8 March, 2014   495-501   2014   [Refereed]
Yoshinori Adachi,Masahiro Ozaki,Yuji Iwahori
18th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2014, Gdynia, Poland, 15-17 September 2014   1202-1209   2014   [Refereed]
Hiroaki Hagi,Yuji Iwahori,Shinji Fukui,Yoshinori Adachi,Manas Kamal Bhuyan
18th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2014, Gdynia, Poland, 15-17 September 2014   1210-1218   2014   [Refereed]
Shuya Ishida,Shinji Fukui,Yuji Iwahori,Manas Kamal Bhuyan,Robert J. Woodham
18th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2014, Gdynia, Poland, 15-17 September 2014   1219-1228   2014   [Refereed]
Shuya Ishida, Shinji Fukui, Yuji Iwahori, M. K. Bhuyan, Robert J. Woodham
Lecture Notes in Engineering and Computer Science   3 LNECS 2195-2200   Nov 2013
Computer vision methods need to deal with shadows explicitly because shadows often have a negative effect on the results computed. A new shadow detection method is proposed. The new method is based on a shadow model. The model is constructed by fe...
Takuya Nakagawa, Yuji Iwahori, M. K. Bhuyan
Studies in Computational Intelligence   493 115-127   Jan 2013
This paper proposes a new method to improve the classification accuracy by multiple classes classification using multiple SVM. The proposed approach classifies the true and pseudo defects by adding features to decrease the incorrect classification...
Shuya Ishida, Shinji Fukui, Yuji Iwahori, M. K. Bhuyan, Robert J. Woodham
Studies in Computational Intelligence   493 103-113   Jan 2013
An object detection method needs a shadow detection because shadows often have a harmful effect on the result. Shadow detection methods based on shadow models are proposed. A new shadow model is proposed in this paper. The proposed model is constr...
Gaku Watanabe,Shinji Fukui,Yuji Iwahori,Manas Kamal Bhuyan,Robert J. Woodham,Yoshinori Adachi
17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2013, Kitakyushu, Japan, 9-11 September 2013   366-374   2013   [Refereed]
Yoshinori Adachi,Kei Konishi,Masahiro Ozaki,Yuji Iwahori
17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2013, Kitakyushu, Japan, 9-11 September 2013   772-779   2013   [Refereed]
Haruki Kawanaka,Shinichi Kosaka,Yuji Iwahori,Saburo Sugiyama
17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2013, Kitakyushu, Japan, 9-11 September 2013   968-975   2013   [Refereed]
Keita Tatematsu,Yuji Iwahori,Tsuyoshi Nakamura,Shinji Fukui,Robert J. Woodham,Kunio Kasugai
17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2013, Kitakyushu, Japan, 9-11 September 2013   1285-1293   2013   [Refereed]
Yuji Iwahori,Takayuki Shinohara,Akira Hattori,Robert J. Woodham,Shinji Fukui,Manas Kamal Bhuyan,Kunio Kasugai
Proceedings of the 13. IAPR International Conference on Machine Vision Applications, MVA 2013, Kyoto, Japan, May 20-23, 2013   21-24   2013   [Refereed]
Neeraj Mishra,Manas Kamal Bhuyan,T. Malathi,Yuji Iwahori,Robert J. Woodham
Pattern Recognition and Machine Intelligence - 5th International Conference, PReMI 2013, Kolkata, India, December 10-14, 2013. Proceedings   423-429   2013   [Refereed]
Sahil Sikka,Karan Sikka,Manas Kamal Bhuyan,Yuji Iwahori
CoRR   abs/1310.6654    2013   [Refereed]
Gaku Watanabe, Shinji Fukui, Keisuke Takechi, Yuji Iwahori, Robert J. Woodham
6th International Conference on Soft Computing and Intelligent Systems, and 13th International Symposium on Advanced Intelligence Systems, SCIS/ISIS 2012   1304-1307   Dec 2012
Tracking methods based on the particle filter frequently use the appearance information of the target object to calculate the likelihood. The method using it often fails in tracking when the target object intersects with other objects with similar...
Yuji Iwahori, Deepak Kumar, Takuya Nakagawa, M. K. Bhuyan
Smart Innovation, Systems and Technologies   16 355-363   Dec 2012
This paper proposes an analytical approach to make correct recognition between the true defect and the pseudo defect with visual inspection of the electronic board. Some classification approaches have already been proposed for the limited kinds of...
Yoshinori Adachi,Kei Konishi,Masahiro Ozaki,Yuji Iwahori
Advances in Knowledge-Based and Intelligent Information and Engineering Systems - 16th Annual KES Conference, San Sebastian, Spain, 10-12 September 2012   1740-1748   2012   [Refereed]
Shinji Fukui,Yasuchika Takeda,Gaku Watanabe,Yuji Iwahori,Robert J. Woodham
Advances in Knowledge-Based and Intelligent Information and Engineering Systems - 16th Annual KES Conference, San Sebastian, Spain, 10-12 September 2012   1758-1767   2012   [Refereed]
Yuji Iwahori,Kazuhiro Shibata,Haruki Kawanaka,Kenji Funahashi,Robert J. Woodham,Yoshinori Adachi
Advances in Knowledge-Based and Intelligent Information and Engineering Systems - 16th Annual KES Conference, San Sebastian, Spain, 10-12 September 2012   1778-1787   2012   [Refereed]
Sanshiro Yamamoto,Kenji Funahashi,Yuji Iwahori
13th ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing, SNPD 2012, Kyoto, Japan, August 8-10, 2012   315-320   2012   [Refereed]
Takayoshi Yamashita, Sho Ikemura, Hironobu Fujiyoshi, Yuji Iwahori
IEEJ Transactions on Industry Applications   131    Sep 2011
In this paper, we propose a part-based human detection method in which the faces and upper parts of human bodies are first detected separately and then merged. In a crowded scene, it is very difficult to merge the detected faces and upper body par...
TAKECHI Keisuke, KURAHASHI Wataru, FUKUI Shinji, IWAHORI Yuji
IEEJ Transactions on Electronics, Information and Systems   131(5) 1083-1084   May 2011
This paper treats the case that a group of objects is tracked by a group of particles of the particle filter. When the object group separates, the particle filter may fail in tracking, or there may be objects which are not tracked by the filter. T...
YAMASHITA Takayoshi, IKEMURA Sho, FUJIYOSHI Hironobu, IWAHORI Yuji
IEEJ Transactions on Industry Applications   131(4) 475-481   Apr 2011
In this paper, we propose a part-based human detection method in which the faces and upper parts of human bodies are first detected separately and then merged. In a crowded scene, it is very difficult to merge the detected faces and upper body par...
Keisuke Takechi, Wataru Kurahashi, Shinji Fukui, Yuji Iwahori
IEEJ Transactions on Electronics, Information and Systems   131 1083-1084   Jan 2011
This paper treats the case that a group of objects is tracked by a group of particles of the particle filter. When the object group separates, the particle filter may fail in tracking, or there may be objects which are not tracked by the filter. T...
Debanga Raj Neog,Yuji Iwahori,Manas Kamal Bhuyan,Robert J. Woodham,Kunio Kasugai
Proceedings of the 5th Indian International Conference on Artificial Intelligence, IICAI 2011, Tumkur, Karnataka State, India, December 14-16, 2011   1006-1015   2011   [Refereed]
Yoshinori Adachi,Masahiro Ozaki,Yuji Iwahori
Knowledge-Based and Intelligent Information and Engineering Systems - 15th International Conference, KES 2011, Kaiserslautern, Germany, September 12-14, 2011, Proceedings, Part IV   80-88   2011   [Refereed]
Yasuchika Takeda,Shinji Fukui,Yuji Iwahori,Robert J. Woodham
Knowledge-Based and Intelligent Information and Engineering Systems - 15th International Conference, KES 2011, Kaiserslautern, Germany, September 12-14, 2011, Proceedings, Part IV   108-116   2011   [Refereed]
Yuji Iwahori,Kazuya Futamura,Yoshinori Adachi
Knowledge-Based and Intelligent Information and Engineering Systems - 15th International Conference, KES 2011, Kaiserslautern, Germany, September 12-14, 2011, Proceedings, Part IV   117-125   2011   [Refereed]
Wataru Kurahashi,Yuji Iwahori,Robert J. Woodham
Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2011), Nara Centennial Hall, Nara, Japan, June 13-15, 2011   10-13   2011   [Refereed]
ENDA Naoki, FUKUI Shinji, KURAHASHI Wataru, TAKECHI Keisuke, IWAHORI Yuji
IEEJ Transactions on Electronics, Information and Systems   130(9) 1588-1596   Sep 2010
This paper proposes an approach of robust tracking for crossing of similar pattern objects. It is based on the particle filter. As far as only appearance information of a target object is used for the particle filter, it fails in tracking the targ...
Yuji YAMAUCHI, Hironobu FUJIYOSHI, Yuji IWAHORI, Takeo KANADE
Progress in informatics : PI   7 33-42   Mar 2010
This paper presents a method for detecting people based on co-occurrence of appearanceand spatio-temporal features. In our method, Histograms of Oriented Gradients (HOG)are used as appearance features, and the results of pixel state analysis are u...
Naoki Enda, Shinji Fukui, Wataru Kurahashi, Keisuke Takechi, Yuji Iwahori
IEEJ Transactions on Electronics, Information and Systems   130    Jan 2010
This paper proposes an approach of robust tracking for crossing of similar pattern objects. It is based on the particle filter. As far as only appearance information of a target object is used for the particle filter, it fails in tracking the targ...
Yuji Yamauchi, Hironobu Fujiyoshi, Yuji Iwahori, Takeo Kanade
Progress in Informatics   33-42   Jan 2010
This paper presents a method for detecting people based on co-occurrence of appearance and spatio-temporal features. In our method, Histograms of Oriented Gradients (HOG) are used as appearance features, and the results of pixel state analysis are...
Yi Ding,Yuji Iwahori,Takashi Nakagawa,Tsuyoshi Nakamura,Lifeng He,Robert J. Woodham,Hidenori Itoh
JACIII   14(1) 99-109   2010   [Refereed]

Misc

 
大音翼, 宇佐美裕康, 岩堀祐之, 春日井邦夫, 小笠原尚高
電子情報通信学会大会講演論文集(CD-ROM)   2018 ROMBUNNO.D‐16‐3   Mar 2018
岩堀祐之, 宇佐美裕康, 大音翼, 村田征隆, 小笠原尚高, 春日井邦夫
中部大学総合工学研究所総合工学(Web)   30 18‐36 (WEB ONLY)   Mar 2018
HUANG Lei, 岩堀祐之, WANG Ail
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   2017 ROMBUNNO.H5‐2   Aug 2017
宮崎將太, 宇佐美裕康, 岩堀祐之, 小笠原尚高, 春日井邦夫
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   2017 ROMBUNNO.F5‐3   Aug 2017
岩田英和, 福井真二, 岩堀祐之
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   2017 ROMBUNNO.G5‐6   Aug 2017
大岩大夢, 福井真二, 岩堀祐之, KIJSIRIKUL Boonserm, 中村剛士
電子情報通信学会大会講演論文集(CD-ROM)   2017 ROMBUNNO.D‐12‐53   Mar 2017
大音翼, 宇佐美裕康, 岩堀祐之, 春日井邦夫
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   2016 ROMBUNNO.D4‐5   Sep 2016
村田征隆, 岩堀祐之, 春日井邦夫
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   2016 ROMBUNNO.D4‐4   Sep 2016
高田陽平, 井上英信, 椎名登紀子, 岩堀祐之
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   2016 ROMBUNNO.C1‐5   Sep 2016
岩堀 祐之, 服部 晃, 福井 真二, 春日井 邦夫
情報科学リサーチジャーナル   23 93-96   Mar 2016
Higashiyama Wataru, Fukui Shinji, Iwahori Yuji
Proceedings of the IEICE General Conference   2016(2)    Mar 2016
岩堀 祐之, 福井 真二, 山西 良典
情報科学リサーチジャーナル   22 17-32   Mar 2015
本プロジェクトでは,画像認識と3次元復元・映像生成の応用に関する研究として,医療用内視鏡画像においてポリープの形状に加えて大きさ情報を得るための方法,確率的背景モデルを用いた移動カメラ画像中の移動物体の頑健な追跡手法,移動物体の影検出をはじめ欠陥検査分類技術に関する研究を行ってきた.本稿では,この研究プロジェクト53b の成果としてその概要を中心に報告する.
TSUDA Seiya, IWAHORI Yuji, KASUGAI Kunio
IEICE technical report.   114(42) 25-30   May 2014
VBW (Vogel-Breu&ss;-Weickert) model is proposed as a method to recover 3D shape under the condition of point light source illumination and perspective projection. However, VBW model recovers the relative shape but there is a problem that the shape...
TSUDA Seiya, IWAHORI Yuji, KASUGAI Kunio
IEICE technical report. Signal processing   114(39) 25-30   May 2014
VBW (Vogel-Breu&ss;-Weickert) model is proposed as a method to recover 3D shape under the condition of point light source illumination and perspective projection. However, VBW model recovers the relative shape but there is a problem that the shape...
TSUDA Seiya, IWAHORI Yuji, KASUGAI Kunio
IEICE technical report. Image engineering   114(40) 25-30   May 2014
VBW (Vogel-Breu&ss;-Weickert) model is proposed as a method to recover 3D shape under the condition of point light source illumination and perspective projection. However, VBW model recovers the relative shape but there is a problem that the shape...
TSUDA Seiya, IWAHORI Yuji, KASUGAI Kunio
Technical report of IEICE. PRMU   114(41) 25-30   May 2014
VBW (Vogel-Breu&ss;-Weickert) model is proposed as a method to recover 3D shape under the condition of point light source illumination and perspective projection. However, VBW model recovers the relative shape but there is a problem that the shape...
ISHIDA Shuya, FUKUI Shinji, IWAHORI Yuji
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   113(432) 153-158   Feb 2014
A new shadow detection method is proposed in this paper. The proposed method is based on the shadow model. The model is constructed by features robust to illumination changes. The method uses four features: (1) the difference of the UV components ...
ISHIDA Shuya, FUKUI Shinji, IWAHORI Yuji
Technical report of IEICE. PRMU   113(431) 153-158   Feb 2014
A new shadow detection method is proposed in this paper. The proposed method is based on the shadow model. The model is constructed by features robust to illumination changes. The method uses four features: (1) the difference of the UV components ...
岩堀 祐之, 中川 拓哉
情報科学リサーチジャーナル   20 105-108   Mar 2013
Ishida Shuya, Fukui Shinji, Iwahori Yuji
Proceedings of the IEICE General Conference   2013(2)    Mar 2013
Yamaguchi Daiki, Iwahori Yuji, Fukui Shinji, Nakamura Tsuyoshi, Kasugai Kunio
Proceedings of the IEICE General Conference   2013(2)    Mar 2013
山口 大輝, 岩堀 祐之, 福井 真二
ファジィシステムシンポジウム講演論文集   28 468-473   Sep 2012
Tatematsu Keita, Iwahori Yuji, Nakamura Tsuyoshi, Fukui Shinji
Proceedings of the IEICE General Conference   2012(2)    Mar 2012
岩堀 祐之, 藤吉 弘亘, 福井 真二, 河中 治樹
情報科学リサーチジャーナル   19(0) 19-32   Mar 2012
SHINOHARA Takayuki, IWAHORI Yuji, FUKUI Shinji, KASUGAI Kunio
電子情報通信学会技術研究報告. MI, 医用画像   111(389) 305-310   Jan 2012
Shinohara Takayuki, Iwahori Yuji, Fukui Shinji, Kasugai Kunio
IEICE technical report.   111(389) 305-310   Jan 2012
In the medical examination with an endoscope on the medical scene, the automatic polyp detection is aimed to support the manipulation of the endoscope. This paper proposes a method which the polyp is detected using Hessian filter. First, a region ...
Shinohara Takayuki, Iwahori Yuji, Fukui Shinji, Kasugai Kunio
情報科学技術フォーラム講演論文集   10(2) 525-526   Sep 2011
Takechi Keisuke, Fukui Shinji, Iwahori Yuji
Proceedings of the IEICE General Conference   2011(2)    Feb 2011
Iwai Kazuki, Iwahori Yuji, Kawanaka Haruki, Kasugai Kunio
Proceedings of the IEICE General Conference   2010(2)    Mar 2010
岩堀 祐之, 藤吉 弘亘, 福井 真二
Journal of information science   17 37-48   Mar 2010
DING Yi, IWAHORI Yuji, NAKAMURA Tsuyoshi, HE Lifeng, ITOH Hidenori
IEICE technical report   109(249) 115-120   Oct 2009
This paper describes a new approach for self-calibration and color image rendering using radial basis function (RBF) neural network. Most empirical approaches make use of a calibration object. Here, we require no calibration object to both shape r...
Yamakoshi Yusuke, Kawanaka Haruki, Iwahori Yuji
Proceedings of the IEICE General Conference   2009(2)    Mar 2009
Nakagawa Takashi, Iwahori Yuji, Fukui Shinji, Kawanaka Haruki
Proceedings of the IEICE General Conference   2008(2)    Mar 2008
岩堀 祐之, 藤吉 弘亘, 福井 真二
Journal of information science   15 101-107   Mar 2008
Enda Naoki, Fujikawa Takuya, Fukui Shinji, Iwahori Yuji
第7回情報科学技術フォーラムFIT2008   325-328   2008
Nakagawa Takashi, Iwahori Yuji, Fukui Shinji, Kawanaka Haruki
情報科学技術レターズ   6 237-240   Aug 2007
Shimizu Shoichi, Fujiyoshi Hironobu, Iwahori Yuji, Sakai Hiroshi, Kanade Takeo
情報科学技術レターズ   6 425-428   Aug 2007
Enda Naoki, Iwahori Yuji, Fukui Shinji, Kawanaka Haruki
情報科学技術フォーラム一般講演論文集   6(3) 13-16   Aug 2007
Matsubara Fuminori, Kawanaka Haruki, Iwahori Yuji
情報科学技術フォーラム一般講演論文集   6(3) 75-78   Aug 2007
Goda Yutaka, Iwahori Yuji, Nakamura Tsuyoshi, Kawanaka Haruki, Itoh Hidenori
情報科学技術フォーラム一般講演論文集   6(3) 89-92   Aug 2007
Kojima Takashi, Iwahori Yuji, Nakamura Tsuyoshi, Fukui Shinji, Ito Hidenori
情報科学技術フォーラム一般講演論文集   6(3) 129-132   Aug 2007
Matsubara Fuminori, Kawanaka Haruki, Iwahori Yuji
Proceedings of the IEICE General Conference   2007(2)    Mar 2007
Nakagawa Takashi, Iwahori Yuji, Fukui Shinji, Kawanaka Haruki
Proceedings of the IEICE General Conference   2007(2)    Mar 2007
Enda Naoki, Iwahori Yuji, Kawanaka Haruki, Fukui Shinji
Proceedings of the IEICE General Conference   2007(2)    Mar 2007
岩堀 祐之, 藤吉 弘亘, 福井 真二
Journal of information science   14 123-140   Mar 2007
KAWANAKA Haruki, IWAHORI Yuji, WOODHAM Robert J., FUNAHASHI Kenji
IEICE technical report   106(260) 7-12   Sep 2006
We have proposed Neural Network Based Rendering to generate a realistic virtual image of an object under any light source direction and any viewing direction, according to the physical reflectance property of an actual object. This method can gene...
KAWANAKA Haruki, IWAHORI Yuji, WOODHAM Robert J., FUNAHASHI Kenji
IEICE technical report   106(262) 7-12   Sep 2006
We have proposed Neural Network Based Rendering to generate a realistic virtual image of an object under any light source direction and any viewing direction, according to the physical reflectance property of an actual object. This method can gene...
KAWANAKA Haruki, IWAHORI Yuji, WOODHAM Robert J., FUNAHASHI Kenji
IEICE technical report   106(264) 7-12   Sep 2006
We have proposed Neural Network Based Rendering to generate a realistic virtual image of an object under any light source direction and any viewing direction, according to the physical reflectance property of an actual object. This method can gene...
Kawanaka Haruki, Iwahori Yuji, Takai Toshihiro
情報科学技術レターズ   5 175-178   Aug 2006
KAWANAKA Haruki, FUJIYOSHI Hironobu, IWAHORI Yuji
IEICE technical report   106(73) 1-6   May 2006
In this paper, we propose the new method to track the human head by using the location and color information. Some previous methods, which use multiple cameras, are performed inside two dimensional images. But, we expand it to the tracking in thre...
KAWANAKA Haruki, FUJIYOSHI Hironobu, IWAHORI Yuji
電子情報通信学会技術研究報告. PRMU, パターン認識・メディア理解   106(73) 1-6   May 2006
KAWANAKA Haruki, FUJIYOSHI Hironobu, IWAHORI Yuji
IEICE technical report   106(75) 1-6   May 2006
In this paper, we propose the new method to track the human head by using the location and color information. Some previous methods, which use multiple cameras, are performed inside two dimensional images. But, we expand it to the tracking in thre...
Okada Shinya, Takai Toshihiro, Kawanaka Haruki, Iwahori Yuji
Proceedings of the IEICE General Conference   2006(2)    Mar 2006
MIZUNO Hiroki, FUJIYOSHI Hironobu, IWAHORI Yuji
IPSJ SIG Notes. CVIM   2005(38) 97-102   May 2005
Three dimensional scene flow can be estimated from information of the object's surface and depth map of the scene based on camera parameters obtained by strong calibration. However, increasing the number of cameras increases labor of the calibrati...
KAWANAKA Haruki, IWAHORI Yuji
Proceedings of the IEICE General Conference   2005(2)    Mar 2005
KAWANAKA Haruki, IWAHORI Yuji
Proceedings of the IEICE General Conference   2004(2)    Mar 2004
SEKIYA TAKAYUKI, ONOUE YOSHIYUKI, YAMAGUCHI KAZUNORI, IWAHORI YUJI, NAKANISHI MICHIO, FUJII YASUO
IPSJ SIG Notes   2004(13) 9-16   Feb 2004
To understand the fundamental principle of computer and network is indispensable in working actively in information society, because the information technology is being improved rapidly. We propose "Simulator for Learning Computer Literacy," the t...
FUNAHASHI Kenji, KOMURA Kazunari, IWAHORI Yuji
Proceedings of the Virtual Reality Society of Japan,annual conference   8 529-532   Sep 2003
KOMURA Kazunari, FUNAHASHI Kenji, IWAHORI Yuji, IWATA Akira
Proceedings of the Virtual Reality Society of Japan,annual conference   7 177-180   Sep 2002
Matsuura Taiki, Funabashi Kenji, Iwahori Yuji
Proceedings of the IEICE General Conference   2001    Mar 2001
Ando Shinobu, Funabashi Kenji, Iwahori Yuji, Iwata Akira
Proceedings of the IEICE General Conference   2001    Mar 2001
Ogawa Takahiro, Iwahori Yuji
Proceedings of the IEICE General Conference   2001(1)    Mar 2001
Watanabe Yumi, Iwahori Yuji
Proceedings of the IEICE General Conference   2001(2)    Mar 2001
Masuda Ken'ichi, Iwahori Yuji
Proceedings of the IEICE General Conference   2001(2)    Mar 2001
Kawanaka Haruki, Iwahori Yuji, Iwata Akira
Proceedings of the IEICE General Conference   2001(2)    Mar 2001
Fukui Shinji, Iwahori Yuji, Iwata Akira
Proceedings of the Society Conference of IEICE   2000    Sep 2000
FUKUI Shinji, IWAHORI Yuji, FUNAHASHI Kenji, IWATA Akira
Technical report of IEICE. PRMU   100(44) 23-30   May 2000
This paper proposes a new approach to recover the local sign of the Gaussian curvature using multiple shading images without information of the surface reflectance function and the directions of light sources. The method has some advantages that i...
FUNAHASHI Kenji, IWAHORI Yuji
Technical report of IEICE. Multimedia and virtual environment   99(723) 25-30   Mar 2000
This paper describes a new method to realize an interactive manipulation of virtual liquid using a virtual case. The proposed model represents the liquid in the free fall condition as particles, while it does that in the stay condition as volume. ...
Hidekazu TANAKA, Yuji IWAHORI, Naohiro ISHII
Journal of Toyota College of Technology   30 41-46   Dec 1997
Fukui Shinji, Iwahoro Yuji, Iwata Akira
Proceedings of the IEICE General Conference   2000(2)    Mar 2000
MURAKAMI Masamitsu, IWAHORI Yuji, WOODHAM Robert J., ISHII Naohiro
IPSJ SIG Notes. CVIM   1997(31) 23-30   Mar 1997
This paper proposes a new photometric method to recover the local curvature sign using neural network. RBF neural network maps the image irradiances at the neighbor pixels for the test object taken from three different illuminating directions onto...
NISHITANI Katsuaki, KATAGIRI Tetsuya, YAMAUCHI Koichiro, IWAHORI Yuji, ISHII Naohiro
IEICE technical report. Neurocomputing   96(430) 143-150   Dec 1996
In early life, we can learn spoken words only by hearing them. This suggests that our learning process of spoken words is fundamentally an unsupervised learning process. However, it is very difficult to realize such the learning process using conv...
KATO Wataru, IWAHORI Yuji, ISHII Naohiro
IEICE technical report. Neurocomputing   96(430) 151-158   Dec 1996
This paper proposes neural network based photometric stereo using the illumination planning, as one of the physics based vision approach. When we use the multiple light sources more than three, some of the light sources make cast shadow area for t...
Hidekazu Tanaka, Yuji Iwahori, Naohisa Ishii
Journal of Toyota College of Technology   29 43-50   Dec 1996
Hidekazu Tanaka, Yuji Iwahori, Naohisa Ishii
Journal of Toyota College of Technology   29 51-58   Dec 1996
ISOMOTO Yukuo, YOSHINE Katsumi, YAMASAKI Hatsuo, NOZAKI Hironari, OGURI Kouji, IWAHORI Yuji
日本教育工学雑誌   19(3) 159-170   Dec 1995
Oguri Koji, Takagi Hiromitsu, Li Dingchao, Iwahori Yuji, Kaiya Kunio, Ohno Naoko, Kawaguchi Kimio
Bulletin of Nagoya Institute of Technology   46 313-318   Mar 1995
Sano Hideki, Iwahori Yuji, Ishii Naohiro
IEICE technical report. Neurocomputing   NC93-135   1994
This paper proposes a function which estimates the degree of dependence of an output unit on an input unit in a given multi- layer neural network.This evaluated value enables the estimation of the functional structure in a given network without af...
Isomoto Yukuo, Yoshine Katumi, Oguri Kouji, Iwahori Yuuji
IEICE technical report. Education technology   93(105) 15-22   1993
Information literacy becomes important in our ordinary lives, owing to recent advancement of the informalion technologies.Even schools and universities have had the courses for information literacy.On such the social background,the authors design ...
岩堀 祐之, 杉江 日出澄, 岡崎 明彦, 貝谷 邦夫, 大野 直子
Bulletin of Nagoya Institute of Technology   (41) p151-157   1989
Extended Photometric Stereo for an Object with Unknown Reflectance Property
J71-D(1) 110-117   1988
Point Source Illumination Stereo
J71-A(4) 1035-1043   1988
Point Source Illumination Stereo for Objects with Uniform Reflectance
J71-D(10) 2086-2094   1988
Determining Surface Orientation from Directional Derivatives of Shading Image by Slightly Varied Illuminating Directions
J76-D-II(5) 1076-1079   1993
Classification of Surface Curvature from Shading Images Using Neural Network and Illumination Planning
Proceedings of 画像の理解・認識シンポジウム (MIRU'98)   I 319-324   1998
Classification of Surface Curvature from Shading Images Using Neural Network and Illumination Planning
J83-D-II(2) 610-622   2000
Robust Method of Background Subtraction under Illumination Change
Proceedings of MIRU2004      2004
Agent Learning Based on the Genetic Network Programming Using Immune Evolutional Computating
Trans. of IEE (Institute of Electrical Engineering in Japan)   Vol.125-C, (in Japanese) pp.637-644    2005
Faster Approach for Robust Detection of Moving Objects under the Illumination Change Using GPU
SSII05 (11th Symposium on Sensing via Image Information) (in Japanese)      2005
Tracking of Moving Objects Using Multiple Fixed Camera
SSII05 (11th Symposium on Sensing via Image Information) (in Japanese)      2005
Robust Method under the Illumination Change Using Color Video Images
MIRU2005 (Meeting on Image Recognition and Understanding) (in Japanese)      2005
Increasing Efficiency of Particle Filtering using Adaboost
Proceedings of MIRU2006 (Meeting on Image Recognition and Understanding), IS1-5      2006
A Method for Estimating Object Motion by Three Dimensional Scene Flow Using Multiple Cameras
Proceedings of MIRU2006 (Meeting on Image Recognition and Understanding), IS1-37      2006
Mean-Shift Based Color Tracking Through Illumination Space
Proceedings of MIRU2006 (Meeting on Image Recognition and Understanding), IS3-22      2006
Robust Particle Filter for Background, Illumination and Target Size
FIT2006, Forum on Information Technology, LI-004 (2006)      2006
Realtime Extraction of Moving Object Using Hi-Vision Image Sequence (in Japanese)
DIA2007 (Dynamic Image Processing Application Workshop 2007) I1-10 (in Japanese)      2007
Modification of 3-D Scene Flow and Motion Estimation Using Subspace Constraint
IEICE Trans. J90-D, No.8, pp.2019-2027 (in Japanese)      2007
Color Tracking Using Mean Shift to Illumination Change
IEICE Trans.J90-D, No.8, pp.2039-2048 (in Japanese)      2007
Increasing Accuracy for Gaussian Curvature from Shading Images
IT Letters, FIT2007, LH-009 (in Japanese)      2007
Recognition of Road Structure Using Multiple Cameras
IT Letters, FIT2007, LM-007 (in Japanese)      2007

Books etc

 
Yuji Iwahori (Part:Supervisor)
NTS Inc.   May 2015   ISBN:4860434285
Toriceps
Triceps   2013   ISBN:9784886577474
Shoko-do   Oct 2005   ISBN:4785631546
Baifukan   Apr 2005   ISBN:4563015555
Shoko-do   Apr 1998   ISBN:4785631090
Baifukan   Nov 1997   ISBN:4563013935
Fundamentals of Computer Science
Kodansha Scientific   1996   
FORTRAN77 and Numerical Calculation Method
Baifukan   1991   
Education for Information Processing: PC and BASIC
Baifukan   1991   

Conference Activities & Talks

 
Keynote Speech: Application of Computer Vision to Endoscope Image and SEM Images Using Neural Network Learning [Invited]
IWAHORI Yuji
Smart Robotics Congress 2018   11 Sep 2018   
Guest Lecture: Neural Network Based Rendering for Computer Graphics [Invited]
IWAHORI Yuji
Ohio University IEW (International Education Week)   16 Nov 2017   
Public Lecture: Endoscope Image Analysis using Neural Network Learning- Computer Vision Approach - [Invited]
IWAHORI Yuji
Ohio University IEW (International Education Week)   15 Nov 2017   
Keynote Speech: 3D Shape Recovery and Pattern Classification Using Neural Network Learning
IWAHORI Yuji
KES 2017   7 Sep 2017   
Invited Talk: Medical Image Analysis and Pattern Classification using Machine Learning Approach [Invited]
IWAHORI Yuji
Chulalongkorn University   24 Aug 2017   
Keynote Speech: 3D Shape Recovery and Pattern Classification Using Neural Network Learning [Invited]
IWAHORI Yuji
Industrial 4.0 Seminar, Rajamangara University of Technology Krungthep   18 Aug 2017   
Applicaiton of Shape Recovery and Pattern Classification to Medical Endoscope Image [Invited]
IWAHORI Yuji
Special Lecture of Graduate School of Kyushu Institute of Technology   2 Aug 2017   
Panel Discussion: Challenges in Managing Fleets of Drones and Driverless Cars [Invited]
IWAHORI Yuji
PATTERNS 2017   Feb 2017   
Invited Talk: 3D Shape Recovery and Pattern Classification Using Neural Network Learning [Invited]
IWAHORI Yuji
Chulalongkorn University   15 Aug 2016   
Keynote Speech: 3D Shape Analysis and Object Detection in Computer Vision [Invited]
IWAHORI Yuji
Chulalongkorn University   14 Aug 2015   
Invited Talk: 3D Shape Analysis and Object Detection in Computer Vision [Invited]
IWAHORI Yuji
UBC Computer Science   4 Mar 2013   
招待講演: Application of Neural Network to Shape Modeling and Image Rendering in Computer Vision [Invited]
IWAHORI Yuji
SCIS & ISIS 2008   Sep 2008   
Neural Network Based Rendering for Mixed Reality [Invited]
IWAHORI Yuji
Public Lecture, Nagoya University   Jun 2003   
Usage of Computer and Network for IT Age
IWAHORI Yuji
Public Lecture, Nagoya Institute of Technology   Jun 2002   
Background and Consideration of Information and Media Technology
IWAHORI Yuji
Public Lecture, Nagoya Institute of Technology   Dec 2001   
Environment of Education System for Information Processing towards 21 Century [Invited]
IWAHORI Yuji
Aichi Prefectural University   Mar 1999   
Background and Practice of Internet [Invited]
IWAHORI Yuji
Public Lecture, Nagoya Institute of Technology   Jun 1996   

Research Grants & Projects

 
Smart Transport Strategy for Thailand 4.0: Realizing better quality of life and low-carbon society
JST and JICA: SATREPS Project (One of Project Member)
Project Year: Apr 2017 - Mar 2021    Investigator(s): Yoshitsugu Hayashi
Development of Medical Diagnosis Supporting System for Endoscope Image and Cell Image
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2017 - Mar 2020    Investigator(s): Yuji Iwahori
Touch Communication Robot Modeling Hearing Dog
JSPS: Grant-in-Aid for Scientific Research (B)
Project Year: Apr 2015 - Mar 2018    Investigator(s): Tsuyoshi Nakamura
utomatic Polyp Recognition and Shape and Size Recovery for Medical Endoscopy Diagnosis
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2014 - Mar 2017    Investigator(s): Yuji Iwahori
Shape Recovery and Polyp Recognition from Endoscope Image for Supporting Medical Diagnosis
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2011 - Mar 2014    Investigator(s): Yuji Iwahori
Development of Shape Recovery Method for Endoscope Image Using Point Light Source Illumination
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2008 - Mar 2011    Investigator(s): Yuji Iwahori
Construction of System of 3-D Modeling and Virtual Image Generation for Mixed Reality
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2004 - Mar 2007    Investigator(s): Yuji Iwahori
Productive English Education System for Japanese Engineers-Analysis of Academic Papers and Oral expressions
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Mar 2006 - Apr 2003    Investigator(s): Chikako Matsuura
Computational Study on Recognition and Memory in the Asymmetric <symmetric Neural Networks
JSPS: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2000 - Mar 2002    Investigator(s): Naohiro Ishii
Computer Vision
Neural Network
Image Recognition and Pattern Recognition
Mixed Reality
e-learning