研究業績

1. Responsibility Evaluation in Vehicle Collisions from Driving Recorder Videos Using Open Data
• Helton Agbewonou Yawovi, Masato Kikuchi, Tadachika Ozono
• IEEE Access, vol.12, pp.49962-49975, 2024.
• IF=3.9、SJR=0.926、Q1 Journal。
2. Semi-Automatic Category Estimation and Data Augmentation for Opinion Extraction of Product Components
• Shogo Anda, Masato Kikuchi, Tadachika Ozono
• International Journal of Service and Knowledge Management, vol.7, no.2, 17 pages, 2023.
3. Developing an AR Lecture Recording System with Direct Manipulation of Virtual Slides by Physical Objects
• Yuma Ito, Masato Kikuchi, Tadachika Ozono
• International Journal of Service and Knowledge Management, vol.7, no.1, 20 pages, 2023.
4. 特徴選択を導入した低・ゼロ頻度N-gramの効率的なゆう度比推定法
• 菊地真人, 吉田光男, 梅村恭司, 大囿忠親
• 電子情報通信学会論文誌 D, vol.J106-D, no.1, pp.14-25, 2023.
• FIT2021推薦論文。
• [機関リポジトリ（無償公開）]
5. Who Was Wrong? An Object Detection Based Responsibility Assessment System for Crossroad Vehicle Collisions
• Helton Agbewonou Yawovi, Masato Kikuchi, Tadachika Ozono
• AI, vol.3, no.4, pp.844-862, 2022.
• IF=3.1、SJR=0.76、Q2 Journal (2023)。
6. Unified Likelihood Ratio Estimation for High- to Zero-frequency N-grams
• Masato Kikuchi, Kento Kawakami, Kazuho Watanabe, Mitsuo Yoshida, Kyoji Umemura
• IEICE Trans. Fundamentals, vol.E104-A, no.8, pp.1059-1074, 2021.
• [機関リポジトリ（無償公開）][arXiv.org (無償公開)]
7. 観測頻度に基づくゆう度比の保守的な直接推定
• 菊地真人, 川上賢十, 吉田光男, 梅村恭司
• 電子情報通信学会論文誌 D, vol.J102-D, no.4, pp.289-301, 2019.
• [機関リポジトリ（無償公開）][Zenodo（データセット）]
8. 条件付き確率の保守的な推定
• 菊地真人, 山本英子, 吉田光男, 岡部正幸, 梅村恭司
• 電子情報通信学会論文誌 D, vol.J100-D, no.4, pp.544-555, 2017.
• [機関リポジトリ（無償公開）][実験結果（補足）]

1. Enhancing False-Sentence Pairs of BERT-pair for Low-Frequency Aspect Category Detection
• Masato Kikuchi, Shogo Anda, Tadachika Ozono
• The 37th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE 2024)
• Advances and Trends in Artificial Intelligence. Theory and Applications. LNCS, vol.14748, pp.135-146, 2024.
• Hradec Kralove, Czech Republic. July 10-12, 2024
• [無償公開][[Slides, Q&A]
2. Delay Risk Detection in Road Construction Projects Utilizing Large Language Model
• Florence Gundidza, Masato Kikuchi, Tadachika Ozono
• The 23rd International Conference on Intelligent Systems Design and Applications (ISDA 2023)
• Intelligent Systems Design and Applications. LNNS, vol.1047, pp.106-115, 2024.
• Multiple Venues. December 11-13, 2023
• [無償公開]
3. Deepfake Detection System for Facial Evidence Verification in Criminal Justice and its Legal and Ethical Implications
• Ebrima Hydara, Masato Kikuchi, Tadachika Ozono
• The 23rd International Conference on Intelligent Systems Design and Applications (ISDA 2023)
• Intelligent Systems Design and Applications. LNNS, vol.1048, pp.107-116, 2024.
• Multiple Venues. December 11-13, 2023
• [無償公開]
4. Lyricist-Singer Entropy Affects Lyric-Lyricist Classification Performance
• Mitsuki Morita, Masato Kikuchi, Tadachika Ozono
• The 10th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2023)
• Proceedings of the 10th International Conference on Advanced Informatics: Concepts, Theory and Applications. 6 pages, 2023.
• Lombok, Indonesia. October 7-9, 2023
• [arXiv.org (無償公開)]
5. AiDashcam: A Vehicle Collision Responsibility Evaluation System based on Object Detection and OpenStreetMap
• Helton Agbewonou Yawovi, Masato Kikuchi, Tadachika Ozono
• The 30th International Conference on Systems Engineering (ICSEng 2023)
• Advances in Systems Engineering. LNNS, vol.761, pp.12-21, 2023.
• Las Vegas, NV, USA. August 22-24, 2023
• [無償公開]
6. Direct West African Dishes Recognition and Calorie Classification with Small Dataset
• Ezoa Avotchi Michel Djangoran, Masato Kikuchi, Tadachika Ozono
• The 30th International Conference on Systems Engineering (ICSEng 2023)
• Advances in Systems Engineering. LNNS, vol.761, pp.318-327, 2023.
• Las Vegas, NV, USA. August 22-24, 2023
• [無償公開]
7. Development and Experiment of Classroom Engagement Evaluation Mechanism During Real-Time Online Courses
• Yanyi Peng, Masato Kikuchi, Tadachika Ozono
• The 24th International Conference on Artificial Intelligence in Education (AIED 2023)
• Artificial Intelligence in Education. LNCS, vol.13916, pp.590-601, 2023.
• Tokyo, Japan. July 3-7, 2023
• CORE Rank A、採択率21.11%。
• [無償公開][Slides, Q&A]
8. Consideration of Language Learning Service with Visualized Vocabulary Map Derived from WordNet
• Masatsugu Ono, Toshioki Soga, Masato Kikuchi, Tetsu Tanabe
• The 8th International Conference on Business and Industrial Research (ICBIR 2023)
• Proceedings of the 8th International Conference on Business and Industrial Research. pp.1194-1198, 2023.
• Bangkok, Thailand. May 18-19, 2023
• [無償公開]
9. Improving Multi-class Classifier Using Likelihood Ratio Estimation with Regularization
• Masato Kikuchi, Tadachika Ozono
• The 9th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2022)
• Proceedings of the 9th International Conference on Advanced Informatics: Concepts, Theory and Applications. 6 pages, 2022.
• Aichi, Japan. September 28-29, 2022
• [arXiv.org (無償公開)][Slides]
10. Conservative Likelihood Ratio Estimator for Infrequent Data Slightly above a Frequency Threshold
• Masato Kikuchi*, Yuhi Kusakabe*, Tadachika Ozono
• The 9th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2022)
• Proceedings of the 9th International Conference on Advanced Informatics: Concepts, Theory and Applications. 6 pages, 2022.
• Aichi, Japan. September 28-29, 2022
• * Equal Contributors
• [arXiv.org (無償公開)]
11. Developing a Meta-AR Space Construction System and Mapping Coverage Visualization
• Koki Yasue, Masato Kikuchi, Tadachika Ozono
• The 29th International Conference On Systems Engineering (ICSEng 2022)
• Applied Systemic Studies. LNNS, vol.611, pp.222-231, 2023.
• Tokyo, Japan. August 23-25, 2022
• [無償公開]
12. Developing a Component Comment Extractor from Product Reviews on E-Commerce Sites
• Shogo Anda, Masato Kikuchi, Tadachika Ozono
• The 14th International Conference on E-Service and Knowledge Management (ESKM 2022)
• Proceedings of the 12th International Congress on Advanced Applied Informatics. pp.83-88, 2022.
• Kanazawa, Japan. July 2-7, 2022
• Honorable Mention Award。
• [arXiv.org (無償公開)]
13. Matching Social Issues to Technologies for Civic Tech by Association Rule Mining using Weighted Casual Confidence
• Masato Kikuchi, Shun Shiramatsu, Ryota Kozakai, Tadachika Ozono
• The 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2021)
• Proceedings of the 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology. pp.68-75, 2021.
• Melbourne, Australia. December 14-17, 2021
• Special Track on Social Computing。DBSJ Newsletter 2022年2月号に掲載されました（こちら）。
• [arXiv.org (無償公開)][Slides]
14. Product Information Browsing Support System Using Analytic Hierarchy Process
• Weijian Li, Masato Kikuchi, Tadachika Ozono
• The 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2021)
• Proceedings of the 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology. pp.623-628, 2021.
• Melbourne, Australia. December 14-17, 2021
• CORE Rank B。
• [arXiv.org (無償公開)]
15. Online Classroom Evaluation System Based on Multi-Reaction Estimation
• Yanyi Peng, Masato Kikuchi, Tadachika Ozono
• The 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2021)
• Proceedings of the 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology. pp.500-505, 2021.
• Melbourne, Australia. December 14-17, 2021
• CORE Rank B。
• [arXiv.org (無償公開)]
16. Analysis of Interests of Civic Tech Communities in Japan towards Developing Civic Tech Community Recommendation System
• Ryota Kozakai, Shun Shiramatsu, Masato Kikuchi, Tadachika Ozono, Akira Kamiya, Tetsuji Ishii
• The 16th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2021)
• 5 pages, 2021.
• Bangkok, Thailand. November 24-26, 2021
17. Feature Selective Likelihood Ratio Estimator for Low- and Zero-frequency N-grams
• Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura, Tadachika Ozono
• The 8th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2021)
• Proceedings of the 8th International Conference on Advanced Informatics: Concepts, Theory and Applications. 6 pages, 2021.
• Online Virtual Conference (Indonesia). September 29-30, 2021
• [arXiv.org (無償公開)]
18. Developing a Lecture Video Recording System Using Augmented Reality
• Yuma Ito, Masato Kikuchi, Tadachika Ozono, Toramatsu Shintani
• The 12th International Conference on E-Service and Knowledge Management (ESKM 2021)
• Proceedings of the 10th International Congress on Advanced Applied Informatics. pp.65-70, 2021.
• Online Virtual Conference (Japan). July 11-16, 2021
• [arXiv.org (無償公開)]
19. Development of an Extractive Title Generation System Using Titles of Papers of Top Conferences for Intermediate English Students
• Kento Kaku, Masato Kikuchi, Tadachika Ozono, Toramatsu Shintani
• The 12th International Conference on E-Service and Knowledge Management (ESKM 2021)
• Proceedings of the 10th International Congress on Advanced Applied Informatics. pp.59-64, 2021.
• Online Virtual Conference (Japan). July 11-16, 2021
• [arXiv.org (無償公開)]
20. Improving Association Rule Mining for Infrequent Items Using Direct Importance Estimation
• Toshiki Aoba, Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
• The 7th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2020)
• Proceedings of the 7th International Conference on Advanced Informatics: Concepts, Theory and Applications. 5 pages, 2020.
• Online Virtual Conference (Japan). September 8-9, 2020
21. Improving Estimation of Conditional Probability for Determining Importance of a Bigram
• Toshiki Aoba, Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
• The 12th International Conference on Knowledge and Smart Technology (KST 2020)
• Proceedings of the 12th International Conference on Knowledge and Smart Technology. pp.145-148, 2020.
• Pattaya, Thailand. January 29-February 1, 2020
22. Journal Name Extraction from Japanese Scientific News Articles
• Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
• 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2018)
• Proceedings of the 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference. pp.143-148, 2018.
• Honolulu, Hawaii, USA. November 12-15, 2018
• [arXiv.org (無償公開)]
23. Direct Estimation of Likelihood Ratio for the Analysis of Context
• Kento Kawakami, Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
• The 5th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2018)
• Proceedings of the 5th International Conference on Advanced Informatics: Concepts, Theory and Applications. 6 pages, 2018.
• Krabi, Thailand. August 14-17, 2018
24. Finding Association Rules by Direct Estimation of Likelihood Ratios
• Kento Kawakami, Masato Kikuchi, Mitsuo Yoshida, Eiko Yamamoto, Kyoji Umemura
• The 2017 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2017)
• Proceedings of the 2017 International Conference on Advanced Informatics: Concepts, Theory and Applications. 5 pages, 2017.
• Denpasar, Indonesia. August 16-18, 2017
• [arXiv.org (無償公開)]
25. Using Conservative Estimation for Conditional Probability instead of Ignoring Infrequent Case
• Masato Kikuchi, Eiko Yamamoto, Mitsuo Yoshida, Masayuki Okabe, Kyoji Umemura
• The 2016 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2016)
• Proceedings of the 2016 International Conference on Advanced Informatics: Concepts, Theory and Applications. 5 pages, 2016.
• Penang, Malaysia. August 16-19, 2016
• [arXiv.org (無償公開)]
26. Confidence Interval of Probability Estimator of Laplace Smoothing
• Masato Kikuchi, Mitsuo Yoshida, Masayuki Okabe, Kyoji Umemura
• The 2015 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2015)
• Proceedings of the 2015 International Conference on Advanced Informatics: Concepts, Theory and Applications. 6 pages, 2015.
• Chonburi, Thailand. August 19-22, 2015
• [arXiv.org (無償公開)][Confidence Intervals]

1. WordNet収録データの可視化による語彙学習サービスに向けた語彙関係表示システムの開発
• 小野真嗣, 曽我聡起, 菊地真人, 田邉鉄
• CIEC春季カンファレンス2024. 2024年3月.

• 統計量の保守的な推定に関する実証的研究
• 令和2年度 豊橋技術科学大学大学院 工学研究科 情報・知能工学専攻 博士学位論文
• 2021年3月
• 内容・審査の要旨