NAOKAZU TANIGUCHI

Last Updated :2025/07/09

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
E-mail
ntaniguchihiroshima-u.ac.jp
Other Contact Details
4-1, Kagamiyama 1-chome, Higashi-Hiroshima, Japan
TEL : (+81)82-424-6436 FAX : (+81)
Self-introduction
I conduct observation-based oceanographic research with the aim of contributing to maritime transportation systems. My work focuses on the analysis of oceanographic and maritime-related data, with a strong emphasis on data science methodologies.

Basic Information

Major Professional Backgrounds

  • 2013/08, 2018/02, National Taiwan University, PostDoctral Researcher
  • 2018/03/01, 2020/03/31, Hiroshima University, Graduate School of Engineering, Assistant Professor

Academic Degrees

  • Hiroshima University
  • Hiroshima University

In Charge of Primary Major Programs

  • Vehicle and Environmental Systems

Affiliated Academic Societies

  • The Oceanographic Society of Japan
  • The Acoustical Society of Japan
  • Marine Acoustic Society of Japan
  • The Japan Society of Naval Architects and Ocean Engineers
  • The Acoustical Society of America

Educational Activity

Course in Charge

  1. 2025, Liberal Arts Education Program1, 4Term, Science of Vehicle and Transportation
  2. 2025, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  3. 2025, Undergraduate Education, First Semester, Technical English
  4. 2025, Undergraduate Education, 2Term, Basic Engineering Computer Programming
  5. 2025, Undergraduate Education, Second Semester, Transportation Systems Project
  6. 2025, Undergraduate Education, Year, Graduation Thesis
  7. 2025, Graduate Education (Master's Program) , 1Term, Special Exercises on Transportation and Environmental Systems A
  8. 2025, Graduate Education (Master's Program) , 2Term, Special Exercises on Transportation and Environmental Systems A
  9. 2025, Graduate Education (Master's Program) , 3Term, Special Exercises on Transportation and Environmental Systems B
  10. 2025, Graduate Education (Master's Program) , 4Term, Special Exercises on Transportation and Environmental Systems B
  11. 2025, Graduate Education (Master's Program) , Year, Special Study on Transportation and Environmental Systems
  12. 2025, Graduate Education (Master's Program) , 4Term, Observational Physical Oceanography
  13. 2025, Graduate Education (Doctoral Program) , Year, Special Study on Transportation and Environmental Systems

Research Activities

Academic Papers

  1. Investigation of Differential Acoustic Travel Times (DTT) in a Stratified Lake at Superkilometer Ranges, 2025 IEEE Underwater Technology (UT), 20250408
    Link to Paper Search Results by DOI
  2. Measurements of Differential Acoustic Travel Times at a Carrier Frequency of 5 kHz in a River Reach at a Range of 1.13 km, 2025 IEEE Underwater Technology (UT), 20250408
    Link to Paper Search Results by DOI
  3. Investigation for Improvements in the Reconstruction of Tidal Currents by Coastal Acoustic Tomography with Data Assimilation, 2025 IEEE Underwater Technology (UT), 20250408
    Link to Paper Search Results by DOI
  4. Development of marine accident probability prediction model for pleasure boats using ship accident database in central part of Seto Inland Sea, OCEAN ENGINEERING, 322, 20250401
    Link to Paper Search Results by DOI
  5. Global Pipe Optimization for Ship Engine Room, Journal of Marine Science and Engineering, 12(1803), 20241010
    Link to Paper Search Results by DOI
  6. Application of coastal acoustic tomography: calibration of open boundary conditions on a numerical ocean model for tidal currents, FRONTIERS IN MARINE SCIENCE, 11, 20240319
    Link to Paper Search Results by DOI
  7. Development of Marine Accident Probability Prediction Model of Small-Size Ship by Using Ship Accident Database of the Central Seto Inland Sea, Proceedings of 10th PAAMES and AMEC 2023, 20231018
  8. Automatic Detection of Floating Macroalgae via Adaptive Thresholding Using Sentinel-2 Satellite Data with 10 m Spatial Resolution, REMOTE SENSING, 15(8), 20230412
    Link to Paper Search Results by DOI
  9. Quantitatively Mapping Discolored Seawater around Submarine Volcanoes Using Satellite GCOM-C SGLI Data: A Case Study of the Krakatau Eruption in Indonesia in December 2018, GEOHAZARDS, 4(2), 107-120, 20230403
    Link to Paper Search Results by DOI
  10. Reconstruction of horizontal tidal current fields in a shallow water with model-oriented coastal acoustic tomography, FRONTIERS IN MARINE SCIENCE, 10, 20230203
    Link to Paper Search Results by DOI
  11. A reciprocal acoustic transmission experiment for precise observations of tidal currents in a shallow sea, OCEAN ENGINEERING, 219, 20210101
    Link to Paper Search Results by DOI
  12. Numerical re-creation of multi-directional waves in a circular basin using a particle based method, OCEAN ENGINEERING, 209, 20200801
    Link to Paper Search Results by DOI
  13. Tomographic measurement of tidal current and associated 3-h oscillation in Bali Strait, Estuarine, Coastal and Shelf Science, 236, 20200505
  14. Recent studies on ocean acoustic tomography in coastal area, THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN, 75(1), 35-40, 20191225
  15. Harvesting ocean energy with a small-scale tidal-current turbine and fish aggregating device in the Indonesian Archipelagos, Sustainable Energy Technologies and Assessments, 35, 160-171, 20191001
  16. Observing Internal Solitary Waves in the Lombok Strait by Coastal Acoustic Tomography, Geophysical Research Letters, 46(17-18), 10475-10483, 20190901
  17. Short-term variation of the surface flow pattern south of Lombok Strait observed from the Himawari-8 sea surface temperature, Remote Sensing, 11(12), 20190601
  18. Mapping of ocean currents in shallow water using moving ship acoustic tomography, Journal of the Acoustical Society of America, 145(2), 858-868, 20190201
  19. Development and experimental validation of a multidirectional circular wave basin using smoothed particle hydrodynamics, Coastal Engineering Journal, 61(1), 109-120, 20190102
  20. Autonomous underwater vehicle localization using an ocean acoustic tomographic sensor, 2018 OCEANS - MTS/IEEE Kobe Techno-Oceans, OCEANS - Kobe 2018, 20181204
  21. Variation of Residual Current in the Seto Inland Sea Driven by Sea Level Difference Between the Bungo and Kii Channels, Journal of Geophysical Research: Oceans, 123(4), 2921-2933, 20180401
  22. Real-Time Offshore Coastal Acoustic Tomography Enabled With Mirror-Transpond Functionality, IEEE Journal of Oceanic Engineering, 20180101
  23. The estimation of surface flow velocity for Indonesian flow (ITF) using Himawari-8 SST data, Proceedings of SPIE - The International Society for Optical Engineering, 10778, 20180101
  24. Autonomous underwater vehicle localization using ocean tomography sensor nodes, OCEANS 2016 MTS/IEEE Monterey, OCE 2016, 20161128
  25. Estimating temperature and current using a pair of transceivers in a harbor environment, Journal of the Acoustical Society of America, 140(1), EL137-EL142, 20160701
  26. Simulated tomographic reconstruction of ocean current profiles in a bottom-limited sound channel, Journal of Geophysical Research: Oceans, 119, 4999-5016, 20140724
  27. Horizontal ocean current tomography with iterative model weighting constraint, OCEANS 2014 - TAIPEI, 20140101
  28. Acoustic current measurement using travel-time method in Bachimen Harbor, Taiwan, OCEANS 2014 - TAIPEI, 20140101
  29. Measuring the Kuroshio Current with ocean acoustic tomography, Journal of the Acoustical Society of America, 134(4), 3272-3281, 20131017
  30. Mapping tidal current structures in Zhitouyang Bay, China, using coastal acoustic tomography, IEEE Journal of Oceanic Engineering, 38(2), 285-296, 20130101
  31. Currents in the Luzon Strait obtained from moored ADCP observations and a diagnostic calculation of circulation in spring 2008, Dynamics of Atmospheres and Oceans, 58, 20-43, 20121101
  32. Tidal current measurement in the Kurushima Strait by the reciprocal sound transmission method, Acoustical Science and Technology, 33(1), 45-51, 20120106
  33. Reciprocal sound transmission measurement of the 5-day temperature variation in the Kurushima Strait, Acoustical Science and Technology, 33(1), 59-63, 20120106
  34. Reciprocal sound transmission measurement of mean current and temperature variations in the central part (Aki-nada) of the Seto Inland Sea, Japan, Journal of Oceanography, 67(2), 173-182, 20110401
  35. The first Chinese coastal acoustic tomography experiment, OCEANS'10 IEEE Sydney, OCEANSSYD 2010, 20101122
  36. Long-term acoustic tomography measurement of ocean currents at the northern part of the Luzon Strait, Geophysical Research Letters, 37(7), 20100401
  37. Global Pipe Optimization for Ship Engine Room, JOURNAL OF MARINE SCIENCE AND ENGINEERING, 12(10), 202410
    Link to Paper Search Results by DOI
  38. A Study on Modularization and Optimization of Container Vessel Structure to Improve the Efficiency of Inquiry Design, Proceedings of The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 202409
  39. A Study on Hull Structure Drawing Check AI Using k-means Clustering and Convolutional Neural Network, Proceedings of The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 202409
  40. A quantitative analysis of the impact of preprocessing vessel movement data on shipping market forecasting model, Proceedings of The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 202409
  41. Development of Marine Accident Probability Prediction Model in Small Ships Accident-Prone Areas in Japan, Proceedings of The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 202409
  42. Global Optimization of Pipes for Ship Engine Room, Proceedings of The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 202409
  43. Application of Natural Language Processing to Shipyard Data-Design Flaw Extraction from the Defect Report Correction using BERT-, Proceedings of The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 202409
  44. A Study on the Demand Forecasting of Ship Using Ship Allocation Simulator, The 37th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, TEAM 2024 Kure, 202409
  45. A case study on CNN-based Drawing Check AI, Proceedings of The 37th Asian-Pacific Technical Exchanage and Advisory Meeting on Marine Structures, 202409
  46. Experimental and numerical studies on working parameter selections of a piezoelectric-painted-based ocean energy harvester attached to fish aggregating devices, ENERGY FOR SUSTAINABLE DEVELOPMENT, 71, 73-88, 202212
    Link to Paper Search Results by DOI
  47. Analysis of Floating Macroalgae Distribution around Japan Using Global Change Observation Mission-Climate/Second-Generation Global Imager Data, WATER, 14(20), 202210
    Link to Paper Search Results by DOI
  48. Coastal Acoustic Tomography of the Neko-Seto Channel with a Focus on the Generation of Nonlinear Tidal Currents-Revisiting the First Experiment, REMOTE SENSING, 14(7), 202204
    Link to Paper Search Results by DOI
  49. Harvesting contact-separation-compression vibrations using a flexible and compressible triboelectric generator, SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS, 42, 202012
    Link to Paper Search Results by DOI
  50. Revisiting a coastal acoustic tomography experiment in Hiroshima Bay: Temporal variations in path-averaged currents and its relation to wind, APPLIED OCEAN RESEARCH, 102, 202009
    Link to Paper Search Results by DOI
  51. Reproduction of the Marine Debris Distribution in the Seto Inland Sea Immediately after the July 2018 Heavy Rains in Western Japan Using Multidate Landsat-8 Data, remote sensing, 13(24), 2021
    Link to Paper Search Results by DOI
  52. Reciprocal acoustic transmission experiment at Mihara-Seto in the Seto Inland Sea, Japan, Acoustical Science and Technology, 42(5), 290-293, 2021
    Link to Paper Search Results by DOI
  53. Recent progress in ocean acoustic tomography : Study in Kuroshio origin, THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN, 71(8), 409-414, 2015

Invited Lecture, Oral Presentation, Poster Presentation

  1. Application of remote sensing for estimating ocean currents in coastal ocean, Naokazu Taniguchi, 2024/10/11, With Invitation, English, National Taiwan Ocean University, Keelung, Taiwan
  2. Acoustic tomography in a deep stratified lake; toward reliable estimates of large-scale currents by differential travel time, John C. Wells, Naokazu Taniguchi, 186TH MEETING OF THE ACOUSTICAL SOCIETY OF AMERICA, 2024/05/14, Without Invitation, English, THE ACOUSTICAL SOCIETY OF AMERICA, Ottawa, Ontario, Canada
  3. Analysis of the Impact of 2023 IMO Strategy on Reduction of GHG Emissions from Ship Using Ship Allocation Simulator, Yuta Sato, Naokazu Taniguchi, Yujiro Wada, Kunihiro Hamada, Workshop on Environmental Technologies in Naval Architecture and Ocean Engineering (WETNAOE), 2024/11/07, Without Invitation, English, Higashi-Hiroshima, Japan
  4. A Study on Modularization and Optimization of Container Vessel Structure to Improve the Efficiency of Inquiry Design, Hiromune Egusa, Shota Kondo, Tatsumasa Takei, Takahiro Taketsume, Naokazu Taniguchi, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  5. A Study on Hull Structure Drawing Check AI Using k-means Clustering and Convolutional Neural Network, Hiromune Egusa, Motohiko Nakayama, Takahiro Taketsume, Kazutaka Seki, Naokazu Taniguchi, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  6. A quantitative analysis of the impact of preprocessing vessel movement data on shipping market forecasting model, Chihiro Sakoda, Taiga Ito, Yujiro Wada, Naokazu Taniguchi, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  7. Development of Marine Accident Probability Prediction Model in Small Ships Accident-Prone Areas in Japan, Aogi Shintani, Naokazu Taniguchi, Yoshiyuki Nakayama, Takahiro Tanaka, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  8. Global Optimization of Pipes for Ship Engine Room, Allessandro Utomo, Toranosuke Hotta, Naokazu Taniguchi, Tadashi Yoshimoto, Yoshitaka Tanabe, Takanobu Shimizu, Gunawan, Kunihro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  9. Application of Natural Language Processing to Shipyard Data–Design Flaw Extraction from the Defect Report Correction using BERT–, Keita Imbe, Hiromune Egusa, Naokazu Taniguchi, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  10. A Study on the Demand Forecasting of Ship Using Ship Allocation Simulator, Yuta Sato, Peifeng Xu, Shun Kawamura, Naokazu Taniguchi, Takanori Nishijima, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  11. A case study on CNN-based Drawing Check AI, Takaharu Hikima, Hiromune Egusa, Naokazu Taniguchi, Kunihiro Hamada, TEAM (Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures) 2024 KURE, 2024/09/26, Without Invitation, English, Kure, Japan
  12. Global Optimization of Pipes for Ship Engine Room, Allessandro Utomo, Toranosuke Hotta, Naokazu Taniguchi, Tadashi Yoshimoto, Yoshitaka Tanabe, Takanobu Shimizu, Gunawan, Kunihiro Hamada, JASNAOE 2024 Annual Spring Meeting, 2024/05/27, Without Invitation, English, Kanazawa, Japan
  13. A Study on Hull Construction Drawing Check AI Using k-means Clustering and Convolutional Neural Network, Hiromune Egusa, Motohiko Nakayama, Takahiro Taketsume, Kazutaka Seki, Naokazu Taniguchi, Kunihiro Hamada, JASNAOE 2024 Annual Spring Meeting, Without Invitation, Japanese, Kanazawa, Japan
  14. A Study on Modularization of Container Vessel Construction to Make Design by Inquiry More Efficient, Hiromune Egusa, Shota Kondo, Tatsumasa Takei, Takahiro Taketsume, Naokazu Taniguchi, Kunihiro Hamada,, 2023/11/27, Without Invitation, Japanese, The Japan Society of Naval Architects and Ocean Engineers, Nagasaki
  15. A Study on the Demand Forecasting of Ship Using Ship Allocation Simulator, Yuta Sato, Kunihiro Hamada, Naokazu Taniguchi, Takanori Nishijima, 2023/11/27, Without Invitation, Japanese, The Japan Society of Naval Architects and Ocean Engineers, Nagasaki
  16. Development of Marine Accident Probability Prediction Model of Small-Size Ship in Tokyo Bay, Aogi Shintani, Naokazu Taniguchi, Yoshiyuki Nakayama, Takahiro Tanaka, Kunihiro Hamada,, 2023/11/27, Without Invitation, Japanese, The Japan Society of Naval Architects and Ocean Engineers, Nagasaki
  17. A Long-term Ship-Distribution-Prediction Using Maritime Logistics Big Data, Takara Maruoka, Naokazu Taniguchi, Yujiro Wada, Kunihiro Hamada,, 2023/11/27, Without Invitation, Japanese, The Japan Society of Naval Architects and Ocean Engineers, Nagasaki
  18. Prediction of the Probability of Marine Accidents Occurring for Small-Size Ship in the Central Seto Inland Sea, A. Shintani; N. Taniguchi; Y. Nakayama; T. Tanaka; K. Hamada, Workshop on Environmental Technologies in Naval Architecture and Ocean Engineering (WETNAOE), 2023, 2023/11/10, Without Invitation, English, The Japan Society of Naval Architects and Ocean Engineers, Higashi-Hiroshima
  19. Prediction of water quality in the Seto Inland Sea by a machine learning method, M. Asano; N. Taniguchi; K. Hamada, Workshop on Environmental Technologies in Naval Architecture and Ocean Engineering (WETNAOE), 2023, 2023/11/10, Without Invitation, English, The Japan Society of Naval Architects and Ocean Engineers, Higashi-Hiroshima
  20. Reproducing Tidal Currents Velocity Field by Data Assimilation with Acoustic Travel Time Data, 2022/11/17, Without Invitation, Japanese
  21. Applying Machine Learning to Satellite Remote Sensing Data for Floating Algae Detection, T. Sugiyama, N. Taniguchi, K. Hamada, D. A. F. Muzhoffar, Workshop on Environmental Technologies in Naval Architecture and Ocean Engineering (WETNAOE2022), 2022/12/08, Without Invitation, English, performance & dynamics research group in the west branch of JASNAOE, Higashi-Hiroshima
  22. Development of Marine Casualty Probability Prediction Model of Small-Size Ship by Using Ship Accident Database in the Central Seto Inland Sea, Aogi Shintani, Naokazu Taniguchi, Yoshiyuki Nakayama, Takahiro Tanaka, Kunihiro Hamada, 2023/06/01, Without Invitation, Japanese, The Japan Society of Naval Architects and Ocean Engineers, Kesennuma
  23. Improving a Numerical Ocean Model by Modifying the Boundary Condition of Tidal Currents, Naokazu Taniguchi, Hidemi Mutsuda, Yuji Sakuno, Kunihiro Hamada, Masazumi Arai, Toshiyuki Takahashi, Kengo Yoshiki, Hironori Yamamoto, 2023/06/01, Without Invitation, Japanese, The Japan Society of Naval Architects and Ocean Engineers, Kesennuma
  24. Reciprocal Acoustic Transmission Experiment for Water Flow Information at a Narrow Strait in the Seto Inland Sea, Hiroki Sakamoto et al., Workshop on Environmental Technologies in Naval Architecture and Ocean Engineering, 2019/11/15, Without Invitation, English
  25. Coastal Acoustic Tomography under Stratified Conditions in Lake Biwa, Japan, Wells, John, Naokazu Taniguchi, Minmo Chen, Chen-Fen Huang, Hiroki, Uchida, Kenji Okubo, Eiso Inoue, GODAE OceanView Symposium 2019 - OceanPredict '19, 2019/05, Without Invitation, English
  26. Numerical Simulation of Multidirectional Waves in FloWave, Taiga Kanehira, Hidemi Mutsuda, Yasuaki Doi, Naokazu Taniguchi, Samuel Draycott, David Ingram, Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers, 2018/11/26, Without Invitation, Japanese, the Japan Society of Naval Architects and Ocean Engineers
  27. The estimation of surface flow velocity for Indonesian flow (ITF) using Himawari-8 SST data, Yuji Sakuno, Norimitsu Kurokawa, Naokazu Taniguchi, Remote Sensing of the Open and Coastal Ocean and Inland Waters, 2018/10, Without Invitation, English, International Society for Optics and Photonics
  28. Acoustic mapping of ocean currents using moving vehicles, Chen-Fen Huang, KuangYu Chen, Sheng-Wei Huang, JenHwa Guo, Naokazu Taniguchi, The Journal of the Acoustical Society of America, 2018/09, Without Invitation, English, The Acoustical Society of America
  29. Acoustics and Its Application to the Ocean, Naokazu Taniguchi, 2018 International Summer School on Naval Architecture, Ocean Engineering and Mechanics, 2018/08/02, With Invitation, English, Shanghai Jiao Tong University, Shanghai, China
  30. Travel Time Measurement System for Ocean Acoustic Tomography, Naokazu Taniguchi, 2018/08, With Invitation, Japanese, Institute of Oceanography, National Taiwan University

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2022, 2024