Faculty Members

Professor
KURIHARA Toru

Gender: Male
Affiliation:

- School of Informatics
- Information Systems Engineering Course, Department of Engineering, Graduate School of Enginering
- Informatics Course, Department of Engineering, Graduate School of Enginering
Personal web site: https://krlab.kochi-tech.ac.jp/kurihara/
researchmap： https://researchmap.jp/tkurihara
Article from the "Cutting-edge Research and Social Contribution"：
https://www.kochi-tech.ac.jp/english/power/research/updating-agriculture-with-ict-technology-a-new-more-advanced-type-of-image-recognition-technology-ba-2.html

Areas of specialization	Image measurement, optical measurement, measurement engineering
Laboratory/research office	Image Processing and Informatics Laboratory Our research topics is image understanding and data understanding from various sensors and its application to real world. Camera outputs a large amount of data (some million pixels per 1/30 second) and it is required to develop effective utilizing method for such a vast data. Our research is based on physics and developing reliable image inspection system and image processing, understanding technique for human computer interaction.
Current research topics
Educational background	2005: Doctor, University of Tokyo 2002: Master, University of Tokyo 2000: Bachelor, University of Tokyo
Professional background
Licenses
Academic societies	The Society of Instrument and Control Engineering IEEE Information Processing Society of Japan

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Courses

* Courses provided in English are shown with (E) mark

Undergraduate school	Computer Graphics Image Processing Project Research 1 Project Research 2 Project Research 3 Seminars on the School of Information Graduation Thesis Basic Information Science Laboratory Work on Information Technology 4
Graduate school	Seminar on Infomatics I Seminar on Infomatics II Individual Work for Graduate Advanced Seminar 1 Advanced Seminar 2

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Research activities

Research papers	Authors: Wang Pan, KURIHARA Toru, YU Jun Title: CorNet: Enhancing Motion Deblurring in Challenging Scenarios Using Correlation Image Sensor Journal: IEEE ACCESS, Vol. 13, pp. 33834-33848, IEEE Year: 2025 Authors: Wang Pan, KURIHARA Toru Title: Recovering a Sequence of Clear Frames from a Single Motion-Blurred Image using Correlation Image Sensor and Temporal Progressive Learning Strategy Journal: SICE Journal of Control, Measurement, and System Integration, Vol. 18, p. 2466294, Taylor & Francis Year: 2025 Authors: Xinzhi Liu , YU Jun, Toru Kurihara, Congzhong Wu , Haiyan Zhang , Shu Zhan Title: A complex neural network model by Hilbert Transform Journal: Pattern Recognition Letters, Vol. 186, pp. 113-118, Elsevier Year: 2024 Authors: Wang Pan, Toru Kurihara, YU Jun Title: Correlation Image Sensor-Assisted Single-Frame Optical Flow Estimation in Motion-Blurred Scenes Journal: IEEE　ACCESS, Vol. 12, pp. 65856-65868, IEEE Year: 2024 Authors: Xinzhi Liu, YU Jun, Toru Kurihara, Congzhong Wu, Shu Zhan Title: Spectrum Attention Mechanism for a Complex Neural Network Journal: IEEE Signal Processing Letters, Vol. 31, pp. 815-819, IEEE Year: 2024 Authors: YU Jun, Shu Zhan, Toru Kurihara Title: Wide-Angular Tolerance Optical Filter Design and Its Application to Green Pepper Segmentation Journal: Sensors, Vol. 23, No. 6, p. 2981, MDPI Year: 2023 Authors: Xinzhi Liu, YU Jun, Toru Kurihara, Congzhong Wu, Zhao Niu, Shu Zhan Title: Pixelwise complex-valued neural network based on 1-D FFT of hyperspectral data to improve green pepper segmentation in agriculture Journal: Applied Science, Vol. 13, No. 4, p. 2697, MDPI Year: 2023 Authors: Xinzhi Liu, YU Jun, Toru Kurihara, Liangfeng Xu, Zhao Niu, Shu Zhan Title: Hyperspectral imaging for green pepper segmentation using a complex-valued neural network Journal: Optik - International Journal for Light and Electron Optics, Vol. 265, p. 169527, Elsevier Year: 2022 Authors: XinzhiLiu, Yu Jun, Toru Kurihara, Ke Li, Zhao Niu, Shu Zhan Title: Learning an Optical Filter for Green Pepper Automatic Picking in Agriculture Journal: Computers and Electronics in Agriculture, Vol. 191C, p. 106521, Elsevier Year: 2021 Authors: Yu Jun, Toru Kurihara, Shu Zhan Title: Color-Ratio Maps Enhanced Optical Filter Design and its application in green pepper segmentation Journal: Sensors, Vol. 21, No. 19, p. 6437, MDPI Year: 2021 Authors: Guoan Cheng, Ai Matsune, Huaijuan Zang, Toru Kurihara, Shu Zhan Title: EDPANs: Enhanced Dual Path Attention Networks for Single Image Super-Resolution Journal: Journal of Circuits, Systems and Computers, Vol. 30, No. 16, p. 2150300 Year: 2021 Authors: Yu Jun, Toru Kurihara, Shu Zhan Title: Optical Filter Net: A Spectral-Aware RGB Camera Framework for Effective Green Pepper Segmentation Journal: IEEE Access, Vol. 9, pp. 90142-90152, IEEE Year: 2021 Authors: Qiuyu Li, Yu Jun, Toru Kurihara, Haiyan Zhang, Shu Zhan Title: Deep Convolutional Neural Network with Optical Flow for Facial Micro-expression Recognition Journal: Journal of Circuits, Systems and Computers, World Scientific Publishing Year: 2019 Authors: Xiong Yang, Shu Zhan, Dongdong Xie, Hong Zhao, KURIHARA Toru Title: Hierarchical prostate MRI segmentation via level set clustering with shape prior Journal: Neurocomputing, Vol. 257, pp. 154-163, Elsevier Year: 2017 Authors: Shu Zhan, Lele Chang, Jingjing Zhao, KURIHARA Toru, Hao Du, Yucheng Tang, Jun Cheng Title: Real-time 3D face modeling based on 3D face imaging Journal: Neurocomputing, Vol. 252, pp. 42-48, Elsevier Year: 2017 Authors: Qin-Qin Tao, Shu Zhan, Xiao-Hong Li, KURIHARA Toru Title: Robust face detection using local CNN and SVM based on kernel combination Journal: Neurocomputing, Vol. 211, pp. 98-105, Elsevier Year: 2016 Authors: ANDO Shigeru, NARA Takaaki, KURIHARA Toru Title: Spatial filtering velocimetry revisited: Exact short-time detecting schemes from arbitrarily small-size reticles Journal: Measurement Science and Technology, Vol. 25, No. 8, p. 085001, IOP Publishing Year: 2014
Grants-in-Aid for Scientific Research from the Japanese government	Project title: Micro-expression detection based on high spatial and temporal resolution motion analysis Category: Grant-in-Aid for Young Scientists (B) Project number: 15K21307 Project period: 2015-2016 Total budget amount: 3,510,000 yen Keywords: Project title: Pain face estimation system for dementia patients based on video analysis Category: Grant-in-Aid for Scientific Research (C) Project number: 17K00442 Project period: 2017-2019 Total budget amount: 4,550,000 yen Keywords:

Research papers

Authors: Wang Pan, KURIHARA Toru, YU Jun
Title: CorNet: Enhancing Motion Deblurring in Challenging Scenarios Using Correlation Image Sensor
Journal: IEEE ACCESS, Vol. 13, pp. 33834-33848, IEEE
Year: 2025
Authors: Wang Pan, KURIHARA Toru
Title: Recovering a Sequence of Clear Frames from a Single Motion-Blurred Image using Correlation Image Sensor and Temporal Progressive Learning Strategy
Journal: SICE Journal of Control, Measurement, and System Integration, Vol. 18, p. 2466294, Taylor & Francis
Year: 2025
Authors: Xinzhi Liu , YU Jun, Toru Kurihara, Congzhong Wu , Haiyan Zhang , Shu Zhan
Title: A complex neural network model by Hilbert Transform
Journal: Pattern Recognition Letters, Vol. 186, pp. 113-118, Elsevier
Year: 2024
Authors: Wang Pan, Toru Kurihara, YU Jun
Title: Correlation Image Sensor-Assisted Single-Frame Optical Flow Estimation in Motion-Blurred Scenes
Journal: IEEE　ACCESS, Vol. 12, pp. 65856-65868, IEEE
Year: 2024
Authors: Xinzhi Liu, YU Jun, Toru Kurihara, Congzhong Wu, Shu Zhan
Title: Spectrum Attention Mechanism for a Complex Neural Network
Journal: IEEE Signal Processing Letters, Vol. 31, pp. 815-819, IEEE
Year: 2024
Authors: YU Jun, Shu Zhan, Toru Kurihara
Title: Wide-Angular Tolerance Optical Filter Design and Its Application to Green Pepper Segmentation
Journal: Sensors, Vol. 23, No. 6, p. 2981, MDPI
Year: 2023
Authors: Xinzhi Liu, YU Jun, Toru Kurihara, Congzhong Wu, Zhao Niu, Shu Zhan
Title: Pixelwise complex-valued neural network based on 1-D FFT of hyperspectral data to improve green pepper segmentation in agriculture
Journal: Applied Science, Vol. 13, No. 4, p. 2697, MDPI
Year: 2023
Authors: Xinzhi Liu, YU Jun, Toru Kurihara, Liangfeng Xu, Zhao Niu, Shu Zhan
Title: Hyperspectral imaging for green pepper segmentation using a complex-valued neural network
Journal: Optik - International Journal for Light and Electron Optics, Vol. 265, p. 169527, Elsevier
Year: 2022
Authors: XinzhiLiu, Yu Jun, Toru Kurihara, Ke Li, Zhao Niu, Shu Zhan
Title: Learning an Optical Filter for Green Pepper Automatic Picking in Agriculture
Journal: Computers and Electronics in Agriculture, Vol. 191C, p. 106521, Elsevier
Year: 2021
Authors: Yu Jun, Toru Kurihara, Shu Zhan
Title: Color-Ratio Maps Enhanced Optical Filter Design and its application in green pepper segmentation
Journal: Sensors, Vol. 21, No. 19, p. 6437, MDPI
Year: 2021
Authors: Guoan Cheng, Ai Matsune, Huaijuan Zang, Toru Kurihara, Shu Zhan
Title: EDPANs: Enhanced Dual Path Attention Networks for Single Image Super-Resolution
Journal: Journal of Circuits, Systems and Computers, Vol. 30, No. 16, p. 2150300
Year: 2021
Authors: Yu Jun, Toru Kurihara, Shu Zhan
Title: Optical Filter Net: A Spectral-Aware RGB Camera Framework for Effective Green Pepper Segmentation
Journal: IEEE Access, Vol. 9, pp. 90142-90152, IEEE
Year: 2021
Authors: Qiuyu Li, Yu Jun, Toru Kurihara, Haiyan Zhang, Shu Zhan
Title: Deep Convolutional Neural Network with Optical Flow for Facial Micro-expression Recognition
Journal: Journal of Circuits, Systems and Computers, World Scientific Publishing
Year: 2019
Authors: Xiong Yang, Shu Zhan, Dongdong Xie, Hong Zhao, KURIHARA Toru
Title: Hierarchical prostate MRI segmentation via level set clustering with shape prior
Journal: Neurocomputing, Vol. 257, pp. 154-163, Elsevier
Year: 2017
Authors: Shu Zhan, Lele Chang, Jingjing Zhao, KURIHARA Toru, Hao Du, Yucheng Tang, Jun Cheng
Title: Real-time 3D face modeling based on 3D face imaging
Journal: Neurocomputing, Vol. 252, pp. 42-48, Elsevier
Year: 2017
Authors: Qin-Qin Tao, Shu Zhan, Xiao-Hong Li, KURIHARA Toru
Title: Robust face detection using local CNN and SVM based on kernel combination
Journal: Neurocomputing, Vol. 211, pp. 98-105, Elsevier
Year: 2016
Authors: ANDO Shigeru, NARA Takaaki, KURIHARA Toru
Title: Spatial filtering velocimetry revisited: Exact short-time detecting schemes from arbitrarily small-size reticles
Journal: Measurement Science and Technology, Vol. 25, No. 8, p. 085001, IOP Publishing
Year: 2014

Grants-in-Aid for Scientific Research from the Japanese government

Project title: Micro-expression detection based on high spatial and temporal resolution motion analysis
Category: Grant-in-Aid for Young Scientists (B)
Project number: 15K21307
Project period: 2015-2016
Total budget amount: 3,510,000 yen
Keywords:
Project title: Pain face estimation system for dementia patients based on video analysis
Category: Grant-in-Aid for Scientific Research (C)
Project number: 17K00442
Project period: 2017-2019
Total budget amount: 4,550,000 yen
Keywords:

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Social activities

Committee roles	Program Committee Members, Visapp2025, 2025 JCMSI Editor, SICE, 2024-2027 Annual Conference Program Committee Member, SICE, 2019 Annual Conference Program Committee Member, SICE, 2018 Treasurer, IEEE Shikoku Section , 2017-2018

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