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Takahiro Kushida

Assistant Professor
Vision and Imaging Group
College of Information Science and Engineering
Ritsumeikan University
Research Interests
  • Physics-based vision
  • 3D sensing
  • Computational imaging
    • Contact
    tkushida [at] fc.ritsumei.ac.jp
    https://www.linkedin.com/in/kushida

    Joining Our Team

    Please note that I am an Assistant Professor (non-PI) and therefore not able to directly accept students into the laboratory. If you are interested in joining our lab, please contact Prof. Tanaka, who is the PI of our group, for further information.

    Publications

    Journal
    • Yuta Ikusaka, Yohanssen Pratama, Takahiro Kushida, Yuki Fujimura, Kenichiro Tanaka, Takuya Funatomi, Yasuhiro Mukaigawa, "Time-resolved inverse radiosity: simultaneous estimation of shape and reflectance," Optics Express, vol. 33, pp. 34448-34464, Aug. 2025. [Open Access]
    • Yohanssen Pratama, Kazuya Kitano, Takahiro Kushida, Yuki Fujimura, Takuya Funatomi, Yasuhiro Mukaigawa, "Material Segmentation Using 1-D Convolutional Neural Network With Transient Histogram," IEEE Access, vol. 13, pp. 59295-59308, Mar. 2025. [Open Access]
    • Akihiro Higaki, Kazuya Kitano, Yuki Fujimura, Takahiro Kushida, Takuya Funatomi, Yasuhiro Mukaigawa, "Refractive epitrochoids sampling for light field measurement using wedge prisms," Optics Express, vol. 33, no. 2, pp. 2604-2619, Jan. 2025. [Open Access]
    • Suzan Joseph Kessy, Takuya Funatomi, Takahiro Kushida, Kazuya Kitano, Yuki Fujimura, Guillaume Caron, El Mustapha Mouaddib, Yasuhiro Mukaigawa, "Illumination Variation Compensation using Perpendicular Whisk-broom Hyperspectral Scans," Computational Visual Media, Accepted.
    • Takahiro Kushida, Ryutaro Nakamura, Hiroaki Matsuda, Wenhao Chen, Kenichiro Tanaka, "Affine Transform Representation for Reducing Calibration Cost on Absorption-Based LWIR Depth Sensing," Scientific Reports, vol. 14, no. 1, pp. 26429, Nov. 2024. [Springer Open Access]
    • Takahiro Kushida, Kenichiro Tanaka, Takuya Funatomi, Yasuhiro Mukaigawa, "Descattering for transmissive inspection in production line using slanted linear image sensors," OSA Optics Express, vol. 30, issue 21, pp. 38016-38026, Sep. 2022. [OSA Open Access]
    • Daiki Kijima, Takahiro Kushida, Hiromu Kitajima, Kenichiro Tanaka, Hiroyuki Kubo, Takuya Funatomi, Yasuhiro Mukaigawa, "Time-of-flight Imaging in Fog Using Multiple Time-gated Exposures," OSA Optics Express, vol. 29, issue 5, pp. 6453-6467, Feb. 2021. [OSA Open Access]
    • Takahiro Kushida, Kenichiro Tanaka, Takahito Aoto, Takuya Funatomi, Yasuhiro Mukaigawa, "Phase disambiguation using spatio-temporally modulated illumination in depth sensing," IPSJ Transaction on Computer Vision and Applications (TCVA), vol. 12, no. 1, Apr. 2020. [Springer Open Access]
    • Masaki Kaga, Takahiro Kushida, Tsuyoshi Takatani, Kenichiro Tanaka, Takuya Funatomi, Yasuhiro Mukaigawa, "Thermal non-line-of-sight imaging from specular and diffuse reflections," IPSJ Transaction on Computer Vision and Applications (TCVA), vol. 11, no. 8, Nov. 2019. [Springer Open Access]
    • Bingzhi, Toru Tamaki, Takahiro Kushida, Yasuhiro Mukaigawa, Hiroyuki Kubo, B. Raytchev, K. Kaneda, "Optical tomography with discretized path integral," Journal of Medical Imaging, Jul. 2015. [SPIE Open Access]
    International Conference (Reviewed)
    • Takahiro Kushida, Kenichiro Tanaka, "Thermal Polarimetric Multi-view Stereo," IEEE International Conference on Computer Vision (ICCV2025), Oct. 2025. [Project page]
    • Yuki Fujimura, Takahiro Kushida, Takuya Funatomi, Yasuhiro Mukaigawa, "NLOS-NeuS: Non-line-of-sight Neural Implicit Surface," IEEE International Conference on Computer Vision (ICCV2023), Oct. 2023. [Project page]
    • Ippei Otake, Kazuya Kitano, Takahiro Kushida, Hiroyuki Kubo, Akinobu Maejima, Yuki Fujimura, Takuya Funatomi, Yasuhiro Mukaigawa, "Updating Human Pose Estimation using Event-based Camera to Improve Its Accuracy," ACM SIGGRAPH 2023, Aug. 2023. [ACM Digital Library]
    • Yasuto Nagase*, Takahiro Kushida*, Kenichiro Tanaka, Takuya Funatomi, Yasuhiro Mukaigawa, "Shape from Thermal Radiation: Passive Ranging Using Multi-spectral LWIR Measurements," Proc. The IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), June 2022. (acceptance rate 25.3%) [Project page] [Paper]
    • Takahiro Kushida, Kenichiro Tanaka, Takuya Funatomi, Komei Tahara, Yukihiro Kagawa, Yasuhiro Mukaigawa, "Practical Descattering of Transmissive Inspection Using Slanted Linear Image Sensors," International Conference on Machine Vision Applications (MVA), July 2021. [Preprint] [IEEE Xplore]
    • Takahiro Kushida, Kenichiro Tanaka, Takahito Aoto, Takuya Funatomi, Yasuhiro Mukaigawa, "Spatio-temporal Phase Disambiguation in Depth Sensing," The IEEE International Conference on Computational Photography (ICCP), May 2019. [IEEE Xplore]
    • Bingzhi, Toru Tamaki, Takahiro Kushida, Bisser Raytchev, Kazufumi Kaneda, Yasuhiro Mukaigawa, Hiroyuki Kubo, "Layered optical tomography of multiple scattering media with combined constraint optimization," The 21st Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2015), Jan. 2015. [IEEE Xplore]

    Career

    Apr. 2023 - Present: Assistant Professor, College of Information Science and Engineering, Ritsumeikan University
    Jul. 2020 - Mar. 2023: Postdoctoral Researcher, Division of Information Science, Graduate School of Science and Technology, Nara Institute of Science and Technology

    Education

    2020: Ph.D. in Engineering, Graduate School of Information Science, Nara Institute of Science and Technology
    2017: Master of Engineering, Graduate School of Information Science, Nara Institute of Science and Technology
    2015: Bachelor of Engineering, School of Engineering, Hiroshima University