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Kawahara, Ryo
Graduate School of Informatics, Department of Informatics Senior Lecturer/ Junior Associate Professor
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Last Updated :2026/01/19
Basic Information
Faculty
Email Address
Email Address
kawahara.ryo.7z
kyoto-u.ac.jp
Academic Degree
Academic Resume (Graduate Schools)
Academic Resume (Undergraduate School/Majors)
Research History
- From Oct. 2024, To PresentKyoto University, Graduate School of Informatics, 講師
- From Apr. 2021, To Sep. 2024Kyushu Institute of Technology, Faculty of Computer Science and Systems Engineering, 助教
- From Apr. 2019, To Mar. 2021Kyoto University, Graduate School of Informatics, 特定研究員
- From Apr. 2015, To Mar. 2018Japan Society for the Promotion of Science, 特別研究員DC1
ID,URL
ORCID ID
J-Global ID
Researcher number
80911263
researchmap URL
list
Last Updated :2026/01/19
Research
Papers
- Separating Direct and Global Components from Novel ViewpointsRyo Kawahara2025
- FluoNeRF: Fluorescent Novel-View Synthesis Under Novel Light Source Colors and SpectraLin Shi; Kengo Matsufuji; Michitaka Yoshida; Ryo Kawahara; Takahiro OkabeJournal of Imaging, 29 Dec. 2025
- Polarization As Texture: Microscale 3D Shape from Polarized Light FocusRyo Kawahara2025
- Surface Normals and Shape From Water.Satoshi Murai; Meng-Yu Kuo; Ryo Kawahara; Shohei Nobuhara; Ko Nishinoin Proc. of IEEE International Conference on Computer Vision (ICCV), 2019, Peer-reviewed
- Using Extended Light Sources for Relighting from a Small Number of Images.Toshiki Hirao; Ryo Kawahara; Takahiro OkabeVISIGRAPP (3): VISAPP, 2024, Peer-reviewed
- Learning Projection Patterns for Direct-Global Separation.Takaoki Ueda; Ryo Kawahara; Takahiro OkabeVISIGRAPP (3): VISAPP, 2024, Peer-reviewed
- Learning 3D Human UV with Loose Clothing from Monocular Video.Meng-Yu Jennifer Kuo; Jingfan Guo; Ryo KawaharaVISIGRAPP (4): VISAPP, 2024, Peer-reviewed
- Separating Partially-Polarized Diffuse and Specular Reflection Components under Unpolarized Light Sources.Soma Kajiyama; Taihe Piao; Ryo Kawahara; Takahiro OkabeIEEE/CVF Winter Conference on Applications of Computer Vision(WACV), 2023, Peer-reviewed
- Polarimetric Underwater Stereo.Ryo Kawahara; Meng-Yu Jennifer Kuo; Takahiro OkabeImage Analysis - 22nd Scandinavian Conference, 2023, Peer-reviewed
- Teleidoscopic Imaging System for Microscale 3D Shape Reconstruction.Ryo Kawahara; Meng-Yu Jennifer Kuo; Shohei NobuharaCVPR, 2023, Peer-reviewed
- Light Source Separation and Intrinsic Image Decomposition under AC Illumination.Yusaku Yoshida; Ryo Kawahara; Takahiro OkabeCVPR, 2023, Peer-reviewed
- Estimating Absorption Coefficient from a Single Image via Entropy Minimization.Junya Katahira; Ryo Kawahara; Takahiro OkabeBMVC, 2023, Peer-reviewed
- Spectral Absorption from Two-view Hyperspectral Images.Kenta Kageyama; Ryo Kawahara; Takahiro OkabeProceedings of the 17th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, 2022, Peer-reviewed
- Online Illumination Planning for Shadow-Robust Photometric Stereo.Hirochika Tanikawa; Ryo Kawahara; Takahiro OkabeFrontiers of Computer Vision - 28th International Workshop(IW-FCV), 2022, Peer-reviewed
- Surface Normals and Shape From Water.Meng-Yu Jennifer Kuo; Satoshi Murai; Ryo Kawahara; Shohei Nobuhara; Ko NishinoIEEE Transactions on Pattern Analysis and Machine Intelligence, 2022, Peer-reviewed
- Shape From Sky: Polarimetric Normal Recovery Under the Sky.Tomoki Ichikawa; Matthew Purri; Ryo Kawahara; Shohei Nobuhara; Kristin J. Dana; Ko NishinoIEEE Conference on Computer Vision and Pattern Recognition(CVPR), 2021, Peer-reviewed
- Polarimetric Normal Stereo.Yoshiki Fukao; Ryo Kawahara; Shohei Nobuhara; Ko NishinoIEEE Conference on Computer Vision and Pattern Recognition(CVPR), 2021, Peer-reviewed
- Non-Rigid Shape From Water.Meng-Yu Jennifer Kuo; Ryo Kawahara; Shohei Nobuhara; Ko NishinoIEEE Transactions on Pattern Analysis and Machine Intelligence, 2021, Peer-reviewed
- Appearance and Shape from Water Reflection.Ryo Kawahara; Meng-Yu Jennifer Kuo; Shohei Nobuhara; Ko NishinoIEEE Winter Conference on Applications of Computer Vision(WACV), 2020, Peer-reviewed
- A Novel Catadioptric Ray-Pixel Camera Model and its Application to 3D Reconstruction.Ryo Kawahara2019, Peer-reviewed
- Dynamic 3D capture of swimming fish by underwater active stereoRyo Kawahara; Shohei Nobuhara; Takashi MatsuyamaMethods in Oceanography, Dec. 2016
- Interference-Free Epipole-Centered Structured Light Pattern for Mirror-Based Multi-view Active StereoTomu Tahara; Ryo Kawahara; Shohei Nobuhara; Takashi Matsuyama2015 International Conference on 3D Vision, Oct. 2015, Peer-reviewed
- Underwater 3D Surface Capture Using Multi-view Projectors and Cameras with Flat HousingsRyo Kawahara; Shohei Nobuhara; Takashi MatsuyamaIPSJ Transactions on Computer Vision and Applications, 2014
- A Pixel-Wise Varifocal Camera Model for Efficient Forward Projection and Linear Extrinsic Calibration of Underwater Cameras with Flat HousingsRyo Kawahara; Shohei Nobuhara; Takashi Matsuyama2013 IEEE International Conference on Computer Vision Workshops, Dec. 2013, Peer-reviewed
Awards
- 17 Mar. 2015優秀研究賞（京都大学第９回ICTイノベーション）
- 16 Sep. 2017奨励賞（研究報告コンピュータビジョンとイメージメディア）
- 08 Dec. 2012Best Paper Award（2013 IEEE International Conference on Computer Vision）
External funds: Kakenhi
- Multi-layer Light Field for Underwater 3D Shape RecoveryGrant-in-Aid for Research Activity Start-up1002:Human informatics, applied informatics and related fieldsKyushu Institute of TechnologyRyo KawaharaFrom 30 Aug. 2021, To 31 Mar. 2023, Project Closedコンピュータビジョン;コンピュテーショナルフォトグラフィ;３次元形状復元;水中撮影;光線空間;偏光解析;水中3次元形状復元;偏光;カメラキャリブレーション
- Teleidoscopic Macro Stereo Photography for 3D Shape and Reflectance Measurement of Micro-scale ObjectsGrant-in-Aid for Early-Career ScientistsBasic Section 61010:Perceptual information processing-relatedKyoto University;Kyushu Institute of TechnologyRyo KawaharaFrom 01 Apr. 2022, To 31 Mar. 2025, Project Closed3次元形状復元;コンピュテーショナルフォトグラフィ;カメラキャリブレーション;多視点ステレオ;偏光;コンピュータビジョン;３次元形状復元;マクロフォトグラフィー
- Computational Illumination with High Degrees-of-Freedom Active Light FieldsGrant-in-Aid for Scientific Research (A)Medium-sized Section 61:Human informatics and related fieldsOkayama University;Kyushu Institute of TechnologyTakahiro OkabeFrom 01 Apr. 2020, To 31 Mar. 2025, Project Closedコンピュータビジョン;コンピュテーショナルフォトグラフィ;コンピュテーショナルイルミネーション;光線空間;偏光
