Curriculum Vitae
NAME:

Rei Kawakami

BIRTH DATE:

February, 15th, 1980

AFFILIATION:

Specially Appointed Associate Professor, Tokyo Institute of Technology

SPECIALIZATION:

Computer Vision, Computer Graphics, Machine Learning

LANGUAGE:

English (fluent), Japanese (native)

EDUCATION:
March 2003 Graduated from Department of Electronic Engineering, the University of Tokyo
March 2005 Received M. degree in Information Science and Technology, the University of Tokyo
March 2008 Received Ph.D. in Information Science and Technology, the University of Tokyo

WORK EXPERIENCE:
April 2008 to June 2010
Project research associate, Computer Vision Lab, the University of Tokyo
July 2010 to December 2010
Visiting researcher, Microsoft Research Asia
Postdoctoral fellow, Computer Vision Lab, the University of Tokyo
January 2011 to March 2011,
Project research associate, Computer Vision Lab, the University of Tokyo
April 2011 to March 2013
Postdoctoral scholar, University of California, Berkeley
Postdoctoral fellow, Computer Vision Lab, the University of Tokyo
March 2013 to December 2013
Project researcher, Osaka University
January 2014 to December 2017
Assistant professor, the University of Tokyo
January 2018 to March 2020
Specially appointed lecturer, the University of Tokyo
April 2020 to March 2022

Specially appointed Associate Professor, Tokyo Institute of Technology
Senior Researcher, Denso IT Laboratory, Inc.
April 2022 to PresentAssociate Professor, Tokyo Institute of Technology

PUBLICATIONSBook Chapter (English)
R. Kawakami, R. T. Tan, K. Ikeuchi (2008): Consistent Surface Color for Texturing Large Objects
in Outdoor Scenes, Digitally Archiving Cultural Objects, K. Ikeuchi and D. Miyazaki (Eds),Springer, pp.279-294.

A. Ikari, R. Kawakami, R. T. Tan, K. Ikeuchi (2008): Separating Illumination and Surface
Reflectance from Multiple Color Signals, Digitally Archiving Cultural Objects, K. Ikeuchi and D.
Miyazaki (Eds), Springer, pp.297-319.

Book Chapter (Japanese)
R. Kawakami (2010): Basics of Reflection Property Modeling, Robot Informatics Handbook, J.
Matsubara, I. Noda, F. Matsuno, M. Inami and K. Osuga (Eds), Nano-Optonics Energy, Inc.
pp.276-286.

Refereed Journals (English)
Wen Shao, Rei Kawakami, and Takeshi Naemura (2022): Anomaly Detection Using
Spatio-Temporal Context Learned by Video Clip Sorting, IEICE Transactions on Information andSystems, Volume E105.D, Issue 5, Pages 1094-1102.

Wen Shao, Rei Kawakami, Ryota Yoshihashi, Shaodi You, Hidemichi Kawase, Takeshi Naemura(2020): Cattle detection and counting in UAV images based on convolutional neural networks,
International Journal of Remote Sensing (IJRS). [Len Curtis Award]

Yinan Wang, Ryota Yoshihashi, Rei Kawakami, Shaodi You, Toru Harano, Masahiko Ito, Katsura
Komagome, Makoto Iida, and Takeshi Naemura (2019): Unsupervised Anomaly Detection with
Compact Deep Features for Wind Turbine Blade Images Taken by a Drone, IPSJ Transactions on
Computer Vision and Applications (CVA).

Ryota Yoshihashi, Tu Tuan Trinh, Rei Kawakami, Makoto Iida, and Takeshi Naemura (2018):

Pedestrian Detection with Motion Features via Two-stream ConvNets, IPSJ Transactions on
Computer Vision and Applications (CVA), Vol.10, Issue12.

Ryota Yoshihashi, Rei Kawakami, Makoto Iida, and Takeshi Naemura (2017): Bird detection andspecies classification with time-lapse images around a wind farm: Dataset construction andevaluation, Wind Energy, Vol.20 Issue 12, pages 1983-1995, 2017.

A. Takeki, T. T. Trinh, R.Yoshihashi, R. Kawakami, M. Iida, and T. Naemura (2016): Combining
deep features for object detection at various scales: Finding small birds in landscape images, IPSJ
Transactions on Computer Vision and Applications (CVA).

S. You, R. T. Tan, R. Kawakami, Y. Mukaigawa and K. Ikeuchi (2016): Adherent raindrop:
modeling, detection and removal in video, IEEE Transactions on Pattern Analysis and MachineIntelligence (TPAMI), Vol. 38, No. 9, pp.1721-1733.

R. Kawakami, H. Zhao, R. T. Tan and K. Ikeuchi (2013): Camera Spectral Sensitivity and White
Balance Estimation from Sky Images, International Journal of Computer Vision (IJCV), Vol. 105,
No. 3, pp.187-204.

K. Inose, S. Shimizu, R. Kawakami, Y. Mukaigawa, and K. Ikeuchi (2013): Refining outdoor
photometric stereo based on sky model, IPSJ Transactions on Computer Vision and Applications(CVA), Vol.5, pp.104-108.

D. Miyazaki, M. Ammar, R. Kawakami and K. Ikeuchi (2009): Estimating Sunlight Polarization
Using a Fish-eye Lens, IPSJ Transactions on Computer Vision and Applications (CVA), Vol. 1,
pp.288-300.

R. Kawakami, J. Takamatsu and K. Ikeuchi (2007): Color Constancy from Blackbody Illumination,
Journal of the Optical Society of America A. (JOSA.A), Vol. 24-7, pp.1886-1893, July, 2007.

Refereed Journals (Japanese)
T. Morimoto, R. T. Tan, R. Kawakami and K. Ikeuchi (2010): Use of Spider Model to Decompose
Complex Reflection Components, Journal of the Institute of Image Information and Television
Engineers (ITE) Vol. 64, No. 4, pp.603-610.

S. Ono, R. Kawakami, T. Oishi and K. Ikeuchi (2010): 3D Modeling of Cultural Heritage Objects:

Activities in Somma and Pompei, Journal of the Institute of Image Information and Television
Engineers (ITE) Vol. 64, No.6, pp.766-769.

S. Okura, R. Kawakami and K. Ikeuchi (2009): Diffuse Reflectance Estimation of Outdoor Objects
by Simultaneous Radiance Capture of Surfaces and Illumination Environment, IPSJ Transactions on
Computer Vision and Image Media (SIG-CVIM), Vol.2, No.1, pp.32-41.

Refereed Conference papers
Ikuro Sato, Ryota Yamada, Masayuki Tanaka, Nakamasa Inoue, Rei Kawakami. PoF: Post-Trainingof Feature Extractor for Improving Generalization, In Proc. of International Conference on Machine
Learning, (ICML2022), (Spotlight) July, Baltimore, (2022).

Shingo Yashima, Teppei Suzuki, Kohta Ishikawa, Ikuro Sato, Rei Kawakami. Feature Space Particle
Inference for Neural Network Ensembles. In Proc. of International Conference on Machine Learning,(ICML2022), (Spotlight), July, Baltimore, (2022).

Yutaro Honda, Rei Kawakami, Ryota Yoshihashi, Kenta Kato, Takeshi Naemura. Pass Receiver
Prediction in Soccer Using Video and Players' Trajectories. In Proc. of 8th International Workshop
on Computer Vision in Sports (CVsports) at CVPR, June, New Orleans, (2022).

K. Takayama, I. Sato, T. Suzuki, R. Kawakami, K. Uto, K. Shinoda. Smooth Transfer Learning for
Source-to-Target Generalization. NeurIPS Workshop on Distribution Shifts, (2021).

N. Inoue, R. Yamada, R. Kawakami, I Sato. Disentangling Latent Group of Factors. In Proc. ofInternational Conference on Image Processing (ICIP), (2021).

Y. Kodama, Y. Wang, R. Kawakami, T. Naemura. Open-set Recognition with Supervised
Contrastive Learning. In Proc. of International Conference on Machine Vision and Applications(MVA), (2021).

H. Oi, R. Kawakami, T. Naemura. Analysis of Evaluation Metrics with the Distance between
Positive Pairs and Negative Pairs in Deep Metric Learning. In Proc. of International Conference on
Machine Vision and Applications (MVA), (2021).

Y. Honda, R. Kawakami, and T. Naemura. RNN-based Motion Prediction in Competitive Fencing
Considering Interaction between Players. In Proc. of British Machine Vision Conference (BMVC),

(2020).

R. Yoshihashi, W. Shao, R. Kawakami, S. You, M. Iida, and T. Naemura (2019): ClassificationReconstruction Learning for Open-Set Recognition. In Proc. of IEEE Computer Society Conference
on Computer Vision and Pattern Recognition (CVPR).

T. T. Trinh, R. Yoshihashi, R. Kawakami, M. Iida, and T. Naemura (2016): Bird Detection near
Wind Turbines from High-resolution Video using LSTM Networks, In Proc. of 16th World Wind
Energy Conference and Exhibition (WWEC).

A. Takeki, T. T. Trinh, R. Yoshihashi, R. Kawakami, M. Iida, and T. Naemura (2016): Detection ofsmall birds in large images by combining a deep detector with semantic segmentation, In Proc. ofIEEE International Conference on Image Processing (ICIP).

R. Yoshihashi, R. Kawakami, M. Iida, and T. Naemura (2015): Evaluation of bird detection using
time-lapse images around a wind farm, In Proc. of European Wind Energy Association Conference(EWEA).

R. Yoshihashi, R. Kawakami, M. Iida, T. Naemura (2015): Construction of a bird image dataset forecological investigations, In Proc. of IEEE International Conference on Image Processing (ICIP).

S. You, R. T. Tan, R. Kawakami, and K. Ikeuchi (2014): Raindrop Detection and Removal fromLong Range Trajectories, In Proc. of Asian Conference on Computer Vision (ACCV).

S. You, R. T. Tan, R. Kawakami, and K. Ikeuchi (2013): Adherent Raindrop Detection and Removalin Video, In Proc. of IEEE Computer Society Conference on Computer Vision and Pattern
Recognition (CVPR).

S. You, R. T. Tan, R. Kawakami, and K. Ikeuchi (2013): Robust and Fast Motion Estimation forVideo Completion, In Proc. of IAPR Conference on Machine Vision Applications (MVA).

R. Kawakami, J. Wright, Y. Tai, M. Ben-Ezra, Y. Matsushita and K. Ikeuchi (2011): High-resolution
Hyperspectral Imaging via Matrix Factorization, In Proc. of IEEE Computer Society Conference onComputer Vision and Pattern Recognition (CVPR).

T. Morimoto, R. T. Tan, R. Kawakami and K. Ikeuchi (2011): Accuracy of the spider model indecomposing layered surfaces, In Proc. of Color and Photometry in Computer Vision (CPCV), inconjunction with IEEE International Conference on Computer Vision.

L. B. Vinh, T. Kakuta, R. Kawakami, T. Oishi and K. Ikeuchi (2010): Foreground and Shadow
Occlusion Handling for Outdoor Augmented Reality, In Proc. of 9th IEEE International Symposiumon Mixed and Augmented Reality (ISMAR).

T. Morimoto, R. T. Tan, R. Kawakami and K. Ikeuchi (2010): Estimating Optical Properties ofLayered Surfaces Using the Spider Model, In Proc. of IEEE Computer Society Conference on
Computer Vision and Pattern Recognition (CVPR).

S. Hirose, T. Suenaga, K. Takemura, R. Kawakami, J. Takamatsu and T. Ogasawara (2010): Surface
Color Estimation Based on Inter- and Intra-Pixel Relationships in Outdoor Scenes, In Proc. of IEEE
Computer Society Conference on Computer Vision and Pattern Recognition (CVPR).

R. Kawakami and K. Ikeuchi (2009): Color Estimation from a Single Surface Color, In Proc. ofIEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR).

T. Kakuta, L. B. Vinh, R. Kawakami, T. Oishi and K. Ikeuchi (2008): Detection of Moving Objects
and Cast Shadows Using a Spherical Vision Camera for Outdoor Mixed Reality, ACM Symp. on
Virtual Reality Software and Technology (VRST).

S. Okura, R. Kawakami, K. Ikeuchi (2007): Simple Surface Reflectance Estimation of Diffuse
Outdoor Object using Spherical Images, in Proc. of Workshop on Multi-dimensional and Multi-view
Processing in conjunction with 8th Asian Conference on Computer Vision.

R. Kawakami, K. Ikeuchi (2007): Stabilizing Illumination Chromaticity Estimation using theIllumination Line Segment, in the Proceeding of the Tenth IAPR Conference on Machine Vision
Applications (MVA), pp.437-440.

D. Miyazaki, M. Kamakura, T. Higo, Y. Okamoto, R. Kawakami, T. Shiratori, A. Ikari, S. Ono, Y.
Sato, M. Oya, M. Tanaka, K.Ikeuchi, M. Aoyagi (2006): 3D Digital Archive of the Burghers ofCalais, In the Proc. of the International Conference on Virtual Systems and Multimedia (VSMM),
Lecture Notes in Computer Science.

R. Kawakami, R. T. Tan, K. Ikeuchi (2005): Consistent Surface Color for Texturing Large Objects

in Outdoor Scenes, in Proceedings of the Tenth IEEE International Conference on Computer Vision(ICCV), Vol.2, pp.1200-1207.

R. Kawakami, R. T. Tan, K. Ikeuchi (2004): A Robust Framework to Estimate Surface Color From
Changing Illumination, in Proceedings of the Sixth Asian Conference on Computer Vision (ACCV),
Vol.2, pp.1026-1031, Jeju, Korea.

Papers in preparation
R. Kawakami, R. Yoshihashi, S. Fukuda, S. You, M. Iida, T. Naemura (2019): Cross-connected
Networks for Multi-task Learning of Detection and Segmentation.

W. Shao, R. Kawakami, R. Yoshihashi, S. You, H. Kawase, T. Naemura (2019): Cattle detection andcounting in UAV images based on convolutional neural networks.

R. Yoshihashi, R. Kawakami, S. You, M. Iida, T. Naemura (2019): Differentiating objects bymotion: Joint detection and tracking of small flying objects.

K. Moriwaki, R. Yoshihashi, R. Kawakami, S. You, T. Naemura (2019): Single-Image-based HDR
Reconstruction with Physical, Perceptual and Adversarial constraints.

TALK
Invited Talk
S. You, R. T. Tan, R. Kawakami, K. Ikeuchi (2013): Adherent Raindrop Detection and Removal inVideo, Meeting on Image Recognition and Understanding (MIRU), Invited talk session, Tokyo,Japan.

R. Kawakami (2013): 6 th Core project review, Meeting on Image Recognition and Understanding(MIRU), Industry-academia partnership session, Tokyo, Japan.

R. Kawakami, J. Wright, Y. Tai, M. Ben-Ezra, Y. Matsushita and K. Ikeuchi (2011): High-resolution
Hyperspectral Imaging for Cultural Heritage, Dunhuang Forum: International Conference on
Cultural Heritages and Digitization, Dunhuang, China.

R. Kawakami, S. Hirose, J. Takamatsu and K. Ikeuchi (2010): Color estimation from a single surface
color, MSRA Keio-GCOE Workshop, Microsoft Research Asia.

Seminar Talk
R. Kawakami (2013): What can photometric analysis reveal for computer vision? 1st Thai-Japan
International Workshop on Computer Vision, Kasesaat University, Thailand, August 2013.

R. Kawakami, T. Morimoto, R. T. Tan, J. Wright, Y. Tai, M. Ben-Ezra, Y. Matsushita and K.
Ikeuchi (2011): Measurement and Analysis of Photometric Properties for e-Heritage, Graduate
Seminar in Chinese Academy of Science and Technology, Feb.

R. Kawakami, T. Morimoto, R. T. Tan and K. Ikeuchi (2010): Estimating Optical Properties ofLayered Surfaces Using the Spider Model, Robust Computer Vision Workshop in Chonnam
National University. Dec.

R. Kawakami, S. Hirose, J. Takamatsu and K. Ikeuchi (2010): Color estimation from outdoor
illumination, Joint Seminar in Osaka University. April.

R. Kawakami, S. Hirose, J. Takamatsu and K. Ikeuchi (2010): Probabilistic and Deterministic
Approaches for Color estimation, Graduate Seminar in Peking University. March.

AWARD
Outstanding reviewer, CVPR 2019
Outstanding reviewer award, Meeting on Image Recognition and Understanding (MIRU) 2018
Outstanding reviewer award, Meeting on Image Recognition and Understanding (MIRU) 2017
IPSJ Yamashita Prize, 2009
Best paper award, A. Wada, R. Kawakami, S. Kudoh, K. Ikeuchi, K. Komachiya, T. Miura, S.
Matsui and M. Fujihata (2009): Shading Analysis of Paintings Based on Real-World Objects andIllumination, IPSJ CVIM Workshop.

PATENTJapanese Patent:
発明の名称：計測装置および計測方法
出願番号：特願2013-187617
登録番号：特許第6372018号
登録日：2018/07/27
知財部管理番号：24B12Y001-1

PROFESSIONAL ACTIVITIES
Editorial work:
Associate Editor, International Journal of Computer Vision, Springer
Associate of EIC, Encyclopedia of Computer Vision, Springer
Editor, IEICE Trans. on Information and Systems
Editor, IPSJ “Information Processing”

Workshop & conference organizer:
ACM MM Asia 2022, Program Chair
E-Heritage Workshop, ICCV 2019, Program Chair
Machine Vision and Application (MVA) 2019, Tutorial chair
Machine Vision and Application (MVA) 2017, Organizer
E-Heritage Workshop, ACCV 2012, Program Chair
E-Heritage Workshop, ACCV 2010, Program Chair

Area chair:Computer Vision and Pattern Recognition (CVPR) 2022
3DV 2022
3DV 2021
Computer Vision and Pattern Recognition (CVPR) 2020
Winter Conference on Applications of Computer Vision (WACV) 2020
Machine Vision and Application (MVA) 2019
ACM Multimedia (ACMMM) 2018
Asian Conference on Computer Vision (ACCV) 2018
Machine Vision and Application (MVA) 2017

PC member:
PC member, AAAI 2020
Senior PC member, IJICAI 2020
Senior PC member, IJICAI 2019
PC member, Color and Photometry in Computer Vision (CPCV), in conjunction with ECCV 2013
PC member, International Workshop on Color and Photometry in Computer Vision (CPCV), inconjunction with ECCV 2012, ICCV 2011
PC member, IEEE Color and Photometry in Computer Vision Workshop (CPCV), in conjunction
with ICCV 2011

PC member, Color and Reflectance Workshop, in conjunction with ICCV 2009

Reviewer:
TPAMI, IJCV, TIP, JOSA, ICCV, CVPR, SIGGRAPH, ECCV, ACCV, ISMAR, ICIP, PSIVT,SCIA, ICPR, ACPRSTUDENT SUPERVISION AND COLLABORATION
W. Shao (Master student, U-Tokyo): April 2017 – March 2020
Y. Wang (Master student, U-Tokyo): April 2018 – March 2020
Y. Kodama (Master student, U-Tokyo): April 2018 – March 2021
L. Suzuki (Master student, U-Tokyo): April 2019 – March 2021
C. Kukulprasong (Undergrad student, U-Tokyo): April 2019 – March 2020
Y. Honda (Undergrad student, U-Tokyo): April 2019 – March 2020
R. Yoshihashi (Ph.D student, U-Tokyo): January 2014 – March 2019
K. Moriwaki (Master student, U-Tokyo): April 2017 – March 2019
K. Taguchi (Undergrad student, U-Tokyo): April 2018 – September 2019
S. Fukuda (Master student, U-Tokyo): April 2016 – March 2018
T. T. Trinh (Master student, U-Tokyo): April 2015 – March 2017
S. Oh (Undergrad student, U-Tokyo): April 2016 – March 2017
A. Takeki (Undergrad student, U-Tokyo): April 2015 – March 2016
T. H. Ba (Undergrad student, U-Tokyo): January 2014 – March 2016
S. You (Ph.D student, U-Tokyo): October 2010 – September 2015
T. Kawaguchi (Master student, U-Tokyo): April 2013 - March 2015
K. Watanabe (Master student, U-Tokyo): April 2013 – March 2015
S. Ishiguro (Master student, U-Tokyo): April 2013 - March 2015
R. Gotoh (Master student, U-Tokyo): April 2013 - March 2015
K. Inose (Ph.D student, U-Tokyo): April 2012 – May 2014
K. Suzuki (Master student, U-Tokyo): April 2012 – March 2014
T. Ikegami (Master student, U-Tokyo): April 2012 – March 2014
S. Shimizu (Master student, U-Tokyo): April 2011 – March 2013
H. Zhao (Ph.D student, U-Tokyo): April 2007 – March 2012
Y. Kobayashi (Master student, U-Tokyo): April 2009 – March 2011
L. B. Vinh (Ph.D student, U-Tokyo): April 2006 – March 2011
W. Zhou (Master student, U-Tokyo): October 2009 – March 2010
R. Kudoh (Master student, U-Tokyo): April 2008 – March 2010
A. Wada (Master student, U-Tokyo): April 2009 – March 2011

S. Hirose (Master student, NAIST): April 2008 – March 2010
T. Morimoto (Ph.D student, U-Tokyo): October 2006 – September 2009
S. Okura (Master student, U-Tokyo): April 2007 – March 2009

TECHNICAL EXPERIENCES
Programming language: C/C++, MATLAB, Java, OpenCV, Perl, OpenGL, python.
Operating system: Windows, Linux, Unix.