Takashi Ijiri

Media Sensing Lab., Ritsumeikan Univ.
Ph.D, Information Science and Technology

mail: takashi.ijiri80 AT
resume(.pdf)   Publications   Classes    Study memo    github    facebook

Recent updates
2017/2 : My collaborator is finishing IPA Mito Project.
2017/2 : One paper was accepted for ICASSP 2017.
2017/2 : A paper was accepted for IEVC (cllaboration with Y. Dobashi and H. Todo).
2016/10: Our 3 papers were accepted for APSIPA 2016.


3D modeling, Fabrication Texture synthesis, Segmentation
Image / Volume / Video processing
Hobby: Classical guitar, Badminton, Baseball, etc.

Short Bio.

April 2015 - Present Lecturer, Ritsumeikan University.
April 2012 - March 2015 Special Postdoctoral Researcher, Image Processing Research Team, RIKEN.
April 2013 - March 2016 Visiting Associate Professor , Dept. Human Mechanical Systems & Design, Hokkaido U.
April 2009 - March 2012 Postdoctoral Researcher , Biological infrastructure construction team, RIKEN.
April 2004 - March 2009 Graduate student , The University of Tokyo. Mentored by Prof. Takeo Igarashi.
April 2000 - March 2004 Undergrad. student , Tokyo Institute of Technology. Mentored by Prof. Etsuya Shibayama.

Selected Publication

Automatic Spin Measurements for Pitched Baseballs via Consumer-Grade High-Speed Cameras
Signal Image and Video Processing [project page] [Springer page]
Modeling Plant Life in Computer Graphics
ACM SIGGRAPH 2016 courses [project page] [ACM DL]
CogKnife: Food Recognition From Their Cutting Sounds
CEA2016 [project page]
Interactive Deformation of Structurally Complex Heart Models Constructed from Medical Images
Eurographics 2016 short paper. [project page]
Flower Modeling via X-ray Computed Tomography
SIGGRAPH 2014 [project page] [CT volume Libraly]
Prediction of open urinary tract in laparoscopic partial nephrectomy by virtual resection plane visualization
BMC Urology 2014 [paper - Open access]
Bilateral Hermite Radial Basis Functions for Contour-based Volume Segmentation
EUROGRAPHICS 2013. [project page]
A Kinematic Approach for Efficient and Robust Simulation of the Cardiac Beating Motion
PLoS ONE, 2012. Project Page
Contour-based Interface for Refining Volume Segmentation
Pacific Graphics 2010. Project Page
ProcDef: Local-to-global Deformation for Skeleton-free Character Animation
Pacific Graphics 2009. Project Page
Lapped Solid Textures: Filling a Model with Anisotropic Textures
SIGGRAPH 2008. Project Page
Surface-based Growth Simulation for Opening Flowers
Graphics Interface 2008. Project Page
An Example-based Procedural System for Element Arrangement
Eurographics 2008. Project Page
A procedural method for modeling the Purkinje fibers of the heart
The Journal of Physiological Science 2008. Project Page
A Sketch-based Interface for Modeling Myocardial Fiber Orientation that Considers the Layered Structure of the Ventricles
JPS 2008. Project Page
Light Shower: A Poor Man’s Light Stage Built with an Off-the-shelf Umbrella and Projector
SIGGRAPH 2007, Sketches. Project Page
Seamless Integration of Initial Sketching and Subsequent Detail Editing in Flower Modeling
Eurographics 2006. Project Page
Sketch L-System: Global Control of Tree Modeling Using Free-form Stroke
SmartGraphics 2006. Project Page
Floral diagrams and inflorescences: Interactive flower modeling using botanical structural constraints
SIGGRAPH 2005. Project Page


Software page
Software page
3D Flower Creator
software page


2016. Local executive committee. Pacific Graphics.
2016. International Program Committee. Pacific Graphics.
2016. Organizer. ACM CHI 2016 Symposium on Emerging Japanese HCI Research Collection.
2016. Program Committee. VC/GCAD Symposium.
2015. Program Committee. VC/GCAD Symposium.
2014. Program Committee. The 20th ACM Symposium on Virtual Reality Software Technology.
2014. Program Committee. Visual Computing / グラフィクスと CAD 合同シンポジウム 2014.
2013 - 2015. Committee. 情報処理学会 グラフィクスとCAD.
2010. Program Committee. Pacific Graphics 2010.
Paper reviewSIGGRAPH 2016, TOG 2016, TOG 2015, CGF 2014, EuroGraphics2014, SIGGRAPH 2014, SIGGRAPH ASIA 2014, SIGGRAPH ASIA 2013, and so on.

Reports and Awards

2012/11 DigInfo on youtube at DCExpo
2012/10/30 博士力東京海洋大学 博士人材キャリア開発プログラム, 博士力(5)(インタビュー記事)
2007/1 オープンソースマガジン(ソフトバンククリエイティブ), ハッカー養成塾"植物とハッカー" 寄稿.
2006/7/25 火曜日 "院生ホープ, 誰でも花のCG化可能に", 東京大学新聞.
2005/9/13 "花のCG30分で完成", 日経産業新聞.

2014/6/28 情報処理学会グラフィクスとCAD研究会, 優秀研究発表賞, Bilateral Domainに拡張した陰関数による画像領域分割法.(VC賞受賞)
2012/10/25 経済産業省, Innovative Technologies (特別賞 : Human), 『リアルタイム3次元心臓拍動シミュレータ』. link(pdf)
2011/6/27 情報処理学会グラフィクスとCAD研究会, 優秀研究発表賞, 輪郭線編集による三次元抽出領域の修正インタフェース.
2011/4/20 文部科学省, 平成23年度 科学技術分野の文部科学大臣表彰 若手科学者, 『生物の複雑な形態や動きを計算機内で構築する環境の研究』.link(pdf)
2011/3/3 情報処理学会, 山下記念研究賞, 柔軟な物体の能動的な動作の表現手法.
2010/7/16 情報処理学会グラフィクスとCAD研究会, 優秀研究発表賞, 柔軟な物体の能動的な動作の表現手法.(VC賞受賞)
2010/4/17 (財)船井情報科学振興財団, 船井学術奨励賞, 『複雑な構造を持つ生物のためのモデリングインタフェースに関する研究』. link
2009/7/13 情報処理学会グラフィクスとCAD研究会, 優秀研究発表賞, 開花アニメーションのための花弁の成長シミュレーション.
2009/3/23 東京大学大学院 情報理工学系研究科, 研究科長賞.
2009/3/19 芸術科学会, NICOGRAPH 2009 春季大会, CG国際大賞受賞優秀賞, 『Lapped Solid Textures Filling a Model with Anisotropic Textures』.
2008/5/28 Graphics interface 2008, Michael A. J. Sweeney Award (best student paper award). 『Surface-based growth simulation for opening flowers』.
2008/3/28 芸術科学会, NICOGRAPH 2008 春季大会, CG国際大賞審査員特別賞, 『Floral diagrams and inflorescences: Interactive flower modeling using botanical structural constraints』.
2006/5/17 情報処理振興事業協会(IPA) 未踏ソフト創造事業(2005年度), 天才プログラマー/スーパークリエータ認定.
2005/5/18 情報処理振興事業協会(IPA) 未踏ソフト創造事業(2004年度, 未踏ユース), 天才プログラマー/スーパークリエータ認定.
2005/6/16 画像電子学会, Visual Computing / グラフィクスとCAD 合同シンポジウム, VC賞(Poster部門), "スケッチベースの草花のモデリング".