Haoqi Gao, Koichi Ogawara, "Face Reconstruction Algorithm based on Lightweight Convolutional Neural Networks and Channel-wise Attention," IIEEJ Transactions on Image Electronics and Visual Computing, Vol. 10, No. 1, pp. 90-97, 2022. DOI: 10.11371/tievciieej.10.1_90
Haoqi Gao, Koichi Ogawara, "Improvements over Coordinate Regression Approach for Large-Scale Face Alignment," IIEEJ Transactions on Image Electronics and Visual Computing, Vol. 10, No. 1, pp. 127-135, 2022. DOI: 10.11371/tievciieej.8.2_110
Haoqi Gao, Koichi Ogawara, "Bidirectional Mapping Augmentation Algorithm for Synthetic Images Based on Generative Adversarial Network," IIEEJ Transactions on Image Electronics and Visual Computing, Vol. 8, No. 2, pp. 110-120, 2020. DOI: 10.11371/tievciieej.8.2_110
Yumi Iwashita, Koichi Ogawara, Ryo Kurazume, "Identification of people walking along curved trajectories," Pattern Recognition Letters, Vol. 48, pp. 60-69, 2014.
Yasuhiro Akagi, Ryo Furukawa, Ryusuke Sagawa, Koichi Ogawara, Hiroshi Kawasaki, "Marker-less Facial Motion Capture based on the Parts Recognition," Journal of WSCG , vol. 21, no. 2, pp. 137-144, 2013.
Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Recognizing Assembly Tasks Through Human Demonstration," International Journal of Robotics Research, vol.26, no.7, pp. 641-659, 2007.7
Jun Takamatsu, Takuma Morita, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Representation for Knot-Tying Tasks," IEEE Transactions on Robotics, vol. 22, no. 1, pp. 65-78, 2006.2
小川原 光一, 高松 淳, 木村 浩, 池内 克史, "観察に基づく手作業の獲得における視覚の利用," 情報処理学会論文誌コンピュータビジョンとイメージメディア, vol. 44, no. SIG 17, pp. 13-23, 2003.12
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Extraction of Essential Interactions Through Multiple Observations of Human Demonstrations," IEEE Transactions on Industrial Electronics, vol. 50, no. 4, pp.667-675, 2003.12
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Acquisition of A Symbolic Manipulation Task Model by Attention Point Analysis," Advanced Robotics, vol. 17, no. 10, pp.1073-1091, 2003.10
小川原 光一, 高松 淳, 木村 浩, 池内 克史, "複数教示動作の時系列上での統合に基づく人間作業のモデル化手法," 情報処理学会論文誌コンピュータビジョンとイメージメディア, vol. 43, no. SIG 4, pp. 117-126, 2002.6
Daiki Sonegawa, Koichi Ogawara, "Segmentation and Shape Estimation of Multiple Deformed Cloths Using a CNN-Based Landmark Detector and Clustering," Proc. 2022 IEEE International Conference on Robotics and Automation (ICRA), pp.7043-7049, 2022. (Philadelphia, USA) DOI: 10.1109/ICRA46639.2022.9811551
Haoqi Gao, Koichi Ogawara, "Face alignment using a GAN-based photorealistic synthetic dataset" 2022 7th IEEE International Conference on Control and Robotics Engineering (ICCRE), pp.147-151, 2022. Best Presentation Award DOI: 10.1109/ICCRE55123.2022.9770233
Haoqi Gao, Koichi Ogawara, "Face alignment by learning from small real datasets and large synthetic datasets," 2022 Asia Conference on Cloud Computing, Computer Vision and Image Processing, pp.1-6, 2022. Best Oral Presentation Award
2020
Koichi Ogawara, Keita Iseki, "Estimation of object class and orientation from multiple viewpoints and relative camera orientation constraints," Proc. IEEE/RSJ 2020 International Conference on Intelligent Robots and Systems (IROS), pp.10588-10594, Oct. 2020. DOI: 10.1109/IROS45743.2020.9340771
Haoqi Gao, Koichi Ogawara, "Generative Adversarial Network for Bidirectional Mappings between Synthetic and Real Facial Image," The 12th International Conference on Digital Image Processing (ICDIP), pp.136-145, 2020. DOI: 10.1117/12.2572909
Haoqi Gao, Koichi Ogawara, "CGAN-based Synthetic Medical Image Augmentation between Retinal Fundus Images and Vessel Segmented Images," 2020 5th IEEE International Conference on Control and Robotics Engineering (ICCRE), pp.218-223, 2020. DOI: 10.1109/ICCRE49379.2020.9096438
2015
Tomoya Takeno, Ayano Murakami, Peng Han, Koichi Ogawara, Arata Suzuki, Kunitomo Kikuchi, "Development of Power Assist Suit for Supporting and Transporting Heavy Objects with Single Motor," The 34th Chinese Control Conference and SICE Annual Conference, ThC04-4, pp.1-4, 2015.
Kazuhiro Tateishi, Koichi Ogawara, Sachiko Tsukita, "Quantitative analysis of ciliary alignment on multiciliated epithelium," Cellular Dynamics & Modelbs, Cold Spring Harbor Laboratory 2015 Meeting & Courses, 2015.
Makoto Shinzaki, Yumi Iwashita, Ryo Kurazume, Koichi Ogawara, "Gait-Based Person Identification Method Using Shadow Biometrics for Robustness to Changes in the Walking Direction," IEEE Winter Conference on Applications of Computer Vision, pp.670-677, 2015.
2014
Kent Fujiwara, Hiroshi Kawasaki, Ryusuke Sagawa, Koichi Ogawara, Katsushi Ikeuchi, "Non-rigid Registration with Reliable Distance Field for Dynamic Shape Completion," Workshop on Dynamic Shape Measurement and Analysis 2014 in conjunction with International Conference on 3DV, pp.1-8, 2014.12
2013
Yasuhiro Akagi, Ryo Furukawa, Ryusuke Sagawa, Koichi Ogawara, Hiroshi Kawasaki, "A facial tracking and transfer method with a key point refinement," ACM SIGGRAPH 2013 Posters, no.79, pp.1-1, 2013.
Yasuhiro Akagi, Ryo Furukawa, Ryusuke Sagawa, Koichi Ogawara, Hiroshi Kawasaki, "Marker-less Facial Motion Capture based on the Parts Recognition," 21th WSCG International Conference on Computer Graphics, Visualization and Computer Vision 2013, vol.21, no.D17, pp.1-8, 2013.
Yasuhiro Akagi, Ryo Furukawa, Ryusuke Sagawa, Koichi Ogawara, Hiroshi Kawasaki, "A facial motion tracking and transfer method based on a key point detection," 21th WSCG International Conference on Computer Graphics, Visualization and Computer Vision 2013, vol.21, no.E73, pp.1-8, 2013.
Yumi Iwashita, Ryo Kurazume, Koichi Ogawara, "Expanding gait identification methods from straight to curved trajectories," Proc of IEEE Workshop on the Application of Computer Vision (WACV), pp.193-199, Jan., 2013. (Florida, USA)
2012
Seiichi Uchida, Masahiro Fukutomi, Koichi Ogawara, Yaokai Feng, "Non-Markovian Dynamic TimeWarping," Proc. 21th International Conference on Pattern Recognition (ICPR), pp.2294-2297, Nov. 2012. (Tsukuba, Japan)
2011
Yumi Iwashita, Ryosuke Baba, Koichi Ogawara, Ryo Kurazume, "Method for gait-based biometric identification robust to changes in observation angle," Proc. of 26th International Conference on Image and Vision Computing New Zealand, pp.1-5, 2011.11. (New Zealand)
Koichi Ogawara, Ryo Furukawa, Ryusuke Sagawa, and Hiroshi Kawasaki, "Marker-less Motion Capture using Dense Human-body Shape Scanning System," Proc. The First Joint 3DIM/3DPVT Conference (3DIMPVT), pp.1-2, May, 2011. (Hangzhou, China) (Technical Demonstration)
2010
Koichi Ogawara, Yasufumi Tanabe, Ryo Kurazume, Tsutomu Hasegawa, "Detecting Frequent Patterns in Video using Partly Locality Sensitive Hashing," Proc. the 2nd International Workshop on Video Event Categorization, Tagging and Retrieval in conjunction with ACCV 2010, WS4-P06, pp.1-10, Nov. 2010. (Queenstown, New Zealand)
Koichi Ogawara, Yasufumi Tanabe, Ryo Kurazume, Tsutomu Hasegawa, "Detecting Repeated Patterns using Partly Locality Sensitive Hashing," Proc. IEEE/RSJ 2010 International Conference on Intelligent Robots and Systems (IROS), pp.1353-1358, Oct. 2010. (Taipei, Taiwan)
Yumi Iwashita, Ryosuke Baba, Koichi Ogawara, Ryo Kurazume, "Person identification from spatio-temporal 3D gait," International Conference on Emerging Security Technologies, pp.30-35, Sep. 2010. (Kent, UK) Best Oral Presentation Award
Koichi Ogawara, "Approximate Belief Propagation by Hierarchical Averaging of Outgoing Messages," Proc. 20th International Conference on Pattern Recognition (ICPR), pp.1368-1372, Aug. 2010. (Istanbul, Turkey) (Oral presentation)
2009
Koichi Ogawara, Yasufumi Tanabe, Ryo Kurazume, Tsutomu Hasegawa, "Detecting Repeated Motion Patterns via Dynamic Programming using Motion Density," Proc. 2009 IEEE International Conference on Robotics and Automation (ICRA), pp.1743-1749, May. 2009. (Kobe, Japan)
2008
Miti Ruchanurucks, Koichi Ogawara, Katsushi Ikeuchi, "Integrating Region Growing and Classification for Segmentation and Matting," Proc. IEEE International Conference on Image Processing (ICIP), pp.593-596, Oct. 2008. (California, U.S.A.)
Koichi Ogawara, Yasufumi Tanabe, Ryo Kurazume, Tsutomu Hasegawa, "Learning Meaningful Interactions from Repetitious Motion Patterns," Proc. IEEE/RSJ 2008 International Conference on Intelligent Robots and Systems (IROS), pp.3350-3355, Sep. 2008. (Nice, France)
Shunsuke Kudoh, Naoto Ikeda, Katsushi Ikeuchi, Koichi Ogawara, "Learning Everyday Object Manipulation from Observation," Proc. International Workshop on Grasp and Task Learning by Imitation in conjunction with IEEE/RSJ 2008 International Conference on Intelligent Robots and Systems (IROS), pp.77-82, Sep. 2008. (Nice, France)
Shunsuke Kudoh, Koichi Ogawara, Miti Ruchanurucks, Jun Takamatsu, Kei Komachiya, Katsushi Ikeuchi, "A Robot Painter---Reproduction of Drawing Behavior by a Robot," Proc. ASIAGRAPH, vol. 2, no. 1, pp.85-90, Jun. 2008. (Shanghai)
2007
Miti Ruchanurucks, Shunsuke Kudoh, Koichi Ogawara, Takaaki Shiratori, Katsushi Ikeuchi, "Robot Painter: From Object to Trajectory," Proc. IEEE/RSJ 2007 International Conference on Intelligent Robots and Systems (IROS), pp.339-345, Oct. 2007. (San Diego, USA)
Koichi Ogawara, Xiaolu Li, Katsushi Ikeuchi, "Marker-less Human Motion Estimation using Articulated Deformable Model," Proc. 2007 IEEE International Conference on Robotics and Automation (ICRA), pp.46-51, Apr. 2007. (Rome, Italy) Best Vision Paper Award
Miti Ruchanurucks, Shunsuke Kudoh, Koichi Ogawara, Takaaki Shiratori, Katsushi Ikeuchi, "Humanoid Robot Painter: Visual Perception and High-Level Planning," Proc. 2007 IEEE International Conference on Robotics and Automation (ICRA), pp.3028-3033, Apr. 2007. (Rome, Italy)
2006
Koichi Ogawara, Shintaro Ono, Masataka Kagesawa, Hiroshi Kawasaki, Katsushi Ikeuchi, "Real-image based driving view synthesizing system for innovative traffic evperiment space," Proc. IEEE/RSJ 2006 International Conference on Intelligent Robots and Systems (IROS), Oct. 2006. (Beijing, China)
Shunsuke Kudoh, Koichi Ogawara, Miti Ruchanurucks, Katsushi Ikeuchi, "Painting Robot with Multi-Fingered Hands and Stereo Vision," Proc. IEEE Multisensor Fusion and Integration for Intelligent Systems (MFI), pp.127-132, Sep. 2006. (Germany)
Miti Ruchanurucks, Koichi Ogawara, Katsushi Ikeuchi, "Neural Network Based Foreground Segmentation with an
Application to Multi-Sensor 3D Modeling," Proc. IEEE Multisensor Fusion and Integration for Intelligent Systems (MFI), pp.116-121, Sep. 2006. (Germany)
2005
Shintaro Ono, Koichi Ogawara, Masataka Kagesawa, Hiroshi Kagesawa, Masaaki Onuki, Junichi Abeki, Toru Yano, Masami Nerio, Ken Honda, Katsushi Ikeuchi, "A Photo-Realistic Driving Simulation System for Mixed-Reality Traffic Experiment Space," Proc. IEEE International Vehicles Symposium (IV), Jun. 2005.
Shintaro Ono, Koichi Ogawara, Masataka Kagesawa, Hiroshi Kagesawa, Masaaki Onuki, Ken Honda, Katsushi Ikeuchi, "Driving View Simulation Synthesizing Virtual Geometry and Real Images in an Experimental Mixed-Reality Traffic Space," Proc.4th IEEE/ACM International Symposium on Mixed and Augmented Reality (ISMAR), pp.214-215, Oct. 2005 (Austria)
2004
Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Recognizing Knot Tying Tasks Based on Movement Primitives from Observation," Proc. The Second International Workshop on Man-Machine Symbiotic Systems(MMSS), pp.303-314, Nov. 2004. (京都)
Shintaro Ono, Koichi Ogawara, Masataka Kagesawa, Hiroshi Kawasaki, Keiichi Kenmotsu, Mayumi Sakai, Motomu Tsuji, Katsushi Ikeuchi, "Image generation system for mixed-reality traffic experiment space," Proc. 11th World Congress on Intelligent Transort Systems and Services (ITSWC), Oct. 2004. (名古屋)
Kenji Sakita, Koichi Ogawara, Shinji Murakami, Kentaro Kawamura, Katsushi Ikeuchi, " Flexible Cooperation between Human and Robot by interpreting Human Intention from Gaze Information," Proc. IEEE/RSJ 2004 International Conference on Intelligent Robot and Systems (IROS), pp.846-851, Oct. 2004. (仙台)
Yuichiro Hirota, Tomohito Masuda, Ryo Kurazume, Koichi Ogawara, Kazuhide Hasegawa and Katsushi Ikeuchi, "Designing A Laser Range Finder Which is Suspended Beneath A Balloon," Proc. The sixth Asian Conference on Computer Vision (ACCV), Jan. 2004. (Jeju-island, Korea)
Yuichiro Hirota, Tomohito Masuda, Ryo Kurazume, Kohichi Ogawara, Kazuhide Hasegawa, Katsushi Ikeuchi, "Flying Laser Range Finder and its data registration," Proc. 2004 IEEE International Conference on Robotics and Automation (ICRA), pp.3155-3160, Apr. 2004. (New Orleans, LA, USA).
2003
Koichi Ogawara, Kentaro Hashimoto, Jun Takamatsu, Katsushi Ikeuchi, "Grasp Recognition using a 3D Articulated Model and Infrared Images," Proc. IEEE/RSJ 2003 International Conference on Intelligent Robot and Systems (IROS), pp.1590-1595, Oct. 2003. (Las Vegas, USA)
Keni Bernardin, Koichi Ogawara, Katsushi Ikeuchi, Ruedinger Dillmann, "A Hidden Markov Model Based Sensor Fusion Approach for Recognizing Continuous Human Grasping Sequences," Proc. IEEE-RAS International Conference on Humanoid Robots (Humanoids), Oct. 2003. (Karlsruhe and Munich, Germany)
Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Calculating Possible Local Displacement of Curve Objects using Improved Screw Theory," Proc. 2003 IEEE International Conference on Robotics and Automations (ICRA), pp.3881-3886, Sep. 2003. (台湾)
Takuma Morita, Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Knot Planning from Observation," Proc. 2003 IEEE International Conference on Robotics and Automations (ICRA), pp.3887-3892, Sep. 2003. (台湾)
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Estimation of essential interactions from multiple demonstrations," Proc. 2003 IEEE International Conference on Robotics and Automations (ICRA), pp.3893-3898, Sep. 2003. (台湾)
Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Second Order Approximation of Possible Local Displacement for Curve Objects," Proc. IEEE Multisensor Fusion and Integration for Intelligent Systems (MFI), pp.101-106, Jul. 2003. (東京)
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Estimation of essential interactions to achieve a task by integrating demonstrations," Proc. IEEE International Symposium on Computational Intelligence in Robotics and Automation (CIRA), pp.401-406, Jul. 2003. (神戸)
2002
Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Correcting Observation Errors for Assembly Task Recognition," Proc. IEEE/RSJ 2002 International Conference on Intelligent Robot and Systems (IROS), pp.232-237, Oct. 2002. (Lausanne, Switzerland)
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Modeling Manipulation Interactions by Hidden Markov Models," Proc. IEEE/RSJ 2002 International Conference on Intelligent Robot and Systems (IROS), pp.1096-1101, Oct. 2002. (Lausanne, Switzerland)
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Generation of a task model by integrating multiple observations of human demonstrations," Proc. 2002 IEEE International Conference on Robotics and Automations (ICRA), pp.1545-1550, May 2002. (Washington D.C. USA)
2001
Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Refining hand-action models through repeated observations of human and robot behavior by combined template matching," Proc. IEEE/RSJ 2001 International Conference on Intelligent Robot and Systems (IROS), pp.545-550, Oct. 2001. (Hawaii, USA)
Koichi Ogawara, Jun Takamatsu, Hiroshi Kimura, Katsushi Ikeuchi, "Extraction of fine motion through multiple observations of human demonstration by DP matching and combined template matching," Proc. 10th IEEE International Workshop on Robot and Human Communication (ROMAN), pp.8-13, Sep. 2001. (Bordeaux - Paris, France)
Koichi Ogawara, Soshi Iba, Tomikazu Tanuki, Hiroshi Kimura, Katsushi Ikeuchi, "Acquiring hand-action models by attention point analysis," Proc. 2001 IEEE International Conference on Robotics and Automations (ICRA), vol. 4, pp.465-470, May 2001. (Seul, Korea)
2000
Koichi Ogawara, Soshi Iba, Tomikazu Tanuki, Hiroshi Kimura, Katsushi Ikeuchi, "Recognition of Human Task by Attention Point Analysis," Proc. IEEE/RSJ 2000 International Conference on Intelligent Robot and Systems (IROS), vol. 3, pp.2121-2126, Nov. 2000. (香川)
Jun Takamatsu, Hirohisa Tominaga, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Extracting Manipulation Skills from Observation," Proc. IEEE/RSJ 2000 International Conference on Intelligent Robot and Systems (IROS), vol. 1, pp.584-589, Nov. 2000. (香川)
Koichi Ogawara, Jun Takamatsu, Soshi Iba, Tomikazu Tanuki, Yoshihiro Sato, Akira Saegusa, Hiroshi Kimura, Katsushi Ikeuchi, "Acquiring hand-action models in task and behavior levels by a learning robot through observing human demonstrations," Proc. The First IEEE-RAS International Conference on Humanoid Robots (Humanoids), Sep. 2000. (Boston, USA)
Hirohisa Tominaga, Jun Takamatsu, Koichi Ogawara, Hiroshi Kimura, Katsushi Ikeuchi, "Symbolic Representation of Trajectories for Skill Generation," Proc. 2000 IEEE International Conference on Robotics and Automations (ICRA), vol. 4, pp.4077-4082, Apr. 2000. (San Francisco, USA)
Y. Akagi and R. Furukawa and R. Sagawa and K. Ogawara and H. Kawasaki, "Marker-less Dense Facial Motion Capture System based on Key Point Tracking," 第16回画像の認識?理解シンポジウム(MIRU)予稿集, pp.1-2, Jul. 2013. (東京)
Koichi Ogawara, "Approximate Belief Propagation using Multi-Directional Averaged Predictive Coding and its Application to Stereo on GPU," Proc. of The 5th International Workshop on Robust Vision Technology, Dec. 2009. (Tokyo, Japan)
Koichi Ogawara, "Approximate Belief Propagation using Multi-Directional Predictive Coding and its Application to Stereo on GPU," Proc. The Fifth Joint Workshop on Machine Perception and Robotics (MPR), pp.1-4, Oct. 2009. (Kyoto, Japan)
Yasufumi Tanabe, Koichi Ogawara, Ryo Kurazume, Tsutomu Hasegawa, "Detecting Frequent Actions using Partly Locality Sensitive Hashing," Proc. The Fifth Joint Workshop on Machine Perception and Robotics (MPR), pp.1-6, Oct. 2009. (Kyoto, Japan) Best Poster Paper Award
Yasuyuki Kamezaki, Koichi Ogawara, Ryo Kurazume, Tsutomu Hasegawa, "Pose Estimation of an Object in a Multi-fingered Robot Hand using Visual and Force Information," Proc. The Fifth Joint Workshop on Machine Perception and Robotics (MPR), pp.1-2, Oct. 2009. (Kyoto, Japan)
Masahiro Fukutomi, Koichi Ogawara, Yaokai Feng, Seiichi Uchida, "Recognition of Sequential Pattern by Local Classifiers," Proc. The Fifth Joint Workshop on Machine Perception and Robotics (MPR), pp.1-1, Oct. 2009.
Koichi Ogawara, "Learning Meaningful Interactions from Observation by Repetitious Motion Analysis," Proc. The Third Joint Workshop on Machine Perception and Robotics (MPR), OS2-3, Nov. 2007. (滋賀)
Katsushi Ikeuchi, Hiroshi Kimura, Koichi Ogawara, Soshi Iba, Tomikazu Tanuki, "Recognition and Performance of Human Operation using Sensor Gloves and 9Eyes stereo Vision System," Proc. International Symposium of Multimedia Mediation Systems, pp. 13, Feb. 2000.
1999
Hiroshi Kimura, Koichi Ogawara, and Katsushi Ikeuchi, "Task-Model Based Human Robot Cooperation Using Vision," Proc. Third International Workshop on Cooperative Distributed Vision (CDV), pp.131-144, Nov. 1999.