Publications

Hui Niu, Takahiro Ito, Damien Desclaux, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida (2022). Estimating Muscle Activity from the Deformation of a Sequential 3D Point Cloud. Journal of Imaging.

Ryo Furukawa, Michihiro Mikamo, Ryusuke Sagawa, Hiroshi Kawasaki (2022). Single-Shot Dense Active Stereo With Pixel-Wise Phase Estimation Based on Grid-Structure Using CNN and Correspondence Estimation Using GCN. Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision.

Michihiro Mikamo, Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki (2022). 3D endoscope system with AR display superimposing dense and wide-angle-of-view 3D points obtained by using micro pattern projector. 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC).

Michihiro Mikamo, Hiroshi Kawasaki, Sagawa Ryusuke, Ryo Furukawa (2021). GCN-Calculated Graph-Feature Embedding for 3D Endoscopic System Based on Active Stereo. International Workshop on Frontiers of Computer Vision, pp. 253-266, Springer, Cham.

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Ryo Furukawa, Michihiro Mikamo, Hiroshi Kawasaki, Ryusuke Sagawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka (2021). Simultaneous estimation of projector and camera poses for multiple oneshot scan using pixel-wise correspondences estimated by U-Nets and GCN. Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization.

Ryosuke Yamada, Ryo Takahashi, Ryota Suzuki, Akio Nakamura, Yusuke Yoshiyasu, Ryusuke Sagawa, Hirokatsu Kataoka (2021). MV-FractalDB: Formula-driven Supervised Learning for Multi-view Image Recognition. 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).

Michihiro Mikamo, Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki (2021). Active Stereo Method for 3D Endoscopes using Deep-layer GCN and Graph Representation with Proximity Information. 2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC).

Gabas Nova Antonio, Yoshiyasu Yusuke, Rohan Pratap Singh, Sagawa Ryusuke, Yoshida Eiichi (2020). APE: A More Practical Approach To 6-Dof Pose Estimation. 2020 IEEE International Conference on Image Processing (ICIP), pp. 3164-3168.

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R. Furukawa, S. Oka, T. Kotachi, Y. Okamoto, S. Tanaka, Sagawa Ryusuke, H. Kawasaki (2020). Fully Auto-calibrated Active-stereo-based 3D Endoscopic System using Correspondence Estimation with Graph Convolutional Network. 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC),pp. 4357-4360.

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V. Samy, Ayusawa Ko, Yoshiyasu Yusuke, Sagawa Ryusuke, Yoshida Eiichi (2020). Fusion of Multiple Motion Capture Systems for Musculoskeletal Analysis. 2020 IEEE/SICE International Symposium on System Integration (SII), pp. 295-299.

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Sagawa Ryusuke, Y. Higuchi, H. kawasaki, R. Furukawa, Ito Takahiro (2020). Dense Pixel-wise Micro-motion Estimation of Object Surface by using Low Dimensional Embedding of Laser Speckle Pattern. Proceedings of the Asian Conference on Computer Vision (ACCV).

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Katsushi Ikeuchi, Yasuyuki Matsushita, Sagawa Ryusuke, Hiroshi Kawasaki, Yasuhiro Mukaigawa, Ryo Furukawa, Daisuke Miyazaki (2020). Active Lighting and Its Application for Computer Vision. Springer.

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Ryusuke Sagawa (2019). Image Processing Method.

Vincent Samy, Ayusawa Ko, Yoshiyasu Yusuke, Sagawa Ryusuke, Yoshida Eiichi (2019). Musculoskeletal Estimation Using Inertial Measurement Units and Single Video Image. 2019 IEEE International Conference on Advanced Robotics and its Social Impacts (ARSO), pp.33~44.

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Genki Nagamatsu, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki (2019). Single-wavelength and multi-parallel dotted-and solid-lines for dense and robust active 3D reconstruction. 2019 16th International Conference on Machine Vision Applications (MVA),pp. 1~6.

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Yoshiyasu Yusuke, Sagawa Ryusuke, Ayusawa Ko, Akihiko Murai (2018). Skeleton transformer networks: 3d human pose and skinned mesh from single rgb image. Asian Conference on Computer Vision,pp. 485~500.

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Sagawa Ryusuke, Ayusawa Ko, Yoshiyasu Yusuke, Akihiko Murai (2018). Predicting Muscle Activity and Joint Angle from Skin Shape. Proceedings of the European Conference on Computer Vision (ECCV) Workshops.

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Sagawa Ryusuke, Ryo Furukawa, Akiko Matsumoto, Hiroshi Kawasaki (2017). Learning-based feature extraction for active 3d scan with reducing color crosstalk of multiple pattern projections. 2017 IEEE International Conference on Robotics and Automation (ICRA),pp. 5074~5080.

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Sagawa Ryusuke, Hiroshi Kawasaki, Ryo Furukawa (2017). Image processing system, and image processing method.

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Hiroshi Kawasaki, Hideaki Nakai, Hirohisa Baba, Sagawa Ryusuke, Ryo Furukawa (2017). Calibration technique for underwater active oneshot scanning system with static pattern projector and multiple cameras. 2017 IEEE Winter Conference on Applications of Computer Vision (WACV),pp. 302~310.

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Sagawa Ryusuke, Yutaka Satoh (2017). Illuminant-camera communication to observe moving objects under strong external light by spread spectrum modulation. Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, pp. 5097~5105.

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Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki (2017). Depth Estimation Using Structured Light Flow--Analysis of Projected Pattern Flow on an Object's Surface. Proceedings of the IEEE International Conference on Computer Vision,pp. 4640~4648.

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Sagawa Ryusuke, Yuki Shiba, Takuto Hirukawa, Satoshi Ono, Hiroshi Kawasaki, Ryo Furukawa (2016). Automatic feature extraction using cnn for robust active one-shot scanning. 2016 23rd International Conference on Pattern Recognition (ICPR),pp. 234~239.

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Ryo Furukawa, Yoji Sanomura, Shinji Tanaka, Shigeto Yoshida, Sagawa Ryusuke, Marco Visentini-Scarzanella, Hiroshi Kawasaki (2016). 3D endoscope system using DOE projector. 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC),pp. 2091~2094.

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Hiroshi Kawasaki, Ryo Furukawa, Sagawa Ryusuke (2016). Underwater Active Oneshot Scan with Static Wave Pattern and Bundle Adjustment. Image and Video Technology: 7th Pacific-Rim Symposium, PSIVT 2015, Auckland, New Zealand, November 25-27, 2015, Revised Selected Papers,9431 pp.404.

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Hiroki Morinaga, Hirohisa Baba, Marco Visentini-Scarzanella, Hiroshi Kawasaki, Ryo Furukawa, Sagawa Ryusuke (2015). Underwater active oneshot scan with static wave pattern and bundle adjustment. Image and Video Technology, pp.404~418.

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Sagawa Ryusuke, Yoshiyasu Yusuke, Alexander Alspach, Ayusawa Ko, Katsu Yamane, Adrian Hilton (2015). Analyzing muscle activity and force with skin shape captured by non-contact visual sensor. Image and Video Technology, pp.488~501.

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Michihiro Mikamo, Yoshinori Oki, Marco Visentini-Scarzanella, Hiroshi Kawasaki, Ryo Furukawa, Sagawa Ryusuke (2015). A Triangle Mesh Reconstruction Method Taking into Account Silhouette Images. Image and Video Technology, pp.582~593.

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Bong Keun Kim, Yasushi Sumi, Sagawa Ryusuke, Kenji Kosugi, Shigeto Mochizuki (2015). Visibility reduction based performance evaluation of vision-based safety sensors. 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp.4692~4697.

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Sagawa Ryusuke, Charles Malleson, Mitsuharu Morisawa, Kenji Kaneko, Fumio Kanehiro, Yoshio Matsumoto, Adrian Hilton (2015). Modeling dynamic scenes by one-shot 3D acquisition system for moving humanoid robot. 2015 24th IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN), pp.601~608.

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Ryo Furukawa, Ryunosuke Masutani, Daisuke Miyazaki, Masashi Baba, Shinsaku Hiura, Marco Visentini-Scarzanella, Hiroki Morinaga, Hiroshi Kawasaki, Sagawa Ryusuke (2015). 2-dof auto-calibration for a 3d endoscope system based on active stereo. 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC),pp. 7937~7941.

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Yoshinori Oki, Marco Visentini-Scarzanella, Tomohito Wada, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki (2015). Entire shape scan system with multiple pro-cams using texture information and accurate silhouette creating technique. 2015 14th IAPR International Conference on Machine Vision Applications (MVA), pp.18~21.

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Marcos Slomp, Hiroshi Kawasaki, Ryo Furukawa, Sagawa Ryusuke (2014). Temporal octrees for compressing dynamic point cloud streams. 2014 2nd International Conference on 3D Vision,2 ,pp. 49~56.

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Sagawa Ryusuke, Nozomu Kasuya, Yoshinori Oki, Hiroshi Kawasaki, Yoshio Matsumoto, Ryo Furukawa (2014). 4d capture using visibility information of multiple projector camera system. 2014 2nd international conference on 3D vision,2 ,pp. 14~21.

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Sagawa Ryusuke, Yoshio Matsumoto, Hiroshi Kawasaki, Ryo Furukawa (2014). Parallel processing of grid-based one-shot structured-light system for online 3D reconstruction of moving objects. 2014 IEEE International Conference on Robotics and Biomimetics (ROBIO 2014), pp.1976~1982.

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Hirooki Aoki, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Atsushi Suzuki, Tsuyoshi Shiga (2014). Study on separate extraction of cardiac beat and respiratory movement and visualization of cardiac beat using three-dimensional shape reconstruction by grid-based active stereo. Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering,80 ,12 ,pp. 1109~1114.

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Hiroshi Kawasaki, Ryo Furukawa, Sagawa Ryusuke, Yasushi Yagi (2014). Image processing device, image processing method, and program.

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Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Hirooki Aoki, Yoko Kominami, Yoji Sanomura, Shigeto Yoshida, Shinji Tanaka, Sagawa Ryusuke, Hiroshi Kawasaki (2014). Calibration of a 3d endoscopic system based on active stereo method for shape measurement of biological tissues and specimen. 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society,pp 4991-4994.

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Ryo Furukawa, Ishin Nishitani, Masahito Aoyama, Shinsaku Hiura, Hirooki Aoki, Yoko Kominami, Taiji Matsuo, Shigeto Yoshida, Shinji Tanaka, Sagawa Ryusuke, others (2014). Shape measurement of biological tissue by using 3D endoscope based on active stereo method. IEICE Technical Report; IEICE Tech. Rep.,113 ,493 ,pp. 61~66.

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Yasushi Makihara, Muhammad Rasyid Aqmar, Ngo Thanh Trung, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Yasushi Yagi (2014). Phase estimation of a single quasi-periodic signal. IEEE Transactions on Signal Processing,66 ,8 ,pp. 2066-2079.

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Sagawa Ryusuke, Ryo Furukawa, Hiroshi Kawasaki (2014). Dense 3D reconstruction from high frame-rate video using a static grid pattern. IEEE transactions on pattern analysis and machine intelligence,36 ,9 ,pp. 1733-1747.

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Yoshiyasu Yusuke, Yoshida Eiichi, Kazuhito Yokoi, Sagawa Ryusuke (2014). Symmetry-aware nonrigid matching of incomplete 3d surfaces. Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition,pp. 4193-4200.

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Hirooki Aoki, Ryo Furukawa, Ishin Nishitani, Masahito Aoyama, Shinsaku Hiura, Yoko Kominami, Taiji Matsuo, Shigeto Yoshida, Shinji Tanaka, Sagawa Ryusuke, others (2014). Proposal of calibration method for 3-D digestive endoscope using grid active stereo. Transactions of Japanese Society for Medical and Biological Engineering,52 ,2 ,pp. 97~107.

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Sagawa Ryusuke, Tatsuya Kawamura, Ryo Furukawa, Hiroshi Kawasaki, Yoshio Matsumoto (2014). One-shot 3d reconstruction of moving objects by projecting wave grid pattern with diffractive optical element. Proc. 11th IMEKO Symposium Laser Metrology for Precision Measurement and Inspection in Industry.

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Hiroshi Kawasaki, Hitoshi Masuyama, Sagawa Ryusuke, Ryo Furukawa (2013). Single colour one-shot scan using modified penrose tiling pattern. IET Computer Vision,7 ,5 ,pp. 293~301.

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Yasuhiro Akagi, Ryo Furukawa, Sagawa Ryusuke, Koichi Ogawara, Hiroshi Kawasaki (2013). Marker-less facial motion capture based on the recognition of the parts. Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering,79 ,11 ,pp. 1152-1158.

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Hirooki Aoki, Hiroshi Kawasaki, Sagawa Ryusuke, Ryo Furukawa (2013). Biomedical Measurement by Applying Active Stereo Image Measurement. IEICE Technical Report; IEICE Tech. Rep. ,113 ,281 ,pp. 23.

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Matteo Pagliardini, Yasuhiro Akagi, Marcos Slomp, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki (2013). Exemplar-Based Hole-Filling Technique for Multiple Dynamic Objects. Pacific-Rim Symposium on Image and Video Technology,pp. 242~253.

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Yasuhiro Akagi, Ryo Furukawa, Sagawa Ryusuke, Koichi Ogawara, Hiroshi Kawasaki (2013). A facial tracking and transfer method with a key point refinement. ACM SIGGRAPH 2013 Posters,pp. 1.

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Hirooki Aoki, Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Naoki Asada, Sagawa Ryusuke, Hiroshi Kawasaki, Shinji Tanaka, Shigeto Yoshida, Yoji Sanomura (2013). Proposal on 3-d endoscope by using grid-based active stereo. 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC),pp. 5694-5697.

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Hirooki Aoki, Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Naoki Asada, Sagawa Ryusuke, Hiroshi Kawasaki, Tsuyoshi Shiga, Atsushi Suzuki (2013). Noncontact measurement of cardiac beat by using active stereo with waved-grid pattern projection. 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC),pp. 1756-1759.

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Nozomu Kasuya, Sagawa Ryusuke, Hiroshi Kawasaki, Ryo Furukawa (2013). Robust and accurate one-shot 3D reconstruction by 2C1P system with wave grid pattern. 2013 International Conference on 3D Vision-3DV 2013,pp. 247-254.

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Nozomu Kasuya, Sagawa Ryusuke, Ryo Furukawa, Hiroshi Kawasaki (2013). One-shot entire shape scanning by utilizing multiple projector-camera constraints of grid patterns. Proceedings of the IEEE International Conference on Computer Vision Workshops,pp. 299~306.

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Marcos Slomp, Hiroshi Kawasaki, Ismael Daribo, Sagawa Ryusuke, Ryo Furukawa, Shinsaku Hiura, Naoki Asada (2013). Hardware-accelerated geometry instancing for surfel and voxel rendering of scanned 4d media. 11th International Conference on Quality Control by Artificial Vision (QCAV),3.

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Xingdou Fu, Zuofu Wang, Hiroshi Kawasaki, Sagawa Ryusuke, Ryo Furukawa (2013). Calibration of Projector with Fixed Pattern and Large Distortion Lens in a Structured Light System.. MVA,pp. 222~225.

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Hirooki Aoki, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Shinsaku Hiura (2012). Basic study on non-contact measurement of cardiac beat by using grid-based active stereo. 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society,pp. 2036-2039.

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Hirooki Aoki, Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Sagawa Ryusuke, Hiroshi Kawasaki (2012). Extraction and visualization of cardiac beat by grid-based active stereo. International Workshop on Depth Image Analysis and Applications,pp. 146~157.

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Ismael Daribo, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki (2012). Adaptive arithmetic coding for point cloud compression. 2012 3DTV-Conference: The True Vision-Capture, Transmission and Display of 3D Video (3DTV-CON),pp. 1~4.

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Sagawa Ryusuke, Kazuhiro Sakashita, Nozomu Kasuya, Hiroshi Kawasaki, Ryo Furukawa, Yasushi Yagi (2012). Grid-based active stereo with single-colored wave pattern for dense one-shot 3D scan. 2012 Second International Conference on 3D Imaging, Modeling, Processing, Visualization & Transmission,pp. 363-370.

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Hiroshi Kawasaki, Hitoshi Masuyama, Sagawa Ryusuke, Ryo Furukawa (2012). Single color one-shot scan using topology information. European Conference on Computer Vision,pp. 486~495.

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Kazuhiro Sakashita, Sagawa Ryusuke, Ryo Furukawa, Hiroshi Kawasaki, Yasushi Yagi (2012). Capturing textured 3d shapes based on infrared one-shot grid pattern. IPSJ Transactions on Computer Vision and Applications,4 ,pp. 161~169.

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Hirooki Aoki, Masaki Miyazaki, Hidetoshi Nakamura, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki (2012). Non-contact respiration measurement using structured light 3-D sensor. 2012 Proceedings of SICE annual conference (SICE),pp. 614~618.

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Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Kazuhiro Sakashita, Yasushi Yagi, Naoki Asada (2012). Entire shape acquisition technique using multiple projectors and cameras with parallel pattern projection. IPSJ Transactions on Computer Vision and Applications,4 ,pp. 40~52.

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Ismael Daribo, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Shinsaku Hiura, Naoki Asada (2012). Efficient rate-distortion compression of dynamic point cloud for grid-pattern-based 3D scanning systems. 3D Research,3 ,1 ,pp. 1~9.

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Ismael Daribo, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Shinsaku Hiura, Naoki Asada (2011). Dynamic compression of curve-based point cloud. Pacific-Rim Symposium on Image and Video Technology,pp. 323~334.

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Ismaël Daribo, Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Shinsaku Hiura, Naoki Asada (2011). Point cloud compression for grid-pattern-based 3D scanning system. 2011 Visual Communications and Image Processing (VCIP),pp. 1~4.

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Ryo Furukawa, Sagawa Ryusuke, Amael Delaunoy, Hiroshi Kawasaki (2011). Multiview projectors/cameras system for 3d reconstruction of dynamic scenes. 2011 Ieee International Conference on Computer Vision Workshops (Iccv Workshops),pp. 1602-1609.

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Sagawa Ryusuke, Hiroshi Kawasaki, Shota Kiyota, Ryo Furukawa (2011). Dense one-shot 3D reconstruction by detecting continuous regions with parallel line projection. 2011 International Conference on Computer Vision,pp. 1911~1918.

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Ngo Thanh Trung, Yasushi Makihara, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Yasushi Yagi (2011). Phase registration in a gallery improving gait authentication. 2011 International Joint Conference on Biometrics (IJCB),pp. 1~7.

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Yasushi Yagi, Tomio Echigo, Sagawa Ryusuke, Hai Vu (2011). Capsule endoscope image display controller.

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Naoya Iwamoto, Sagawa Ryusuke, Shoji Kunitomo, Shigeo Morishima (2011). Estimating fluid simulation parameters from videos. ACM SIGGRAPH 2011 Posters.

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I Daribo, R Furukawa, Sagawa Ryusuke, H Kawasaki, S Hiura, N Asada (2011). Curve-based representation of point cloud for efficient compression. Proceedings of the 14th Meeting on Image Recognition and Understanding (MIRU 2011), Ishikawa, Japan,pp. 20~22.

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Kazuhiro Sakashita, Yasushi Yagi, Sagawa Ryusuke, Ryo Furukawa, Hiroshi Kawasaki (2011). A system for capturing textured 3D shapes based on one-shot grid pattern with multi-band camera and infrared projector. 2011 International Conference on 3D Imaging, Modeling, Processing, Visualization and Transmission,pp. 49~56.

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Yasushi Yagi, Tomio Echigo, Sagawa Ryusuke (2011). Endoscope system.

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Yagi Yasushi, Echigo Tomio, Sagawa Ryusuke (2011). Endoscope attachment and endoscope.

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Katsuhiro Hirai, Yasushi Kanazawa, Sagawa Ryusuke, Yasushi Yagi (2011). Endoscopic image matching for reconstructing the 3-D structure of the intestines. Medical Imaging Technology, Vol.29, No.1, pp.36~46.

Ryo Furukawa, Sagawa Ryusuke, Hiroshi Kawasaki, Kazuhiro Sakashita, Yasushi Yagi, Naoki Asada (2010). One-shot entire shape acquisition method using multiple projectors and cameras. 2010 Fourth Pacific-Rim Symposium on Image and Video Technology, pp.107~114.

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Yasushi Makihara, Ngo Thanh Trung, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Yasushi Yagi (2010). Phase registration of a single quasi-periodic signal using self dynamic time warping. Asian Conference on Computer Vision,pp. 667~678.

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Hiroshi Kawasaki, Sagawa Ryusuke, Yasushi Yagi, Ryo Furukawa, Naoki Asada, Peter Sturm (2010). One-shot scanning method using an unealibrated projector and camera system. 2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition-Workshops,pp. 104~111.

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Katsuhiro Hirai, Yasushi Kanazawa, Sagawa Ryusuke, Yasushi Yagi (2010). Endoscopic image matching for reconstructing 3-D structure of intestine. IEICE Technical Report; IEICE Tech. Rep.,109 ,407 ,pp. 223~228.

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Trung Thanh Ngo, Yuichiro Kojima, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi (2010). Real-time estimation of fast egomotion with feature classification using compound omnidirectional vision sensor. IEICE transactions on information and systems,vol.93 ,No.1 ,pp.152~166.

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Trung Thanh NGO, Yuichiro KOJIMA, Hajime NAGAHARA, Sagawa Ryusuke, Yasuhiro MUKAIGAWA, Masahiko YACHIDA, Yasushi YAGI (2010). Open Source Computer Vision Library Open Source Computer Vision Library. IEICE transactions on information and systems, Vol.93, No.1 ,pp.152~166.

Sagawa Ryusuke, Kazuhiro Sakashita, Yuya Ohta, Yasushi Yagi, Ryo Furukawa, Ryota Zushi, Naoki Asada, Hiroshi Kawasaki (2010). Linear solution for oneshot active 3d reconstruction using two projectors.

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Trung Thanh NGO, Yuichiro KOJIMA, Hajime NAGAHARA, Sagawa Ryusuke, Yasuhiro MUKAIGAWA, Masahiko YACHIDA, Yasushi YAGI (2010). Computer vision: A modern approach Computer vision: A modern approach, 2002. IEICE transactions on information and systems,Vol.93 ,No.1 ,pp. 152~166.

Ngo Trung Thanh, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi (2009). Highly Robust Estimator Using a Case-dependent Residual Distribution Model. IPSJ Transactions on Computer Vision and Applications,Vol.1 ,pp. 260~276.

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Sagawa Ryusuke, Kiyotaka Akasaka, Yasushi Yagi, Henning Hamer, Luc Van Gool (2009). Elastic convolved ICP for the registration of deformable objects. 2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops,pp. 1558~1565.

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Sagawa Ryusuke, Yuichi Ota, Yasushi Yagi, Ryo Furukawa, Naoki Asada, Hiroshi Kawasaki (2009). Dense 3D reconstruction method using a single pattern for fast moving object. 2009 IEEE 12th International Conference on Computer Vision,pp. 1779~1786.

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Thanh Trung Ngo, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi (2009). Adaptive-scale robust estimator using distribution model fitting. Asian Conference on Computer Vision,pp. 287~298.

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Katsushi Ikeuchi, Hiroshi Kawasaki, Sagawa Ryusuke, Shuntaro Yamazaki (2009). Image processing apparatus, image processing method, and image processing program.

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Yasushi Makihara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2009). Gait Identification Considering Body Tilt byWalking Direction Changes. ELCVIA: electronic letters on computer vision and image analysis, pp.15~26.

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Hai Vu, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2009). Video capsule endoscopy analysis for diagnostic assistance. 情報処理学会研究報告. CVIM,[コンピュータビジョンとイメージメディア],167巻 ,pp. E1~E16.

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Trung Ngo Thanh, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi (2009). An adaptive-scale robust estimator for motion estimation. 2009 IEEE International Conference on Robotics and Automation,pp. 2455~2460.

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Hai VU, Tomio ECHIGO, Sagawa Ryusuke, Keiko YAGI, Masatsugu SHIBA, Kazuhide HIGUCHI, Tetsuo ARAKAWA, Yasushi YAGI (2009). Wireless capsule endoscopy, health technology literature review Wireless capsule endoscopy, health technology literature review, 2003. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512~528.

Hai VU, Tomio ECHIGO, Sagawa Ryusuke, Keiko YAGI, Masatsugu SHIBA, Kazuhide HIGUCHI, Tetsuo ARAKAWA, Yasushi YAGI (2009). Principlies of Medical Statistics Principlies of Medical Statistics, 2002. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512-528.

Hai VU, Tomio ECHIGO, Sagawa Ryusuke, Keiko YAGI, Masatsugu SHIBA, Kazuhide HIGUCHI, Tetsuo ARAKAWA, Yasushi YAGI (2009). Pattern Recognition-Concepts, Method and Applications Pattern Recognition-Concepts, Method and Applications, 2001. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512-528.

Hai VU, Tomio ECHIGO, Sagawa Ryusuke, Keiko YAGI, Masatsugu SHIBA, Kazuhide HIGUCHI, Tetsuo ARAKAWA, Yasushi YAGI (2009). GastroIntestinal Motility-The Integration of Physiological Mechanisms GastroIntestinal Motility-The Integration of Physiological Mechanisms, 1985. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512~528.

Hai Vu, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2009). Controlling the display of capsule endoscopy video for diagnostic assistance. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512~528.

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Hai VU, Tomio ECHIGO, Sagawa Ryusuke, Keiko YAGI, Masatsugu SHIBA, Kazuhide HIGUCHI, Tetsuo ARAKAWA, Yasushi YAGI (2009). An overview of video abstraction techniques An overview of video abstraction techniques, 2001. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512~528.

Hai VU, Tomio ECHIGO, Sagawa Ryusuke, Keiko YAGI, Masatsugu SHIBA, Kazuhide HIGUCHI, Tetsuo ARAKAWA, Yasushi YAGI (2009). An extended framework for adaptive playback-based video summarization An extended framework for adaptive playback-based video summarization, 2003. IEICE transactions on information and systems,Vol.92 ,No.3 ,pp. 512-528.

Hai Vu, Sagawa Ryusuke, Yasushi Yagi, Tomio Echigo, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Keiko Yagi (2009). Evaluating the control of the adaptive display rate for video capsule endoscopy diagnosis. 2008 IEEE International Conference on Robotics and Biomimetics,pp. 74~79.

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Hai Vu, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2009). Towards an Interpretation of Intestinal Motility Using Capsule Endoscopy Image Sequences. Pacific-Rim Symposium on Image and Video Technology, pp.839~850.

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Ryo Furukawa, Hiroshi Kawasaki, Sagawa Ryusuke, Yasushi Yagi (2009). Shape from grid pattern based on coplanarity constraints for one-shot scanning. IPSJ Transactions on Computer Vision and Applications, Vol.1, pp.139~157.

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Hai Vu, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2009). Detection of contractions in adaptive transit time of the small bowel from wireless capsule endoscopy videos. Computers in biology and medicine,Vol.39 ,No.1 ,pp. 16~26.

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Chunsheng Hua, Sagawa Ryusuke, Yasushi Yagi (2008). Scale-invariant density-based clustering initialization algorithm and its application. 2008 19th International Conference on Pattern Recognition, pp.1~4.

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Ryo Furukawa, Huynh Quang Huy Viet, Hiroshi Kawasaki, Sagawa Ryusuke, Yasushi Yagi (2008). One-shot range scanner using coplanarity constraints. 2008 15th IEEE International Conference on Image Processing, pp.1524~1527.

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Sagawa Ryusuke, Takurou Sakai, Tomio Echigo, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2008). Omnidirectional vision attachment for medical endoscopes. The 8th workshop on omnidirectional vision, camera networks and non-classical cameras-OMNIVIS.

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Hiroshi Kawasaki, Inose Kenji, Toshihiro Kawasaki, Ryo Furukawa, Sagawa Ryusuke, Yasushi Yagi (2008). Projector camera system for realtime 3d scanning. Proceedings of the 5th ACM/IEEE International Workshop on Projector camera systems, pp.1~2.

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Hiroshi Kawasaki, Ryo Furukawa, Sagawa Ryusuke, Yasushi Yagi (2008). Dynamic scene shape reconstruction using a single structured light pattern. 2008 IEEE conference on computer vision and pattern recognition, pp.1~8.

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Trung Ngo Thanh, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi (2008). Robust and real-time egomotion estimation using a compound omnidirectional sensor. 2008 IEEE International Conference on Robotics and Automation, pp.492-497.

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Sagawa Ryusuke, Yasushi Yagi (2008). Accurate calibration of intrinsic camera parameters by observing parallel light pairs. 2008 IEEE International Conference on Robotics and Automation, pp.1390-1397.

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Sagawa Ryusuke, Katsushi Ikeuchi (2008). Hole filling of a 3D model by flipping signs of a signed distance field in adaptive resolution. IEEE Transactions on Pattern Analysis and Machine Intelligence,Vol.30 ,No.4 ,pp.686-699.

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Sagawa Ryusuke, Ko Nishino, Mark D Wheeler, Katsushi Ikeuchi (2008). Parallel processing of range data merging. Digitally Archiving Cultural Objects, pp.147-159.

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Sagawa Ryusuke, Takeshi Oishi, Atsushi Nakazawa, Ryo Kurazume, Katsushi Ikeuchi (2008). Iterative refinement of range images with anisotropic error distribution. Digitally Archiving Cultural Objects, pp.193~205.

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Ryusuke Sagawa, Ko Nishino, Katsushi Ikeuchi (2008). Adaptively merging large-scale range data with reflectance properties. Digitally Archiving Cultural Objects, pp.161~191.

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Ryo Furukawa, Hiroshi Kawasaki, Sagawa Ryusuke, Yasushi Yagi (2008). 3d scanning method for fast motion using single grid pattern with coarse-to-fine technique. 2008 19th British Machine Vision Conference, BMVC 2008.

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Hai Vu, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2007). Contraction detection in small bowel from an image sequence of wireless capsule endoscopy. International Conference on Medical Image Computing and Computer-Assisted Intervention, pp.775-783.

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Hidetoshi Mannami, Sagawa Ryusuke, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2007). High dynamic range camera using reflective liquid crystal. 2007 IEEE 11th International Conference on Computer Vision, pp.1-8.

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Katsushi Ikeuchi, Takeshi Oishi, Jun Takamatsu, Sagawa Ryusuke, Atsushi Nakazawa, Ryo Kurazume, Ko Nishino, Mawo Kamakura, Yasuhide Okamoto (2007). The great buddha project: Digitally archiving, restoring, and analyzing cultural heritage objects. International Journal of Computer Vision, vol.75, No.1, pp.189-208.

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Hidetoshi Mannami, Sagawa Ryusuke, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2007). Adaptive dynamic range camera with reflective liquid crystal. Journal of Visual Communication and Image Representation, Vol.18, No.5, pp.359-365.

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Sagawa Ryusuke, Nanaho Osawa, Yasushi Yagi (2007). Deformable registration of textured range images by using texture and shape features. Sixth International Conference on 3-D Digital Imaging and Modeling (3DIM 2007), pp.65-72.

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Kiyotaka Akasaka, Sagawa Ryusuke, Yasushi Yagi (2007). A sensor for simultaneously capturing texture and shape by projecting structured infrared light. Sixth International Conference on 3-D Digital Imaging and Modeling (3DIM 2007), pp.375-381.

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Shuntaro Yamazaki, Sagawa Ryusuke, Hiroshi Kawasaki, Katsushi Ikeuchi, Masao Sakauchi (2007). Rendering intricately-shaped objects using view-dependent microfacets. Systems and Computers in Japan, Vol.38, No.8, pp.44-53.

Trung Ngo Thanh, Hajime Nagahara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi (2007). Robust and real-time rotation estimation of compound omnidirectional sensor. Proceedings 2007 IEEE International Conference on Robotics and Automation, pp.4226-4231.

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Sagawa Ryusuke, Nobuya Aoki, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2007). Mirror localization for a catadioptric imaging system by projecting parallel lights. Proceedings 2007 IEEE International Conference on Robotics and Automation, pp.3957-3962.

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Yasushi Yagi, Hai Vu, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa (2007). A diagnosis support system for capsule endoscopy. Inflammopharmacology, Vol.15, No.2, pp.78-83.

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Vu Hai, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2006). Adaptive control of video display for diagnostic assistance by analysis of capsule endoscopic images. 18th International Conference on Pattern Recognition (ICPR'06), Vol.3, pp.980-983.

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Yasushi Makihara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2006). Adaptation to walking direction changes for gait identification. 18th International Conference on Pattern Recognition (ICPR'06), Vol.2, pp.96-99.

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YUICHIRO KOJIMA, NAOKI KURITA, Sagawa Ryusuke, TOMIO ECHIGO, YASUSHI YAGI (2006). Omnidirectional Stereo with Compound Convex Mirrors. 情報処理学会論文誌, Vol.47, No.SIG10 (CVIM15), pp.152-161.

Yasushi Makihara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2006). Which reference view is effective for gait identification using a view transformation model?. 2006 Conference on Computer Vision and Pattern Recognition Workshop (CVPRW'06), pp.45.

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Sagawa Ryusuke, Nanaho Osawa, Yasushi Yagi (2006). A probabilistic method for aligning and merging range images with anisotropic error distribution. Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'06), pp.559-566.

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Yasushi Makihara, Sagawa Ryusuke, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi (2006). Gait recognition using a view transformation model in the frequency domain. European conference on computer vision, pp.151-163.

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Vu Hai, Tomio Echigo, Sagawa Ryusuke, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi (2006). Video Display Control for a Capsule Endoscopy. IEICE Technical Report; IEICE Tech. Rep., Vol.105, No.580, pp.5-8.

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Sagawa Ryusuke, Yasushi Makihara, Tomio Echigo, Yasushi Yagi (2006). Matching gait image sequences in the frequency domain for tracking people at a distance. Asian Conference on Computer Vision, pp.141-150.

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Nanaho OHSAWA, Sagawa Ryusuke, Tomio ECHIGO, Yasushi YAGI (2005). 移動ロボットによる環境認識のための実時間距離画像位置合わせ. Transactions of the Society of Instrument and Control Engineers, Vol.41, No.12, pp.989-997.

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Suchit Pongnumkul, Sagawa Ryusuke, Tomio Echigo, Yasushi Yagi (2005). Deformable registration for generating dissection image of an intestine from annular image sequence. International Workshop on Computer Vision for Biomedical Image Applications, pp.271-280.

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Yuichiro Kojima, Sagawa Ryusuke, Tomio Echigo, Yasushi Yagi (2005). Calibration and performance evaluation of omnidirectional sensor with compound spherical mirrors. Proc. 6th Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras.

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Sagawa Ryusuke, Nanaho Osawa, Tomio Echigo, Yasushi Yagi (2005). Real Time 3D Environment Modeling for a Mobile Robot by Aligning Range Image Sequence.. BMVC.

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Takeshi Oishi, Sagawa Ryusuke, Atsushi Nakazawa, Ryo Kurazume, Katsushi Ikeuchi (2005). Parallel simultaneous alignment of a large number of range images on distributed memory system. IPSJ Transactions on Computer Vision and Image Media, Vol.46, No.9, pp.2369-2378.

Sagawa Ryusuke, Masaya Takatsuji, Tomio Echigo, Yasushi Yagi (2005). Calibration of lens distortion by structured-light scanning. 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.832-837.

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El Mustapha Mouaddib, Sagawa Ryusuke, Tomio Echigo, Yasushi Yagi (2005). Stereovision with a single camera and multiple mirrors. Proceedings of the 2005 IEEE International Conference on Robotics and Automation. pp.800-805.

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Sagawa Ryusuke, Ko Nishino, Katsushi Ikeuchi (2005). Adaptively merging large-scale range data with reflectance properties. IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol.27, No.3, pp,392-405.

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Takeshi Masuda, SHIMIZU IKUKO OKATANI, RYUSUKE ZAGAWA (2004). A Survey of Shape Model Generation from Multiple Range Images. 情報処理学会研究報告,2004巻,113号(CVIM-146), pp.105-116.

Sagawa Ryusuke, Naoki Kurita, Tomio Echigo, Yasushi Yagi (2004). Compound catadioptric stereo sensor for omnidirectional object detection. 2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)(IEEE Cat. No. 04CH37566), Vol.3, pp.2612-2617.

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Yu Ohara, Sagawa Ryusuke, Tomio Echigo, Yasushi Yagi (2004). Gait volume: Spatio-temporal analysis of walking. Proc. 5th Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras, pp.79-90.

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Yu Ohara, Sagawa Ryusuke, Toinio Ecliigo, Yasushi Yagi (2004). Walking Person Identification Dealing With Resolution and Appearance Changes. 대한전자공학회 워크샵, pp.89-94.

Sagawa Ryusuke, Katsushi Ikeuchi (2003). Taking consensus of signed distance field for complementing unobservable surface. Fourth International Conference on 3-D Digital Imaging and Modeling, 2003. 3DIM 2003. Proceedings. pp.410-417.

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Takeshi Oishi, Atsushi Nakazawa, Sagawa Ryusuke, Ryo Kurazume (2003). Parallel alignment of a large number of range images. Fourth International Conference on 3-D Digital Imaging and Modeling, 2003. 3DIM 2003. Proceedings. pp.195-202.

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Sagawa Ryusuke, Tomohito Masuda, Katsushi Ikeuchi (2003). Effective nearest neighbor search for aligning and merging range images. Fourth International Conference on 3-D Digital Imaging and Modeling, 2003. 3DIM 2003. Proceedings. pp.54-61.

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Sagawa Ryusuke (2003). Geometric and photometric merging for large-scale objects.

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Shuntaro Yamazaki, Sagawa Ryusuke, Hiroshi Kawasaki, Katsushi Ikeuchi, Masao Sakauchi (2002). Microfacet billboarding. 13th Eurographics Workshop on Rendering: Pisa, Italy, pp.169.

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Sagawa Ryusuke, Kei Okada, Satoshi Kagami, Masayuki Inaba, Hirochika Inoue (2002). A Real-time 3D Recognition System by Incremental Mesh Modeling and Hierarchical Object Matching Methods. Journal of the Robotics Society of Japan, Vol.20, No.1, pp.98-106.

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Sagawa Ryusuke, Ko Nishino, Katsushi Ikeuchi (2001). Robust and adaptive integration of multiple range images with photometric attributes. *Proceedings of the 2001 IEEE Computer Society Conference on Computer Vision and Pattern Recognition. CVPR 2001, Vol.2, pp.II-II *.

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Daisuke Miyazaki, Takeshi Oishi, Taku Nishikawa, Sagawa Ryusuke, Ko Nishino, Takashi Tomomatsu, Yutaka Takase, Katsushi Ikeuchi (2001). The great Buddha project: Modeling cultural heritage through observation. Modeling from reality, pp.181-193.

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Sagawa Ryusuke, Kei Okada, Satoshi Kagami, Masayuki Inaba, Hirochika Inoue (2000). Incremental mesh modeling and hierarchical object recognition using multiple range images. Proceedings. 2000 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2000)(Cat. No. 00CH37113), Vol.1, pp.88-95.

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Daisuke Miyazaki, Takeshi Ooishi, Taku Nishikawa, Sagawa Ryusuke, Ko Nishino, Takashi Tomomatsu, Yutaka Takase, Katsushi Ikeuchi (2000). The great buddha project: Modelling cultural heritage through observation. VSMM2000 (6th international conference on virtual systems and multimedia), pp.138-145.

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Daisuke Miyazaki, Takeshi Ooishi, Taku Nishikawa, Sagawa Ryusuke, Ko Nishino (2000). Takashi Tomomatsu”, Yutaka Takase”, Katsushi Ikeuchi* Institute of Industrial Science, University of Tokyo. VSMM 2000: 6th International Conference on Virtual Systems and MultiMedia, 3-6 October 2000, Ogaki, Gifu, Japan: Proceedings, Vol.6, pp.138.

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Sagawa Ryusuke (1998). Real time tracking of human behavior with multiple omni-directional vision sensors. 4th Symposium on Sensing via Image Information, 1998.