Ryusuke Sagawa

According to our database, Ryusuke Sagawa authored at least 126 papers between 2000 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

A Generative Model to Embed Human Expressivity into Robot Motions.

Pablo Osorio, Ryusuke Sagawa, Naoko Abe, Gentiane Venture

Sensors, January, 2024

2023

Fast Inverse Kinematics Based on Pseudo-Forward Dynamics Computation: Application to Musculoskeletal Inverse Kinematics.

Ko Ayusawa, Akihiko Murai, Ryusuke Sagawa, Eiichi Yoshida

IEEE Robotics Autom. Lett., September, 2023

Multi-frame optimisation for active stereo with inverse renderingto obtain consistent shape and projector-camera posesfor 3D endoscopic system.

Ryo Furukawa, Michihiro Mikamo, Ryusuke Sagawa, Yuki Okamoto, Shiro Oka, Shinji Tanaka, Hiroshi Kawasaki

Comput. methods Biomech. Biomed. Eng. Imaging Vis., July, 2023

Self-supervised Extraction of Human Motion Structures via Frame-wise Discrete Features.

Tetsuya Abe, Ryusuke Sagawa, Ko Ayusawa, Wataru Takano

CoRR, 2023

A Hierarchical Robot Learning Framework for Manipulator Reactive Motion Generation via Multi-Agent Reinforcement Learning and Riemannian Motion Policies.

Yuliu Wang, Ryusuke Sagawa, Yusuke Yoshiyasu

IEEE Access, 2023

Generalization of pixel-wise phase estimation by CNN and improvement of phase-unwrapping by MRF optimization for one-shot 3D scan.

Hiroto Harada, Michihiro Mikamo, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 18th International Conference on Machine Vision and Applications, 2023

Single and multi-frame auto-calibration for 3D endoscopy with differential rendering.

Ryo Furukawa, Ryusuke Sagawa, Shiro Oka, Shinji Tanaka, Hiroshi Kawasaki

Proceedings of the 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2023

2022

Acquisition and Visualization of Micro-Vibration of a Sound Wave in 3D Space.

Ryusuke Sagawa, Yusuke Higuchi, Ryo Furukawa, Hiroshi Kawasaki

J. Robotics Mechatronics, 2022

Estimating Muscle Activity from the Deformation of a Sequential 3D Point Cloud.

Hui Niu, Takahiro Ito, Damien Desclaux, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida

J. Imaging, 2022

Simultaneous estimation of projector and camera poses for multiple oneshot scan using pixel-wise correspondences estimated by U-Nets and GCN.

Ryo Furukawa, Michihiro Mikamo, Hiroshi Kawasaki, Ryusuke Sagawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka

Comput. methods Biomech. Biomed. Eng. Imaging Vis., 2022

Single-shot dense active stereo with pixel-wise phase estimation based on grid-structure using CNN and correspondence estimation using GCN.

Ryo Furukawa, Michihiro Mikamo, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2022

Manipulator Motion Planning via Centralized Training and Decentralized Execution Multi-Agent Reinforcement Learning.

Yuliu Wang, Ryusuke Sagawa

Proceedings of the International Conference on Advanced Robotics and Mechatronics , 2022

Expression-controllable Facial Video Generation for Impression Quantification.

Kanade Sumino, Ikuhisa Mitsugami, Ryusuke Sagawa

Proceedings of the 11th IEEE Global Conference on Consumer Electronics, 2022

Precise Gymnastic Scoring from TV Playback.

Qiaoge Li, Zhenghang Cui, Itaru Kitahara, Ryusuke Sagawa

Proceedings of the 11th IEEE Global Conference on Consumer Electronics, 2022

3D endoscope system with AR display superimposing dense and wide-angle-of-view 3D points obtained by using micro pattern projector.

Michihiro Mikamo, Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

AutoEnhancer: Transformer on U-Net Architecture Search for Underwater Image Enhancement.

Yi Tang, Takafumi Iwaguchi, Hiroshi Kawasaki, Ryusuke Sagawa, Ryo Furukawa

Proceedings of the Computer Vision - ACCV 2022, 2022

2021

MV-FractalDB: Formula-driven Supervised Learning for Multi-view Image Recognition.

Ryosuke Yamada, Ryo Takahashi, Ryota Suzuki, Akio Nakamura, Yusuke Yoshiyasu, Ryusuke Sagawa, Hirokatsu Kataoka

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2021

GCN-Calculated Graph-Feature Embedding for 3D Endoscopic System Based on Active Stereo.

Michihiro Mikamo, Hiroshi Kawasaki, Ryusuke Sagawa, Ryo Furukawa

Proceedings of the Frontiers of Computer Vision - 27th International Workshop, 2021

Active Stereo Method for 3D Endoscopes using Deep-layer GCN and Graph Representation with Proximity Information.

Michihiro Mikamo, Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

2020

Active Lighting and Its Application for Computer Vision - 40 Years of History of Active Lighting Techniques

Katsushi Ikeuchi, Yasuyuki Matsushita, Ryusuke Sagawa, Hiroshi Kawasaki, Yasuhiro Mukaigawa, Ryo Furukawa, Daisuke Miyazaki

Advances in Computer Vision and Pattern Recognition, Springer, ISBN: 978-3-030-56576-3, 2020

Fusion of Multiple Motion Capture Systems for Musculoskeletal Analysis.

Vincent Samy, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida

Proceedings of the 2020 IEEE/SICE International Symposium on System Integration, 2020

APE: A More Practical Approach To 6-Dof Pose Estimation.

Antonio Gabas, Yusuke Yoshiyasu, Rohan Pratap Singh, Ryusuke Sagawa, Eiichi Yoshida

Proceedings of the IEEE International Conference on Image Processing, 2020

Statistical Human Body Shape Model including Elderly People.

Yusuke Yoshiyasu, Vincent Samy, Yumeko Imamura, Ko Ayusuwa, Ryusuke Sagawa, Eiichi Yoshida

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

Fully Auto-calibrated Active-stereo-based 3D Endoscopic System using Correspondence Estimation with Graph Convolutional Network.

Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

Dense Pixel-Wise Micro-motion Estimation of Object Surface by Using Low Dimensional Embedding of Laser Speckle Pattern.

Ryusuke Sagawa, Yusuke Higuchi, Hiroshi Kawasaki, Ryo Furukawa, Takahiro Ito

Proceedings of the Computer Vision - ACCV 2020 - 15th Asian Conference on Computer Vision, Kyoto, Japan, November 30, 2020

2019

Single-wavelength and multi-parallel dotted- and solid-lines for dense and robust active 3D reconstruction.

Genki Nagamatsu, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 16th International Conference on Machine Vision Applications, 2019

Musculoskeletal Estimation Using Inertial Measurement Units and Single Video Image.

Vincent Samy, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida

Proceedings of the 2019 IEEE International Conference on Advanced Robotics and its Social Impacts, 2019

2018

Predicting Muscle Activity and Joint Angle from Skin Shape.

Ryusuke Sagawa, Ko Ayusawa, Yusuke Yoshiyasu, Akihiko Murai

Proceedings of the Computer Vision - ECCV 2018 Workshops, 2018

Skeleton Transformer Networks: 3D Human Pose and Skinned Mesh from Single RGB Image.

Yusuke Yoshiyasu, Ryusuke Sagawa, Ko Ayusawa, Akihiko Murai

Proceedings of the Computer Vision - ACCV 2018, 2018

2017

Calibration Technique for Underwater Active Oneshot Scanning System with Static Pattern Projector and Multiple Cameras.

Hiroshi Kawasaki, Hideaki Nakai, Hirohisa Baba, Ryusuke Sagawa, Ryo Furukawa

Proceedings of the 2017 IEEE Winter Conference on Applications of Computer Vision, 2017

Learning-based feature extraction for active 3D scan with reducing color crosstalk of multiple pattern projections.

Ryusuke Sagawa, Ryo Furukawa, Akiko Matsumoto, Hiroshi Kawasaki

Proceedings of the 2017 IEEE International Conference on Robotics and Automation, 2017

Depth Estimation Using Structured Light Flow - Analysis of Projected Pattern Flow on an Object's Surface.

Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the IEEE International Conference on Computer Vision, 2017

Illuminant-Camera Communication to Observe Moving Objects under Strong External Light by Spread Spectrum Modulation.

Ryusuke Sagawa, Yutaka Satoh

Proceedings of the 2017 IEEE Conference on Computer Vision and Pattern Recognition, 2017

2016

Automatic feature extraction using CNN for robust active one-shot scanning.

Ryusuke Sagawa, Yuki Shiba, Takuto Hirukawa, Satoshi Ono, Hiroshi Kawasaki, Ryo Furukawa

Proceedings of the 23rd International Conference on Pattern Recognition, 2016

3D endoscope system using DOE projector.

Ryo Furukawa, Yoji Sanomura, Shinji Tanaka, Shigeto Yoshida, Ryusuke Sagawa, Marco Visentini Scarzanella, Hiroshi Kawasaki

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

2015

Modeling dynamic scenes by one-shot 3D acquisition system for moving humanoid robot.

Ryusuke Sagawa, Charles Malleson, Mitsuharu Morisawa, Kenji Kaneko, Fumio Kanehiro, Yoshio Matsumoto, Adrian Hilton

Proceedings of the 24th IEEE International Symposium on Robot and Human Interactive Communication, 2015

Analyzing Muscle Activity and Force with Skin Shape Captured by Non-contact Visual Sensor.

Ryusuke Sagawa, Yusuke Yoshiyasu, Alexander Alspach, Ko Ayusawa, Katsu Yamane, Adrian Hilton

Proceedings of the Image and Video Technology - 7th Pacific-Rim Symposium, 2015

Underwater Active Oneshot Scan with Static Wave Pattern and Bundle Adjustment.

Hiroki Morinaga, Hirohisa Baba, Marco Visentini Scarzanella, Hiroshi Kawasaki, Ryo Furukawa, Ryusuke Sagawa

Proceedings of the Image and Video Technology - 7th Pacific-Rim Symposium, 2015

A Triangle Mesh Reconstruction Method Taking into Account Silhouette Images.

Michihiro Mikamo, Yoshinori Oki, Marco Visentini Scarzanella, Hiroshi Kawasaki, Ryo Furukawa, Ryusuke Sagawa

Proceedings of the Image and Video Technology - 7th Pacific-Rim Symposium, 2015

Entire shape scan system with multiple pro-cams using texture information and accurate silhouette creating technique.

Yoshinori Oki, Marco Visentini Scarzanella, Tomohito Wada, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 14th IAPR International Conference on Machine Vision Applications, 2015

Visibility reduction based performance evaluation of vision-based safety sensors.

Bong Keun Kim, Yasushi Sumi, Ryusuke Sagawa, Kenji Kosugi, Shigeto Mochizuki

Proceedings of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2015

2-DOF auto-calibration for a 3D endoscope system based on active stereo.

Ryo Furukawa, Ryunosuke Masutani, Daisuke Miyazaki, Masashi Baba, Shinsaku Hiura, Marco Visentini Scarzanella, Hiroki Morinaga, Hiroshi Kawasaki, Ryusuke Sagawa

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

2014

Phase Estimation of a Single Quasi-Periodic Signal.

Yasushi Makihara, Muhammad Rasyid Aqmar, Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Yasushi Yagi

IEEE Trans. Signal Process., 2014

Dense 3D Reconstruction from High Frame-Rate Video Using a Static Grid Pattern.

Ryusuke Sagawa, Ryo Furukawa, Hiroshi Kawasaki

IEEE Trans. Pattern Anal. Mach. Intell., 2014

Parallel processing of grid-based one-shot structured-light system for online 3D reconstruction of moving objects.

Ryusuke Sagawa, Yoshio Matsumoto, Hiroshi Kawasaki, Ryo Furukawa

Proceedings of the 2014 IEEE International Conference on Robotics and Biomimetics, 2014

Calibration of a 3D endoscopic system based on active stereo method for shape measurement of biological tissues and specimen.

Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Hirooki Aoki, Yoko Kominami, Yoji Sanomura, Shigeto Yoshida, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

Symmetry-Aware Nonrigid Matching of Incomplete 3D Surfaces.

Yusuke Yoshiyasu, Eiichi Yoshida, Kazuhito Yokoi, Ryusuke Sagawa

Proceedings of the 2014 IEEE Conference on Computer Vision and Pattern Recognition, 2014

Temporal Octrees for Compressing Dynamic Point Cloud Streams.

Marcos Slomp, Hiroshi Kawasaki, Ryo Furukawa, Ryusuke Sagawa

Proceedings of the 2nd International Conference on 3D Vision, 2014

4D Capture Using Visibility Information of Multiple Projector Camera System.

Ryusuke Sagawa, Nozomu Kasuya, Yoshinori Oki, Hiroshi Kawasaki, Yoshio Matsumoto, Ryo Furukawa

Proceedings of the 2nd International Conference on 3D Vision, 2014

2013

Marker-less Facial Motion Capture based on the Parts Recognition.

Yasuhiro Akagi, Ryo Furukawa, Ryusuke Sagawa, Koichi Ogawara, Hiroshi Kawasaki

J. WSCG, 2013

Guest Editorial: 3D Imaging, Processing and Modelling.

Guy Godin, Michael Goesele, Yasuyuki Matsushita, Ryusuke Sagawa, Ruigang Yang

Int. J. Comput. Vis., 2013

Single colour one-shot scan using modified Penrose tiling pattern.

Hiroshi Kawasaki, Hitoshi Masuyama, Ryusuke Sagawa, Ryo Furukawa

IET Comput. Vis., 2013

A facial tracking and transfer method with a key point refinement.

Yasuhiro Akagi, Ryo Furukawa, Ryusuke Sagawa, Koichi Ogawara, Hiroshi Kawasaki

Proceedings of the Special Interest Group on Computer Graphics and Interactive Techniques Conference, 2013

Exemplar-Based Hole-Filling Technique for Multiple Dynamic Objects.

Matteo Pagliardini, Yasuhiro Akagi, Marcos Slomp, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the Image and Video Technology - 6th Pacific-Rim Symposium, 2013

Exemplar based texture recovery technique for active one shot scan.

Yohan Thibault, Hiroshi Kawasaki, Ryo Furukawa, Ryusuke Sagawa

Proceedings of the 13. IAPR International Conference on Machine Vision Applications, 2013

Calibration of Projector with Fixed Pattern and Large Distortion Lens in a Structured Light System.

Xingdou Fu, Zuofu Wang, Hiroshi Kawasaki, Ryusuke Sagawa, Ryo Furukawa

Proceedings of the 13. IAPR International Conference on Machine Vision Applications, 2013

One-Shot Entire Shape Scanning by Utilizing Multiple Projector-Camera Constraints of Grid Patterns.

Nozomu Kasuya, Ryusuke Sagawa, Ryo Furukawa, Hiroshi Kawasaki

Proceedings of the 2013 IEEE International Conference on Computer Vision Workshops, 2013

Proposal on 3-D endoscope by using grid-based active stereo.

Hirooki Aoki, Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Naoki Asada, Ryusuke Sagawa, Hiroshi Kawasaki, Shinji Tanaka, Shigeto Yoshida, Yoji Sanomura

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Noncontact measurement of cardiac beat by using active stereo with waved-grid pattern projection.

Hirooki Aoki, Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Naoki Asada, Ryusuke Sagawa, Hiroshi Kawasaki, Tsuyoshi Shiga, Atsushi Suzuki

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Robust and Accurate One-Shot 3D Reconstruction by 2C1P System with Wave Grid Pattern.

Nozomu Kasuya, Ryusuke Sagawa, Hiroshi Kawasaki, Ryo Furukawa

Proceedings of the 2013 International Conference on 3D Vision, 2013

2012

Capturing Textured 3D Shapes based on Infrared One-shot Grid Pattern.

Kazuhiro Sakashita, Ryusuke Sagawa, Ryo Furukawa, Hiroshi Kawasaki, Yasushi Yagi

IPSJ Trans. Comput. Vis. Appl., 2012

Entire Shape Acquisition Technique Using Multiple Projectors and Cameras with Parallel Pattern Projection.

Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki, Kazuhiro Sakashita, Yasushi Yagi, Naoki Asada

IPSJ Trans. Comput. Vis. Appl., 2012

Extraction and Visualization of Cardiac Beat by Grid-Based Active Stereo.

Hirooki Aoki, Ryo Furukawa, Masahito Aoyama, Shinsaku Hiura, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the Advances in Depth Image Analysis and Applications, 2012

Basic study on non-contact measurement of cardiac beat by using grid-based active stereo.

Hirooki Aoki, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki, Shinsaku Hiura

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

Single Color One-Shot Scan Using Topology Information.

Hiroshi Kawasaki, Hitoshi Masuyama, Ryusuke Sagawa, Ryo Furukawa

Proceedings of the Computer Vision - ECCV 2012. Workshops and Demonstrations, 2012

Adaptive arithmetic coding for point cloud compression.

Ismaël Daribo, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 3DTV-Conference 2012: The True Vision, 2012

Grid-Based Active Stereo with Single-Colored Wave Pattern for Dense One-shot 3D Scan.

Ryusuke Sagawa, Kazuhiro Sakashita, Nozomu Kasuya, Hiroshi Kawasaki, Ryo Furukawa, Yasushi Yagi

Proceedings of the 2012 Second International Conference on 3D Imaging, 2012

2011

Point cloud compression for grid-pattern-based 3D scanning system.

Ismaël Daribo, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki, Shinsaku Hiura, Naoki Asada

Proceedings of the 2011 IEEE Visual Communications and Image Processing, 2011

Estimating fluid simulation parameters from videos.

Naoya Iwamoto, Ryusuke Sagawa, Shoji Kunitomo, Shigeo Morishima

Proceedings of the International Conference on Computer Graphics and Interactive Techniques, 2011

Dynamic Compression of Curve-Based Point Cloud.

Ismaël Daribo, Ryo Furukawa, Ryusuke Sagawa, Hiroshi Kawasaki, Shinsaku Hiura, Naoki Asada

Proceedings of the Advances in Image and Video Technology - 5th Pacific Rim Symposium, 2011

Multiview projectors/cameras system for 3D reconstruction of dynamic scenes.

Ryo Furukawa, Ryusuke Sagawa, Amaël Delaunoy, Hiroshi Kawasaki

Proceedings of the IEEE International Conference on Computer Vision Workshops, 2011

Dense one-shot 3D reconstruction by detecting continuous regions with parallel line projection.

Ryusuke Sagawa, Hiroshi Kawasaki, Shota Kiyota, Ryo Furukawa

Proceedings of the IEEE International Conference on Computer Vision, 2011

Phase registration in a gallery improving gait authentication.

Trung Ngo Thanh, Yasushi Makihara, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Yasushi Yagi

Proceedings of the 2011 IEEE International Joint Conference on Biometrics, 2011

Retrieving Textures for 3D Scanning System Based on Grid Pattern Method.

Yohan Thibault, Hiroshi Kawasaki, Ryusuke Sagawa, Ryo Furukawa

Proceedings of the 2011 Database and Expert Systems Applications, 2011

A System for Capturing Textured 3D Shapes Based on One-Shot Grid Pattern with Multi-band Camera and Infrared Projector.

Kazuhiro Sakashita, Yasushi Yagi, Ryusuke Sagawa, Ryo Furukawa, Hiroshi Kawasaki

Proceedings of the International Conference on 3D Imaging, 2011

2010

Message from the Guest Editors-In-Chief.

Hajime Nagahara, Ryusuke Sagawa, Pascal Vasseur, Shree K. Nayar

IPSJ Trans. Comput. Vis. Appl., 2010

Real-Time Estimation of Fast Egomotion with Feature Classification Using Compound Omnidirectional Vision Sensor.

Trung Ngo Thanh, Yuichiro Kojima, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

IEICE Trans. Inf. Syst., 2010

One-shot scanning method using an unealibrated projector and camera system.

Hiroshi Kawasaki, Ryusuke Sagawa, Yasushi Yagi, Ryo Furukawa, Naoki Asada, Peter F. Sturm

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2010

Phase Registration of a Single Quasi-Periodic Signal Using Self Dynamic Time Warping.

Yasushi Makihara, Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Yasushi Yagi

Proceedings of the Computer Vision - ACCV 2010, 2010

2009

Highly Robust Estimator Using a Case-dependent Residual Distribution Model.

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

IPSJ Trans. Comput. Vis. Appl., 2009

Shape from Grid Pattern Based on Coplanarity Constraints for One-shot Scanning.

Ryo Furukawa, Hiroshi Kawasaki, Ryusuke Sagawa, Yasushi Yagi

IPSJ Trans. Comput. Vis. Appl., 2009

Controlling the Display of Capsule Endoscopy Video for Diagnostic Assistance.

Hai Vu, Tomio Echigo, Ryusuke Sagawa, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi

IEICE Trans. Inf. Syst., 2009

Detection of contractions in adaptive transit time of the small bowel from wireless capsule endoscopy videos.

Hai Vu, Tomio Echigo, Ryusuke Sagawa, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi

Comput. Biol. Medicine, 2009

Towards an Interpretation of Intestinal Motility Using Capsule Endoscopy Image Sequences.

Hai Vu, Tomio Echigo, Ryusuke Sagawa, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi

Proceedings of the Advances in Image and Video Technology, Third Pacific Rim Symposium, 2009

An adaptive-scale robust estimator for motion estimation.

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

Proceedings of the 2009 IEEE International Conference on Robotics and Automation, 2009

Elastic convolved ICP for the registration of deformable objects.

Ryusuke Sagawa, Kiyotaka Akasaka, Yasushi Yagi, Henning Hamer, Luc Van Gool

Proceedings of the 12th IEEE International Conference on Computer Vision Workshops, 2009

Dense 3D reconstruction method using a single pattern for fast moving object.

Ryusuke Sagawa, Yuichi Ota, Yasushi Yagi, Ryo Furukawa, Naoki Asada, Hiroshi Kawasaki

Proceedings of the IEEE 12th International Conference on Computer Vision, ICCV 2009, Kyoto, Japan, September 27, 2009

Adaptive-Scale Robust Estimator Using Distribution Model Fitting.

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

Proceedings of the Computer Vision, 2009

2008

Hole Filling of a 3D Model by Flipping Signs of a Signed Distance Field in Adaptive Resolution.

Ryusuke Sagawa, Katsushi Ikeuchi

IEEE Trans. Pattern Anal. Mach. Intell., 2008

Evaluating the control of the adaptive display rate for video capsule endoscopy diagnosis.

Hai Vu, Ryusuke Sagawa, Yasushi Yagi, Tomio Echigo, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Keiko Yagi

Proceedings of the IEEE International Conference on Robotics and Biomimetics, 2008

Projector camera system for realtime 3D scanning.

Hiroshi Kawasaki, Kenji Inose, Toshihiro Kawasaki, Ryo Furukawa, Ryusuke Sagawa, Yasushi Yagi

Proceedings of the 5th ACM/IEEE International Workshop on Projector camera systems, 2008

Robust and real-time egomotion estimation using a compound omnidirectional sensor.

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

Proceedings of the 2008 IEEE International Conference on Robotics and Automation, 2008

Accurate calibration of intrinsic camera parameters by observing parallel light pairs.

Ryusuke Sagawa, Yasushi Yagi

Proceedings of the 2008 IEEE International Conference on Robotics and Automation, 2008

Scale-invariant density-based clustering initialization algorithm and its application.

Chunsheng Hua, Ryusuke Sagawa, Yasushi Yagi

Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

One-shot range scanner using coplanarity constraints.

Ryo Furukawa, Huynh Quang Huy Viet, Hiroshi Kawasaki, Ryusuke Sagawa, Yasushi Yagi

Proceedings of the International Conference on Image Processing, 2008

Dynamic scene shape reconstruction using a single structured light pattern.

Hiroshi Kawasaki, Ryo Furukawa, Ryusuke Sagawa, Yasushi Yagi

Proceedings of the 2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2008), 2008

2007

Rendering intricately-shaped objects using view-dependent microfacets.

Shuntaro Yamazaki, Ryusuke Sagawa, Hiroshi Kawasaki, Katsushi Ikeuchi, Masao Sakauchi

Syst. Comput. Jpn., 2007

Adaptive dynamic range camera with reflective liquid crystal.

Hidetoshi Mannami, Ryusuke Sagawa, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi

J. Vis. Commun. Image Represent., 2007

The Great Buddha Project: Digitally Archiving, Restoring, and Analyzing Cultural Heritage Objects.

Katsushi Ikeuchi, Takeshi Oishi, Jun Takamatsu, Ryusuke Sagawa, Atsushi Nakazawa, Ryo Kurazume, Ko Nishino, Mawo Kamakura, Yasuhide Okamoto

Int. J. Comput. Vis., 2007

Contraction Detection in Small Bowel from an Image Sequence of Wireless Capsule Endoscopy.

Hai Vu, Tomio Echigo, Ryusuke Sagawa, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi

Proceedings of the Medical Image Computing and Computer-Assisted Intervention - MICCAI 2007, 10th International Conference, Brisbane, Australia, October 29, 2007

Robust and Real-time Rotation Estimation of Compound Omnidirectional Sensor.

Trung Ngo Thanh, Hajime Nagahara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Masahiko Yachida, Yasushi Yagi

Proceedings of the 2007 IEEE International Conference on Robotics and Automation, 2007

Mirror Localization for a Catadioptric Imaging System by Projecting Parallel Lights.

Ryusuke Sagawa, Nobuya Aoki, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi

Proceedings of the 2007 IEEE International Conference on Robotics and Automation, 2007

High Dynamic Range Camera using Reflective Liquid Crystal.

Hidetoshi Mannami, Ryusuke Sagawa, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi

Proceedings of the IEEE 11th International Conference on Computer Vision, 2007

Mirror Localization for Catadioptric Imaging System by Observing Parallel Light Pairs.

Ryusuke Sagawa, Nobuya Aoki, Yasushi Yagi

Proceedings of the Computer Vision, 2007

Deformable Registration of Textured Range Images by Using Texture and Shape Features.

Ryusuke Sagawa, Nanaho Osawa, Yasushi Yagi

Proceedings of the Sixth International Conference on 3-D Digital Imaging and Modeling, 2007

A Sensor for Simultaneously Capturing Texture and Shape by Projecting Structured Infrared Light.

Kiyotaka Akasaka, Ryusuke Sagawa, Yasushi Yagi

Proceedings of the Sixth International Conference on 3-D Digital Imaging and Modeling, 2007

2006

Adaptation to Walking Direction Changes for Gait Identification.

Yasushi Makihara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi

Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Adaptive Control of Video Display for Diagnostic Assistance by Analysis of Capsule Endoscopic Images.

Hai Vu, Tomio Echigo, Ryusuke Sagawa, Keiko Yagi, Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, Yasushi Yagi

Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Gait Recognition Using a View Transformation Model in the Frequency Domain.

Yasushi Makihara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi

Proceedings of the Computer Vision, 2006

Which Reference View is Effective for Gait Identification Using a View Transformation Model?

Yasushi Makihara, Ryusuke Sagawa, Yasuhiro Mukaigawa, Tomio Echigo, Yasushi Yagi

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2006

Matching Gait Image Sequences in the Frequency Domain for Tracking People at a Distance.

Ryusuke Sagawa, Yasushi Makihara, Tomio Echigo, Yasushi Yagi

Proceedings of the Computer Vision, 2006

A Probabilistic Method for Aligning and Merging Range Images with Anisotropic Error Distribution.

Ryusuke Sagawa, Nanaho Osawa, Yasushi Yagi

Proceedings of the 3rd International Symposium on 3D Data Processing, 2006

2005

Adaptively Merging Large-Scale Range Data with Reflectance Properties.

Ryusuke Sagawa, Ko Nishino, Katsushi Ikeuchi

IEEE Trans. Pattern Anal. Mach. Intell., 2005

Calibration of lens distortion by structured-light scanning.

Ryusuke Sagawa, Masaya Takatsuji, Tomio Echigo, Yasushi Yagi

Proceedings of the 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2005

Stereovision with a Single Camera and Multiple Mirrors.

El Mustapha Mouaddib, Ryusuke Sagawa, Tomio Echigo, Yasushi Yagi

Proceedings of the 2005 IEEE International Conference on Robotics and Automation, 2005

Deformable Registration for Generating Dissection Image of an Intestine from Annular Image Sequence.

Suchit Pongnumkul, Ryusuke Sagawa, Tomio Echigo, Yasushi Yagi

Proceedings of the Computer Vision for Biomedical Image Applications, 2005

Real Time 3D Environment Modeling for a Mobile Robot by Aligning Range Image Sequence.

Ryusuke Sagawa, Nanaho Osawa, Tomio Echigo, Yasushi Yagi

Proceedings of the British Machine Vision Conference 2005, Oxford, UK, September 2005, 2005

2004

Compound catadioptric stereo sensor for omnidirectional object detection.

Ryusuke Sagawa, Naoki Kurita, Tomio Echigo, Yasushi Yagi

Proceedings of the 2004 IEEE/RSJ International Conference on Intelligent Robots and Systems, Sendai, Japan, September 28, 2004

2003

Effective Nearest Neighbor Search for Aligning and Merging Range Images.

Ryusuke Sagawa, Tomohito Masuda, Katsushi Ikeuchi

Proceedings of the 4th International Conference on 3D Digital Imaging and Modeling (3DIM 2003), 2003

Taking Consensus of Signed Distance Field for Complementing Unobservable Surface.

Ryusuke Sagawa, Katsushi Ikeuchi

Proceedings of the 4th International Conference on 3D Digital Imaging and Modeling (3DIM 2003), 2003

Parallel Alignment of a Large Number of Range Images.

Takeshi Oishi, Ryusuke Sagawa, Atsushi Nakazawa, Ryo Kurazume, Katsushi Ikeuchi

Proceedings of the 4th International Conference on 3D Digital Imaging and Modeling (3DIM 2003), 2003

2002

Microfacet Billboarding.

Shuntaro Yamazaki, Ryusuke Sagawa, Hiroshi Kawasaki, Katsushi Ikeuchi, Masao Sakauchi

Proceedings of the 13th Eurographics Workshop on Rendering Techniques, 2002

Iterative refinement of range images with anisotropic error distribution.

Ryusuke Sagawa, Takeshi Oishi, Atsushi Nakazawa, Ryo Kurazume, Katsushi Ikeuchi

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, Lausanne, Switzerland, September 30, 2002

2001

Parallel processing of range data merging.

Ryusuke Sagawa, Ko Nishino, Mark D. Wheeler, Katsushi Ikeuchi

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2001

Robust and Adaptive Integration of Multiple Range Images with Photometric Attributes.

Ryusuke Sagawa, Ko Nishino, Katsushi Ikeuchi

Proceedings of the 2001 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2001), 2001

2000

Incremental mesh modeling and hierarchical object recognition using multiple range images.

Ryusuke Sagawa, Kei Okada, Satoshi Kagami, Masayuki Inaba, Hirochika Inoue

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2000