Koji Koyamada

ORCID

Publication Activity (10 Years)

Years Active: 1991-2023
Publications (10 Years): 29

Top Venues

Publications

Zhongjiang Han, Jiarui Ou, Koji Koyamada
High-precision page information extraction from 3D scanned booklets using physics-informed neural network. J. Vis. 26 (2) (2023)
Hiroaki Natsukawa, Ethan R. Deyle, Gerald M. Pao, Koji Koyamada, George Sugihara
A Visual Analytics Approach for Ecosystem Dynamics based on Empirical Dynamic Modeling. IEEE Trans. Vis. Comput. Graph. 27 (2) (2021)
Koji Koyamada, Yu Long, Takuma Kawamura, Katsumi Konishi
Data-driven derivation of partial differential equations using neural network model. Int. J. Model. Simul. Sci. Comput. 12 (2) (2021)
Kunqi Hu, Koji Koyamada, Hiroaki Ohtani, Takuya Goto, Junichi Miyazawa
Visualization of plasma shape in the LHD-type helical fusion reactor, FFHR, by a deep learning technique. J. Vis. 24 (6) (2021)
Mai Cong Hung, Ryohei Nakatsu, Naoko Tosa, Takashi Kusumi, Koji Koyamada
Learning of Art Style Using AI and Its Evaluation Based on Psychological Experiments. ICEC (2020)
Chi Zhang, Qingwu Gong, Koji Koyamada
Visual analytics and prediction system based on deep belief networks for icing monitoring data of overhead power transmission lines. J. Vis. 23 (6) (2020)
Yasuo Ebara, Tomoya Uetsuji, Minoru Kamata, Koji Koyamada
Study on visualization of cognitive rectifying with conversation documents in psychological counseling. Artif. Life Robotics 25 (2) (2020)
Chi Zhang, Qingwu Gong, Ting Wang, Koji Koyamada
Visual extraction system for insulators on power transmission lines from UAV photographs using support vector machine and color models. J. Vis. 23 (6) (2020)
Mai Cong Hung, Ryohei Nakatsu, Naoko Tosa, Takashi Kusumi, Koji Koyamada
Learning of Art Style Using AI and Its Evaluation Based on Psychological Experiments. CoRR (2020)
Yuki Ueno, Hiroaki Natsukawa, Nozomi Aoyama, Koji Koyamada
Exploration behavior of group-in-a-box layouts. Vis. Informatics 3 (1) (2019)
Nozomi Aoyama, Yosuke Onoue, Yuki Ueno, Hiroaki Natsukawa, Koji Koyamada
User Evaluation of Group-in-a-Box Variants. PacificVis (2019)
Yasuo Ebara, Tomoya Uetsuji, Minoru Kamata, Koji Koyamada
Development of Visualization System to Analyze Conversation Documents in Psychological Counseling. iCAST (2018)
Yosuke Onoue, Koji Kyoda, Miki Kioka, Kazutaka Baba, Shuichi Onami, Koji Koyamada
Development of an Integrated Visualization System for Phenotypic Character Networks. PacificVis (2018)
Koji Koyamada, Yosuke Onoue, Miki Kioka, Tomoya Uetsuji, Kazutaka Baba
Visualization of JOV abstracts. J. Vis. 21 (2) (2018)
Stefan Bruckner, Koji Koyamada, Bongshin Lee
Guest Editors' Introduction: Special Section on IEEE PacificVis 2018. IEEE Trans. Vis. Comput. Graph. 24 (6) (2018)
Kozen Umezawa, Hiroaki Natsukawa, Yosuke Onoue, Koji Koyamada
A visual analytics system to support the formation of a hypothesis from calcium wave data. Vis. Informatics 2 (1) (2018)
Jorji Nonaka, Naohisa Sakamoto, Takashi Shimizu, Masahiro Fujita, Kenji Ono, Koji Koyamada
Distributed Particle-Based Rendering Framework for Large Data Visualization on HPC Environments. HPCS (2017)
Kun Zhao, Naohisa Sakamoto, Koji Koyamada
Using interactive particle-based rendering to visualize a large-scale time-varying unstructured volume with mixed cell types. PacificVis (2017)
Jorji Nonaka, Naohisa Sakamoto, Yasumitsu Maejima, Kenji Ono, Koji Koyamada
A visual causal exploration framework case study: a torrential rain and a flash flood in Kobe city. SIGGRAPH Asia Symposium on Visualization (2017)
Yosuke Onoue, Nobuyuki Kukimoto, Naohisa Sakamoto, Kazuo Misue, Koji Koyamada
Layered Graph Drawing for Visualizing Evaluation Structures. IEEE Computer Graphics and Applications 37 (2) (2017)
Hiroaki Natsukawa, Koji Koyamada
Visual analytics of brain effective connectivity using convergent cross mapping. SIGGRAPH Asia Symposium on Visualization (2017)
Yosuke Onoue, Koji Koyamada
Optimal tree reordering for group-in-a-box graph layouts. SIGGRAPH Asia Symposium on Visualization (2017)
Fumiaki Araki, Koji Koyamada
Symposium on visualization in high-performance computing at SIGGRAPH Asia 2015. J. Vis. 20 (2) (2017)
Hideo Miyachi, Isamu Kuroki, Daisuke Matsuoka, Koji Koyamada
Development of Integrated Visual Analytic Tool with 3D Visualization. NBiS (2017)
Yosuke Onoue, Koji Koyamada
Quasi-biclique edge concentration: A visual analytics method for biclustering. PacificVis (2017)
Yosuke Onoue, Nobuyuki Kukimoto, Naohisa Sakamoto, Koji Koyamada
Minimizing the Number of Edges via Edge Concentration in Dense Layered Graphs. IEEE Trans. Vis. Comput. Graph. 22 (6) (2016)
Hideo Miyachi, Naohisa Sakamoto, Koji Koyamada
Parallelized fusion visualization system. Artif. Life Robotics 21 (1) (2016)
Hideo Miyachi, Koji Koyamada, Daisuke Matsuoka, Isamu Kuroki
Fusion Visualization System as an Open Science Foundation. NBiS (2016)
Yosuke Onoue, Nobuyuki Kukimoto, Naohisa Sakamoto, Koji Koyamada
E-Grid: a visual analytics system for evaluation structures. J. Vis. 19 (4) (2016)
Koji Koyamada, Xiaoru Yuan
The 1st China Visualization Conference (ChinaVis). J. Vis. 18 (2) (2015)
Seok-Hee Hong, Koji Koyamada, Kwan-Liu Ma
Big Data Visual Analytics (NII Shonan Meeting 2015-17). NII Shonan Meet. Rep. 2015 (2015)
Takuma Kawamura, Yasuhiro Idomura, Hiroko Miyamura, Hiroshi Takemiya, Naohisa Sakamoto, Koji Koyamada
Remote visualization system based on particle based volume rendering. Visualization and Data Analysis (2015)
Kun Zhao, Naohisa Sakamoto, Koji Koyamada
Adaptive fused visualization for large-scale blood flow dataset with particle-based rendering. J. Vis. 18 (2) (2015)
Xiaoru Yuan, Baoquan Chen, Koji Koyamada, Issei Fujishiro
Human-Centered Data Visualization [Guest editors' introduction]. IEEE Computer Graphics and Applications 35 (6) (2015)
Issei Fujishiro, Bing-Yu Chen, Wei Chen, Seok-Hee Hong, Takayuki Itoh, Koji Koyamada, Kenji Ono, Jorji Nonaka
Top computational visualization R&D problems 2015: panel. SIGGRAPH Asia Visualization in High Performance Computing (2015)
Kun Zhao, Satoshi Nakada, Naohisa Sakamoto, Koji Koyamada
Voting-based ensemble-averaging visualization for water mass distribution. J. Vis. 18 (4) (2015)
Koji Koyamada, Nobuyuki Kukimoto
Agenda Setting in Policy-Making Using Visualization Techniques. PacificVis (2014)
Nobuyuki Kukimoto, Yosuke Onoue, Kazuo Aoki, Kinya Fujita, Koji Koyamada
HyperInfo: Interactive Large Display for Informal Visual Communication. NBiS (2014)
Naohisa Sakamoto, Koji Koyamada
A Stochastic Approach for Rendering Multiple Irregular Volumes. PacificVis (2014)
Satoshi Tanaka, Makoto Uemura, Kyoko Hasegawa, Takehiko Kitagawa, Takahiro Yoshida, Asuka Sugiyama, Hiromi T. Tanaka, Atsushi Okamoto, Naohisa Sakamoto, Koji Koyamada
Application of Stochastic Point-Based Rendering to Transparent Visualization of Large-Scale Laser-Scanned Data of 3D Cultural Assets. PacificVis (2014)
Takashi Uenaka, Naohisa Sakamoto, Koji Koyamada
Visual Analysis of Habitat Suitability Index Model for Predicting the Locations of Fishing Grounds. PacificVis (2014)
Kun Zhao, Naohisa Sakamoto, Koji Koyamada
Fused Visualization for Large-Scale Time-Varying Volume Data with Adaptive Particle-Based Rendering. AsiaSim (2014)
Hideo Miyachi, Tomoyuki Ishida, Naohisa Sakamoto, Koji Koyamada
Fusion visualization for fluid dynamics in blood vessel. Artif. Life Robotics 19 (3) (2014)
Koji Koyamada, Xiaoru Yuan
The Visualization Workshop 2013. J. Vis. 17 (3) (2014)
Hideo Miyachi, Naohisa Sakamoto, Koji Koyamada
Applying Fusion Visualization to Unstructured Data. NBiS (2014)
Alexandre Ancel, Ingo Assenmacher, Ken-ichi Baba, Julien Cisonni, Yo Fujiso, Paulo Gonçalves, Matthieu Imbert, Koji Koyamada, P. Neyron, Kazunori Nozaki, Hiroyuki Ohsaki, Anne-Cécile Orgerie, Xavier Pelorson, Bruno Raffin, Naohisa Sakamoto, Eisaku Sakane, Shinji Shimojo, Annemie Van Hirtum, Shigeo Wada
PetaFlow - An Example of Communication and Computational Technologies with Social Impact. COMPSAC Workshops (2013)
Naohisa Sakamoto, Naoya Maeda, Takuma Kawamura, Koji Koyamada
High-quality particle-based volume rendering for large-scale unstructured volume datasets. J. Vis. 16 (2) (2013)
Kun Zhao, Naohisa Sakamoto, Koji Koyamada
Compression for Large-Scale Time-Varying Volume Data Using Spatio-temporal Features. AsiaSim (2013)
Kun Zhao, Naohisa Sakamoto, Koji Koyamada
A Volume Compression Scheme Based on Block Division with Fast Cubic B-spline Evaluation. AsiaSim (3) (2012)
Allan Lorant, Alexandre Ancel, Kun Zhao, Naohisa Sakamoto, Koji Koyamada, Bruno Raffin
Particle-Based Volume Rendering of Remote Volume Datasets Using FlowVR. AsiaSim (1) (2012)
Naohisa Sakamoto, Koji Koyamada
Stoachastic Approach for Integrated Rendering of Volumes and Semi-transparent Surfaces. SC Companion (2012)
Chi Zhang, Naohisa Sakamoto, Koji Koyamada
Detection of Linear Relationship among Dimensions in Multivariate Data by Parallel Coordinates. AsiaSim (1) (2012)
Kun Zhao, Naohisa Sakamoto, Koji Koyamada
A Temporal Coherence Based Framework for Visualizing Time-Varying Unstructured Volume with PBVR. AsiaSim (1) (2012)
Satoshi Tanaka, Kyoko Hasegawa, Yoshiyuki Shimokubo, Tomonori Kaneko, Takuma Kawamura, Susumu Nakata, Saori Ojima, Naohisa Sakamoto, Hiromi T. Tanaka, Koji Koyamada
Particle-Based Transparent Rendering of Implicit Surfaces and its Application to Fused Visualization. EuroVis (Short Papers) (2012)
Hiroyuki Ohsaki, Kazunori Nozaki, Ken-ichi Baba, Eisaku Sakane, Naohisa Sakamoto, Koji Koyamada, Shinji Shimojo
Peta-Flow Computing: Vision and Challenges. SAINT (2011)
Hideo Miyachi, Hironori Shigeta, Kiyoshi Kiyokawa, Hiroshi Kuwano, Naohisa Sakamoto, Koji Koyamada
Parallelization of Particle Based Volume Rendering on Tiled Display Wall. NBiS (2010)
Ding Zhongming, Takuma Kawamura, Naohisa Sakamoto, Koji Koyamada
Particle-based multiple irregular volume rendering on CUDA. Simul. Model. Pract. Theory 18 (8) (2010)
Paulo Gonçalves, Xavier Grandchamp, Xavier Pelorson, Bruno Raffin, Annemie Van Hirtum, Pascale Vicat-Blanc, Ken-ichi Baba, Julien Cisonni, Yasuo Ebara, Kazunori Nozaki, Hiroyuki Ohsaki, Shigeo Wada, Takuma Kawamura, Koji Koyamada, Eisaku Sakane, Naohisa Sakamoto, Shinji Shimojo
Petaflow - A Project Towards Information and Communication Technologies in Society. SAINT (2010)
Takuma Kawamura, Naohisa Sakamoto, Koji Koyamada
Level-of-Detail Rendering of Large-Scale Irregular Volume Datasets Using Particles. J. Comput. Sci. Technol. 25 (5) (2010)
Satoshi Tanaka, Kyoko Hasegawa, Susumu Nakata, Hideo Nakajima, Takuya Hatta, Frederika Rambu Ngana, Takuma Kawamura, Naohisa Sakamoto, Koji Koyamada
Grid-Independent Metropolis Sampling for Volume Visualization. Int. J. Model. Simul. Sci. Comput. 1 (2) (2010)
Naohisa Sakamoto, Takuma Kawamura, Koji Koyamada, Kazunori Nozaki
Improvement of particle-based volume rendering for visualizing irregular volume data sets. Comput. Graph. 34 (1) (2010)
Yusuke Gotoh, Yasuo Ebara, Tomoki Yoshihisa, Koji Koyamada, Masanori Kanazawa
Development of Tea Ceremony e-Learning Environment within Immersive Projection Technology. AINA Workshops (2008)
Yasuo Ebara, Nobuyuki Kukimoto, Koji Koyamada
Evaluation Experiment on Eye-to-Eye Contact in Remote Communication with Tiled Displays Environments. AINA Workshops (2008)
Koji Koyamada, Naohisa Sakamoto, Satoshi Tanaka
A Particle Modeling for Rendering Irregular Volumes. UKSim (2008)
Naohisa Sakamoto, Ding Zhongming, Takuma Kawamura, Koji Koyamada
Hardware-Accelerated Particle-Based Volume Rendering for Multiple Irregular Volumes. ISVC (2) (2008)
Nobuyuki Kukimoto, Yasuo Ebara, Koji Koyamada
Tele-immersive collaborative virtual environment for intuitive interpretation. Artif. Life Robotics 13 (1) (2008)
Yasuo Ebara, Nobuyuki Kukimoto, Jason Leigh, Koji Koyamada
Tele-Immersive Collaboration Using High-Resolution Video in Tiled Displays Environment. AINA Workshops (2) (2007)
Norihisa Segawa, Yukio Yasuhara, Naohisa Sakamoto, Tomoki Yoshihisa, Yasuo Ebara, Koji Koyamada
A real-time sensor network visualization system using KVS: Kyoto visualization system. SenSys (2007)
Naohisa Sakamoto, Jorji Nonaka, Koji Koyamada, Satoshi Tanaka
Particle-based volume rendering. APVIS (2007)
Takayuki Itoh, Hiroki Takakura, Atsushi Sawada, Koji Koyamada
Hierarchical Visualization of Network Intrusion Detection Data. IEEE Computer Graphics and Applications 26 (2) (2006)
Koji Sakai, Naohisa Sakamoto, Jorji Nonaka, Yukio Yasuhara, Koji Koyamada
Framework for Creating New Discriminats for Detecting DTI properties: DTI Mapper. EMBC (2006)
Yukiko Yamashita, Koji Sakai, Naohisa Sakamoto, Jorji Nonaka, Koji Koyamada
Improved Hierarchical Parameter Optimization Technique - Application for a cardiac myocyte model. EMBC (2006)
Tomoki Yoshihisa, Koji Koyamada, Yukio Yasuhara, Masahiko Tsukamoto
Design and Implementation for A Bimanual Input System on Virtual Environments. AINA (2) (2006)
Naohisa Sakamoto, Jorji Nonaka, Koji Koyamada, Satoshi Tanaka
Volume Rendering Using Tiny Particles. ISM (2006)
Yasuo Ebara, Tetsuya Nabuchi, Naohisa Sakamoto, Koji Koyamada
Study on Eye-to-Eye Contact by Multi-Viewpoint Videos Merging System for Tele-immersive Environment. AINA (2) (2006)
Jorji Nonaka, Nobuyuki Kukimoto, Yasuo Ebara, Masato Ogata, Takeshi Iwashita, Masanori Kanazawa, Koji Koyamada
Hybrid Image Composition Mechanism for Enhancing Volume Graphics Clusters. IEICE Trans. Inf. Syst. (11) (2005)
Jorji Nonaka, Koji Sakai, Koji Koyamada, Masanori Kanazawa
A Course-Grid Pre-Processing based Load Balancing Scheme for Parallel Line Integral Convolution. IASTED PDCS (2005)
Tomoki Minami, Koji Sakai, Koji Koyamada
The Method to Evaluate a Similarity of Two Dimensional Data Using Critical Point Graph. ICPADS (2) (2005)
Koji Sakai, Naohisa Sakamoto, Koji Koyamada, Tatsuo Hasegawa
Virtual Object Reconstruction in Real World. ICPADS (2) (2005)
Tomoki Minami, Koji Sakai, Koji Koyamada
A Similarity Evaluation Method for Volume Data Sets by Using Critical Point Graph. ISHPC (2005)
Yukio Yasuhara, Nobuyuki Kukimoto, Naohisa Sakamoto, Yasuo Ebara, Koji Koyamada
3D Data Transmitting and Displaying System with an Omni-Directional Display for Group Learning. C5 (2005)
Naohisa Sakamoto, Koji Koyamada
Particle Generation from User-specified Transfer Function for Point-based Volume Rendering. IEEE Visualization (2005)
Yukio Yasuhara, Naohisa Sakamoto, Nobuyuki Kukimoto, Yasuo Ebara, Koji Koyamada
Interactive Controller for 3D Contents with Omni-directional Display. ICPADS (2) (2005)
Yasuo Ebara, Yasuhiro Watashiba, Koji Koyamada, Koji Sakai, Akio Doi
Remote Visualization Using Resource Monitoring Technique for Volume Rendering of Large Datasets. SAINT (2004)
Jorji Nonaka, Nobuyuki Kukimoto, Naohisa Sakamoto, Hiroshi Hazama, Yasuhiro Watashiba, Xuezhen Liu, Masato Ogata, Masanori Kanazawa, Koji Koyamada
Hybrid Hardware-Accelerated Image Composition for Sort-Last Parallel Rendering on Graphics Clusters with Commodity Image Compositor. VolVis (2004)
Naohisa Sakamoto, Jorji Nonaka, T. Takai, Koji Koyamada, T. Matsuyama
View-independent Texture Representation for Omnidirectional Display. Computer Graphics and Imaging (2003)
Yasuhiro Watashiba, Jorji Nonaka, Naohisa Sakamoto, Yasuo Ebara, Koji Koyamada, Masanori Kanazawa
A Streaming-based Technique for Volume Rendering of Large Datasets6. Computer Graphics and Imaging (2003)
Takayuki Itoh, Yasushi Yamaguchi, Koji Koyamada
Fast Isosurface Generation Using the Volume Thinning Algorithm. IEEE Trans. Vis. Comput. Graph. 7 (1) (2001)
Koji Koyamada, Akio Doi
Effective Ray-casting of Unstructured Grids. VIIP (2001)
Masanori Kuzuno, Toshihiko Nishio, Koji Koyamada
A thermal compact modeling method using Response Surface Methodology with Genetic Algorithm. PDPTA (2000)
Koji Koyamada, Kazuma Kamisawa, Akio Doi
Visualization of vortical flow using multiple slices. ICPADS Workshops (2000)
Akio Doi, Koji Koyamada
Error visualization of tetrahedral subdivision approach for trilinear interpolation. ICPADS Workshops (2000)
Takayuki Itoh, Yasushi Yamaguchi, Koji Koyamada
Fast Isosurface Generation Using the Cell-Edge Centered Propagation Algorithm. ISHPC (2000)
Koji Koyamada
Fast Ray-Casting for Irregular Volumes. ISHPC (2000)
Akio Doi, Satoshi Suzuki, Koji Koyamada, Shinji Sannakanishi
Vortex flow visualization using tetrahedral cell subdivision. PG (1997)
Takayuki Itoh, Yasushi Yamaguchi, Koji Koyamada
Volume Thinning for Automatic Isosurface Propagation. IEEE Visualization (1996)
Koji Koyamada, Takayuki Ito
Fast generation of spherical slicing surfaces for irregular volume rendering. Vis. Comput. 11 (3) (1995)
Takayuki Itoh, Koji Koyamada
Automatic Isosurface Propagation Using an Extrema Graph and Sorted Boundary Cell Lists. IEEE Trans. Vis. Comput. Graph. 1 (4) (1995)
Takayuki Itoh, Koji Koyamada
Isosurface Generation by Using Extrema Graphs. IEEE Visualization (1994)
Koji Koyamada
Visualization of Simulated Airflow in a Clean Room. IEEE Visualization (1992)

Koji Koyamada.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Koji Koyamada