Tomoya Sakai

According to our database, Tomoya Sakai authored at least 68 papers between 2003 and 2023.

Collaborative distances:

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

2023

Background Subtraction Approach to Unsupervised Cell Segmentation: Toward Excluding Spurious Features in Degraded Cytology Slides.

Keita Takeda, Eiji Mitate, Tomoya Sakai

Proceedings of the 20th IEEE International Symposium on Biomedical Imaging, 2023

2019

Blood Vessel Enhancement in Liver Region from a Sequence of Angiograms Taken under Free Breathing.

Morio Kawabe, Yuri Kokura, Takashi Ohnishi, Kazuya Nakano, Hideyuki Kato, Yoshihiko Ooka, Tomoya Sakai, Hideaki Haneishi

Proceedings of the Pattern Recognition, 2019

2018

Emotion-Cluster Classification of Infant Cries Using Sparse Representation.

Takayuki Kurokawa, Tasuku Miura, Masaru Yamashita, Tomoya Sakai, Shoichi Matsunaga

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

Distances Between Tensor Subspaces.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Applications of Intelligent Systems, 2018

2017

Fast Approximate Karhunen-Loève Transform for Three-Way Array Data.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the 2017 IEEE International Conference on Computer Vision Workshops, 2017

Analysis of Multilinear Subspaces Based on Geodesic Distance.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Computer Analysis of Images and Patterns, 2017

Multilinear Methods for Spatio-Temporal Image Recognition.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Computer Analysis of Images and Patterns, 2017

Sequential decomposition of 2D apparent motion fields based on low-rank and sparse approximation.

Tomoya Sakai, Shun Ogawa, Hiroki Kuhara

Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2017

2016

Pattern recognition in multilinear space and its applications: mathematics, computational algorithms and numerical validations.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Mach. Vis. Appl., 2016

Dimension Reduction and Construction of Feature Space for Image Pattern Recognition.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

J. Math. Imaging Vis., 2016

Classification of Volumetric Data Using Multiway Data Analysis.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2016

Mathematical Aspects of Tensor Subspace Method.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2016

Social Media Mediation System for Elderly People: Message Exchange Learning Type Switching Method.

Toru Kobayashi, Kazushige Katsuragi, Taishi Miyazaki, Kenichi Arai, Tomoya Sakai, Makoto Fujimura

Proceedings of the 19th International Conference on Network-Based Information Systems, 2016

Volumetric Image Pattern Recognition Using Three-Way Principal Component Analysis.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Spectral and Shape Analysis in Medical Imaging, 2016

Unmixing three types of lung sounds by convex optimization.

Tomoya Sakai, Sueharu Miyahara, Senya Kiyasu

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

Social Media Mediation System for Closing Inter-Generational Communication Gap.

Toru Kobayashi, Kazushige Katsuragi, Kenichi Arai, Tomoya Sakai, Makoto Fujimura

Proceedings of the 40th IEEE Annual Computer Software and Applications Conference, 2016

Approximation of N-Way Principal Component Analysis for Organ Data.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Computer Vision - ACCV 2016 Workshops, 2016

2015

Discriminative Properties in Directional Distributions for Image Pattern Recognition.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

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

Separating background and foreground optical flow fields by low-rank and sparse regularization.

Tomoya Sakai, Hiroki Kuhara

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

Low-Dimensional Tensor Principle Component Analysis.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Computer Analysis of Images and Patterns, 2015

2014

Two-Dimensional Global Image Registration Using Local Linear Property of Image Manifold.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Learning high-dimensional nonlinear mapping via compressed sensing.

Tomoya Sakai, Daisuke Miyata

Proceedings of the IEEE International Conference on Acoustics, 2014

Global Volumetric Image Registration Using Local Linear Property of Image Manifold.

Hayato Itoh, Atsushi Imiya, Tomoya Sakai

Proceedings of the Computer Vision - ACCV 2014 Workshops, 2014

2013

Dimension Reduction Methods for Image Pattern Recognition.

Hayato Itoh, Tomoya Sakai, Kazuhiko Kawamoto, Atsushi Imiya

Proceedings of the Similarity-Based Pattern Recognition - Second International Workshop, 2013

Topology-Preserving Dimension-Reduction Methods for Image Pattern Recognition.

Hayato Itoh, Tomoya Sakai, Kazuhiko Kawamoto, Atsushi Imiya

Proceedings of the Image Analysis, 18th Scandinavian Conference, 2013

Local Affine Optical Flow Computation.

Hayato Itoh, Shun Inagaki, Ming-Ying Fan, Atsushi Imiya, Kazuhiko Kawamoto, Tomoya Sakai

Proceedings of the Image and Video Technology - PSIVT 2013 Workshops, 2013

Scale-Space Clustering on the Sphere.

Yoshihiko Mochizuki, Atsushi Imiya, Kazuhiko Kawamoto, Tomoya Sakai, Akihiko Torii

Proceedings of the Computer Analysis of Images and Patterns, 2013

Global Image Registration Using Random Projection and Local Linear Method.

Hayato Itoh, Tomoya Sakai, Kazuhiko Kawamoto, Atsushi Imiya

Proceedings of the Computer Analysis of Images and Patterns, 2013

Affine Colour Optical Flow Computation.

Ming-Ying Fan, Atsushi Imiya, Kazuhiko Kawamoto, Tomoya Sakai

Proceedings of the Computer Analysis of Images and Patterns, 2013

2012

Alignment and Morphing for the Boundary Curves of Anatomical Organs.

Keiko Morita, Atsushi Imiya, Tomoya Sakai, Hidekaka Hontan, Yoshitaka Masutani

Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2012

Interpolation of Reference Images in Sparse Dictionary for Global Image Registration.

Hayato Itoh, Shuang Lu, Tomoya Sakai, Atsushi Imiya

Proceedings of the Advances in Visual Computing - 8th International Symposium, 2012

Robust detection of adventitious lung sounds in electronic auscultation signals.

Tomoya Sakai, Madoka Kato, Sueharu Miyahara, Senya Kiyasu

Proceedings of the 21st International Conference on Pattern Recognition, 2012

Sparse representation-based extraction of pulmonary sound components from low-quality auscultation signals.

Tomoya Sakai, Haruka Satomoto, Senya Kiyasu, Sueharu Miyahara

Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Hierarchical Properties of Multi-resolution Optical Flow Computation.

Yusuke Kameda, Atsushi Imiya, Tomoya Sakai

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

The Mean Boundary Curve of Anatomical Objects.

Keiko Morita, Atsushi Imiya, Tomoya Sakai, Hidekata Hontani, Yoshitaka Masutani

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2012

2011

Variational method for super-resolution optical flow.

Yoshihiko Mochizuki, Yusuke Kameda, Atsushi Imiya, Tomoya Sakai, Takashi Imaizumi

Signal Process., 2011

Bifurcation of Segment Edge Curves in Scale Space.

Tomoya Sakai, Haruhiko Nishiguchi, Hayato Itoh, Atsushi Imiya

Proceedings of the Scale Space and Variational Methods in Computer Vision, 2011

Subvoxel Super-Resolution of Volumetric Motion Field Using General Order Prior.

Koji Kashu, Atsushi Imiya, Tomoya Sakai

Proceedings of the Advances in Visual Computing - 7th International Symposium, 2011

Global Image Registration by Fast Random Projection.

Hayato Itoh, Shuang Lu, Tomoya Sakai, Atsushi Imiya

Proceedings of the Advances in Visual Computing - 7th International Symposium, 2011

2010

Continuity Order of Local Displacement in Volumetric Image Sequence.

Koji Kashu, Yusuke Kameda, Masaki Narita, Atsushi Imiya, Tomoya Sakai

Proceedings of the Biomedical Image Registration, 4th International Workshop, 2010

On-line Planar Area Segmentation from Sequence of Monocular Monochrome Images for Visual Navigation of Autonomous Robot.

Naoya Ohnishi, Yoshihiko Mochizuki, Atsushi Imiya, Tomoya Sakai

Proceedings of the VISAPP 2010 - Proceedings of the Fifth International Conference on Computer Vision Theory and Applications, Angers, France, May 17-21, 2010, 2010

Multiscale Analysis of Volumetric Motion Field Using General Order Prior.

Koji Kashu, Atsushi Imiya, Tomoya Sakai

Proceedings of the Advances in Visual Computing - 6th International Symposium, 2010

An Iterative Method for Superresolution of Optical Flow Derived by Energy Minimisation.

Yoshihiko Mochizuki, Yusuke Kameda, Atsushi Imiya, Tomoya Sakai, Takashi Imaizumi

Proceedings of the 20th International Conference on Pattern Recognition, 2010

Multi-label Classification for Image Annotation via Sparse Similarity Voting.

Tomoya Sakai, Hayato Itoh, Atsushi Imiya

Proceedings of the Computer Vision - ACCV 2010 Workshops, 2010

2009

Unsupervised cluster discovery using statistics in scale space.

Tomoya Sakai, Atsushi Imiya

Eng. Appl. Artif. Intell., 2009

Validation of Watershed Regions by Scale-Space Statistics.

Tomoya Sakai, Atsushi Imiya

Proceedings of the Scale Space and Variational Methods in Computer Vision, 2009

Fast Spectral Clustering with Random Projection and Sampling.

Tomoya Sakai, Atsushi Imiya

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2009

Unification of Multichannel Motion Feature Using Boolean Polynomial.

Naoya Ohnishi, Atsushi Imiya, Tomoya Sakai

Proceedings of the Advances in Visual Computing, 5th International Symposium, 2009

Two Step Variational Method for Subpixel Optical Flow Computation.

Yoshihiko Mochizuki, Yusuke Kameda, Atsushi Imiya, Tomoya Sakai, Takashi Imaizumi

Proceedings of the Advances in Visual Computing, 5th International Symposium, 2009

Optical Flow Computation from an Asynchronised Multiresolution Image Sequence.

Yusuke Kameda, Naoya Ohnishi, Atsushi Imiya, Tomoya Sakai

Proceedings of the Advances in Visual Computing, 5th International Symposium, 2009

Randomized algorithm of spectral clustering and image/video segmentation using a minority of pixels.

Tomoya Sakai, Atsushi Imiya

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

Multiple pattern classification by sparse subspace decomposition.

Tomoya Sakai

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

Computing the Local Continuity Order of Optical Flow Using Fractional Variational Method.

Koji Kashu, Yusuke Kameda, Atsushi Imiya, Tomoya Sakai, Yoshihiko Mochizuki

Proceedings of the Energy Minimization Methods in Computer Vision and Pattern Recognition, 2009

Scale Space Hierarchy of Segments.

Haruhiko Nishiguchi, Atsushi Imiya, Tomoya Sakai

Proceedings of the Computer Analysis of Images and Patterns, 13th International Conference, 2009

2008

Monte Carlo subspace method: An incremental approach to high-dimensional data classification.

Tomoya Sakai

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

Statistically Valid Graph Representations of Scale-Space Geometry.

Tomoya Sakai, Atsushi Imiya

Proceedings of the Image and Signal Processing - 3rd International Conference, 2008

2007

Gradient Structure of Image in Scale Space.

Tomoya Sakai, Atsushi Imiya

J. Math. Imaging Vis., 2007

Scale-Space Clustering with Recursive Validation.

Tomoya Sakai, Takuto Komazaki, Atsushi Imiya

Proceedings of the Scale Space and Variational Methods in Computer Vision, 2007

Critical Scale for Unsupervised Cluster Discovery.

Tomoya Sakai, Atsushi Imiya, Takuto Komazaki, Shiomu Hama

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2007

2006

Hierarchical Tree of Image Derived by Diffusion Filtering.

Haruhiko Nishiguchi, Atsushi Imiya, Tomoya Sakai

Proceedings of the Combinatorial Image Analysis, 11th International Workshop, 2006

Combinatorial Properties of Scale Space Singular Points.

Atsushi Imiya, Tomoya Sakai

Proceedings of the Combinatorial Image Analysis, 11th International Workshop, 2006

Shape Reconstruction by Line Voting in Discrete Space.

Kosuke Sato, Atsushi Imiya, Tomoya Sakai

Proceedings of the Advances in Visual Computing, Second International Symposium, 2006

Laplacian Based Non-Linear Diffusion Filtering.

Haruhiko Nishiguchi, Atsushi Imiya, Tomoya Sakai

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

2005

Figure Field Analysis of Linear Scale-Space Image.

Tomoya Sakai, Atsushi Imiya

Proceedings of the Scale Space and PDE Methods in Computer Vision, 2005

Tree-Based Tracking of Temporal Image.

Tomoya Sakai, Atsushi Imiya, Heitoh Zen

Proceedings of the Graph-Based Representations in Pattern Recognition, 2005

Scale-Space Hierarchy of Singularities.

Tomoya Sakai, Atsushi Imiya

Proceedings of the Deep Structure, 2005

2004

Hierarchical Analysis of Low-Contrast Temporal Images with Linear Scale Space.

Tomoya Sakai, Atsushi Imiya

Proceedings of the Computer Vision and Mathematical Methods in Medical and Biomedical Image Analysis, 2004

2003

Temporal Structure Tree in Digital Linear Scale Space.

Atsushi Imiya, Tateshi Sugiura, Tomoya Sakai, Yuichiro Kato

Proceedings of the Scale Space Methods in Computer Vision, 4th International Conference, 2003