Takahiro Hayashi

According to our database, Takahiro Hayashi authored at least 77 papers between 1993 and 2024.

Collaborative distances:

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

2024

RF Chain-Wise Clustering Schemes for Millimeter Wave Cell-Free Massive MIMO With Centralized Hybrid Beamforming.

Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano

IEEE Access, 2024

300 GHz Propagation Loss Estimation Method for BAN Assuming Walking Behavior.

Kazuki Takezawa, Satoshi Ito, Takahiro Hayashi

Proceedings of the 99th IEEE Vehicular Technology Conference, 2024

Propagation Path-Informed High-Generalization Path Loss Model for Unknown Region Estimation.

Satoshi Ito, Takahiro Hayashi

Proceedings of the 99th IEEE Vehicular Technology Conference, 2024

First-Fresnel-Zone Based Path Loss Estimation for IRS-Assisted Millimeter Wave Communications.

Hiroki Aoki, Satoshi Ito, Takuya Ohto, Takahiro Hayashi

Proceedings of the 99th IEEE Vehicular Technology Conference, 2024

Sub-THz Multi-beam Antennas for Virtualized Terminal Technology.

Yoshiki Sugimoto, Kunio Sakakibara, Takeyuki Tsuchida, Takuya Sugiyama, Shumpei Kishi, Azuki Iwamoto, Kenta Nishimura, Takanori Narita, Motoko Sakamoto, Nobuyoshi Kikuma, Satoshi Ito, Yoshio Kunisawa, Takahiro Hayashi

Proceedings of the Joint European Conference on Networks and Communications & 6G Summit, 2024

Virtualized Terminal Using Terahertz-Band for Ultra High Capacity Towards Beyond 5G and 6G.

Satoshi Ito, Yoshio Kunisawa, Takeo Ooseki, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the IEEE VTS Asia Pacific Wireless Communications Symposium, 2024

2023

Low-Cost Learning-Based Path Loss Estimation Using Correlation Graph CNN.

Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., August, 2023

Practical Evaluation Method of Large Size IRS: Synthesis of Reflection Pattern of Sub-IRS.

Hiromi Matsuno, Takuya Ohto, Tomofumi Kanno, Takahiro Hayashi

IEEE Access, 2023

Development of a Dual-Polarized Direction-Variable Liquid-Crystal Meta-Surface Reflector for Intelligent Reflecting Surface.

Hiromi Matsuno, Takuya Ohto, Takahiro Hayashi, Yoshiaki Amano, Mitsutaka Okita, Daiichi Suzuki, Kazuki Matsunaga, Shinichiro Oka

IEEE Access, 2023

Wide Beamwidth and High Gain Reflection Pattern Design Method for Intelligent Reflecting Surface.

Hiromi Matsuno, Takuya Ohto, Takahiro Hayashi, Mitsutaka Okita, Daiichi Suzuki, Kazuki Matsunaga, Shinichiro Oka

Proceedings of the IEEE Wireless Communications and Networking Conference, 2023

Estimation Method for Human Blockage Loss in the 300 GHz Band.

Kazuki Takezawa, Satoshi Ito, Takahiro Hayashi

Proceedings of the 98th IEEE Vehicular Technology Conference, 2023

Element Failure Correction for Reconfigurable Meta-surface Reflectors.

Takuya Ohto, Hiromi Matsuno, Takahiro Hayashi, Mitsutaka Okita, Daiichi Suzuki, Kazuki Matsunaga, Shinichiro Oka

Proceedings of the 98th IEEE Vehicular Technology Conference, 2023

Millimeter Wave Path Loss Modeling using Multi-Resolution Map Based on ResNet.

Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 98th IEEE Vehicular Technology Conference, 2023

RNN-Based Path Loss Modeling with Variable-Size Map Data in Urban Environments.

Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 97th IEEE Vehicular Technology Conference, 2023

TOA-Based Positioning Scheme for IRS-Assisted 5G Milimeter Wave Networks.

Tomofumi Kanno, Takuya Ohto, Hiromi Matsuno, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 98th IEEE Vehicular Technology Conference, 2023

Measurement-based Evaluation of Path Loss and Propagation Mechanisms in the 300 GHz band.

Satoshi Ito, Kazuki Takezawa, Takahiro Hayashi

Proceedings of the 98th IEEE Vehicular Technology Conference, 2023

Low-Cost Path Loss Estimation Using Correlation Graph CNN with Novel Feature Parameters.

Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 97th IEEE Vehicular Technology Conference, 2023

Feature Extraction Using Hough Transform in Radio Propagation Estimation.

Rento Hagiwara, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 98th IEEE Vehicular Technology Conference, 2023

AniCropify: Image Matting for Anime-Style Illustration.

Yuki Matsuura, Takahiro Hayashi

Proceedings of the ACM Multimedia Asia 2023, 2023

Scene Classification in FPS Game Videos Based on Acoustic Information.

Yusuke Maeda, Takahiro Hayashi

Proceedings of the IEEE Conference on Games, 2023

Device Classification via Passive Fingerprints with Clustering Algorithm.

Masaki Ichino, Naoyuki Masuda, Takahiro Hayashi, Naoki Kodama, Takamichi Saito

Proceedings of the Advances on Broad-Band and Wireless Computing, Communication and Applications, 2023

2022

Measurement and Evaluation of 28 GHz Propagation Characteristics in Specific Environments.

Satoshi Ito, Takahiro Hayashi

IEEE Access, 2022

A Study on Radio Propagation Characteristics at 100 GHz between the User Equipment and a Wearable Device.

Kazuki Takezawa, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 96th Vehicular Technology Conference, 2022

Fine-Tuning for Propagation Modeling of Different Frequencies with Few Data.

Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 96th Vehicular Technology Conference, 2022

Practical Evaluation Method for Large IRS: RCS Pattern Synthesis of Sub-IRS with Mutual Coupling.

Hiromi Matsuno, Tatsuya Nagao, Takuya Ohto, Takahiro Hayashi, Michihiro Harada

Proceedings of the 96th Vehicular Technology Conference, 2022

Virtualized terminal utilizing terahertz band radio waves for Beyond 5G: Timing Synchronization Scheme of Relay Device.

Yoshio Kunisawa, Yoshiaki Amano, Takahiro Hayashi

Proceedings of the 96th Vehicular Technology Conference, 2022

Learning-Based Path Loss Estimation Using Multiple Spatial Data and System Parameters.

Kazuya Inoue, Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 96th Vehicular Technology Conference, 2022

Classifying Situations for Collaboration among Medical Staff from Operating Room Videos.

Takahiro Hayashi, Koh Kakusho, Tadahiro Kitahashi, Takashi Matsumoto, Naoya Sugano

Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, 2022

A Study on Path Loss Modeling using ResNet and Pre-Training with Free Space Path Loss.

Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 2022 IEEE 33rd Annual International Symposium on Personal, 2022

Accurate Image Cutout Using Automatically Generated Trimaps.

Yuki Matsuura, Takahiro Hayashi

Proceedings of the 12th International Congress on Advanced Applied Informatics, 2022

2021

A method for Forecasting Available Spectrum Resources with Location-Dependent Error Margin for Dynamic Spectrum Access.

Tatsuya Nagao, Takahiro Hayashi, Yoshiaki Amano

Proceedings of the 94th IEEE Vehicular Technology Conference, 2021

A Study on the Prediction Method for Spatiotemporal Channel Parameters by Convolutional Neural Network using a Spherical Image.

Satoshi Ito, Takahiro Hayashi

Proceedings of the 32nd IEEE Annual International Symposium on Personal, 2021

On The Building Map for Radio Propagation Prediction Using Machine Learning.

Kazuya Inoue, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi

Proceedings of the 32nd IEEE Annual International Symposium on Personal, 2021

2020

Location Estimation Algorithm for Multiple Wave Sources Using Power Gravity Points.

Hiromi Matsuno, Yoshio Kunisawa, Takahiro Hayashi

Proceedings of the 23rd International Symposium on Wireless Personal Multimedia Communications, 2020

Fair Spectrum Allocation for Dynamic Spectrum Sharing between Different Radio Systems.

Akio Ikami, Takahiro Hayashi, Yoshiaki Amano

Proceedings of the 23rd International Symposium on Wireless Personal Multimedia Communications, 2020

Dynamic Channel Allocation Algorithm for Spectrum Sharing between Different Radio Systems.

Akio Ikami, Takahiro Hayashi, Yoshiaki Amano

Proceedings of the 31st IEEE Annual International Symposium on Personal, 2020

2019

Measurement and Modeling of Propagation Characteristics for an Indoor Environment in the 28 GHz-band.

Satoshi Ito, Takahiro Hayashi, Kosuke Yamazaki, Masahiko Nakao, Seiichiro Sakai, Yoko Kurosawa, Akira Matsunaga, Kyohiro Yoshida

Proceedings of the 30th IEEE Annual International Symposium on Personal, 2019

A Scoring Model of Figural Goodness and Its Application to Contour Completion Problems.

Takahiro Hayashi, Koji Abe

Proceedings of the IEEE International Symposium on Multimedia, 2019

2018

Similarity Retrieval of Trademark Images by Vector Graphics Based on Shape Characteristics of Components.

Koji Abe, Hiroyuki Morita, Takahiro Hayashi

Proceedings of the 2018 10th International Conference on Computer and Automation Engineering, 2018

2016

OtoPittan: A Music Recommendation System for Making Impressive Videos.

Takahiro Yoshida, Takahiro Hayashi

Proceedings of the IEEE International Symposium on Multimedia, 2016

Similarity Retrieval of 3D Models with Query by Clay Sketch.

Takahiro Hayashi, Masaru Hirose, Keisuke Suzuki, Koji Abe

Proceedings of the IEEE International Symposium on Multimedia, 2016

A Similarity Retrieval of Trademark Images Considering Similarity for Local Objects Using Vector Images.

Hiroyuki Morita, Koji Abe, Takahiro Hayashi

Proceedings of the 8th International Conference on Signal Processing Systems, 2016

Impression Estimation of a Video Based on the Valence-Arousal Model.

Takahiro Hayashi, Takahiro Yoshida

Proceedings of the International Conference on Multimedia Systems and Signal Processing, 2016

Interactive Object Extraction from a Video Based on Seed-Line Tracking.

Takahiro Hayashi, Yusuke Narita

Proceedings of the International Conference on Multimedia Systems and Signal Processing, 2016

2015

Development of an Effective Gaze Writing System with an Interface for Text Copy and Paste.

Reo Kishi, Takahiro Hayashi

Int. J. Networked Distributed Comput., 2015

Contour Completion of Partly Occluded Objects Based on Figural Goodness.

Takahiro Hayashi, Tatsuya Ooi, Motoki Sasaki

Int. J. Networked Distributed Comput., 2015

Stability Improvement of Indirect Matching for Music Information Retrieval.

Takahiro Hayashi, Nobuaki Ishii, Masato Ishimori, Koji Abe

Proceedings of the 2015 IEEE International Symposium on Multimedia, 2015

Improvement of Image and Video Matting with Multiple Reliability Maps.

Takahiro Hayashi, Masato Ishimori, Nobuaki Ishii, Koji Abe

Proceedings of the 2015 IEEE International Symposium on Multimedia, 2015

Effective gazewriting with support of text copy and paste.

Reo Kishi, Takahiro Hayashi

Proceedings of the 14th IEEE/ACIS International Conference on Computer and Information Science, 2015

Decomposition of partly occluded objects based on evaluation of figural goodness.

Takahiro Hayashi, Tatsuya Ooi, Motoki Sasaki

Proceedings of the 14th IEEE/ACIS International Conference on Computer and Information Science, 2015

2014

Similarity Retrieval of Vector Images with Indirect Matching.

Takahiro Hayashi, Akihiko Sato, Nobuaki Ishii

Int. J. Semantic Comput., 2014

Cell association method for multiband heterogeneous networks.

Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Shinobu Nanba, Takahiro Hayashi, Kei Sakaguchi, Satoshi Konishi

Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014

Contour Completion of Partly Occluded Skew-Symmetry Objects.

Takahiro Hayashi, Motoki Sasaki

Proceedings of the 2014 IEEE International Symposium on Multimedia, 2014

Utilization of NASA-TLX for Workload Evaluation of Gaze-Writing Systems.

Takahiro Hayashi, Reo Kishi

Proceedings of the 2014 IEEE International Symposium on Multimedia, 2014

Fast music information retrieval with indirect matching.

Takahiro Hayashi, Nobuaki Ishii, Masato Yamaguchi

Proceedings of the 22nd European Signal Processing Conference, 2014

On Estimating Causal Effects based on Supplemental Variables.

Takahiro Hayashi, Manabu Kuroki

Proceedings of the Seventeenth International Conference on Artificial Intelligence and Statistics, 2014

2013

High Resolution 2-D DOA Estimation by Low-Cost Antenna Array Based on Synthesized Covariance Matrix via Antenna Switching.

Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

Cuboid array: A novel 3-D array configuration for high resolution 2-D DOA estimation.

Hiroki Moriya, Yuki Doi, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano

Proceedings of the IEEE Workshop on Signal Processing Systems, 2013

Low-cost antenna array via antenna switching for high resolution 2-D DOA estimation.

Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano

Proceedings of the IEEE Workshop on Signal Processing Systems, 2013

Impression Estimation of Video and Application to Video Creation.

Kiyoshi Tokunaga, Takahiro Hayashi

Proceedings of the 2013 IEEE International Symposium on Multimedia, 2013

Fast Similarity Retrieval of Vector Images Using Representative Queries.

Takahiro Hayashi, Akihiko Sato

Proceedings of the 2013 IEEE International Symposium on Multimedia, 2013

Contour completion of partly occluded objects for more natural raster-vector conversion.

Takahiro Hayashi, Misato Kato

Proceedings of the IEEE International Conference on Image Processing, 2013

Extraction of non-rigid moving objects from a video with interactive image cutout and seed-line tracking.

Takahiro Hayashi, Yutaro Takei

Proceedings of the 2013 IEEE/ACIS 12th International Conference on Computer and Information Science, 2013

Collaborative filtering based spot recommendation seamlessly available in home and away areas.

Takafumi Hasegawa, Takahiro Hayashi

Proceedings of the 2013 IEEE/ACIS 12th International Conference on Computer and Information Science, 2013

2012

Improving Elevation Estimation Accuracy in DOA Estimation: How Planar Arrays Can Be Modified into 3-D Configuration.

Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012

A method for extracting grouping areas of good continuity parts in trademark images.

Brice Befane, Koji Abe, Takahiro Hayashi

Proceedings of the Image and Vision Computing New Zealand, 2012

2010

Fast and Accurate Template Matching with Silhouette Masking.

Takahiro Hayashi, Yuto Kadosaki

Proceedings of the 9th IEEE/ACIS International Conference on Computer and Information Science, 2010

2009

Discrimination of personal web pages by extracting subjective expressions.

Takahiro Hayashi, Koji Abe, Debabrata Roy, Rikio Onai

Int. J. Bus. Intell. Data Min., 2009

A New Minimally Supervised Learning Method for Semantic Term Classification - Experimental Results on Classifying Ratable Aspects Discussed in Customer Reviews.

Thao Pham Thanh Nguyen, Takahiro Hayashi, Rikio Onai, Yuhei Nishioka, Takamasa Takenaka, Masaya Mori

Proceedings of the ICDM Workshops 2009, 2009

2008

Retrieval of 2D vector images by matching Weighted Feature Points.

Takahiro Hayashi, Taisuya Kiyono, Koji Abe, Rikio Onai

Proceedings of the International Conference on Image Processing, 2008

Retrieval of Personal Web Documents by Extracting Subjective Expressions.

Takahiro Hayashi, Koji Abe, Rikio Onai

Proceedings of the 22nd International Conference on Advanced Information Networking and Applications, 2008

2007

Landscape Image Retrieval with Query by Sketch and Icon.

Takahiro Hayashi, Atsushi Ishikawa, Rikio Onai

J. Adv. Comput. Intell. Intell. Informatics, 2007

Estimation of essential objects in the sports ticker for segmenting a broadcasted baseball video into all the plate appearances.

Koji Abe, Kazuya Miyashita, Hideo Murakami, Takahiro Hayashi, Haiyan Tian

Proceedings of the Signal and Image Processing (SIP 2007), 2007

Vector Image Segmentation for Content-Based Vector Image Retrieval.

Takahiro Hayashi, Rikio Onai, Koji Abe

Proceedings of the Seventh International Conference on Computer and Information Technology (CIT 2007), 2007

2006

Figure-ground separation for vector graphics with contour detection.

Takahiro Hayashi, Kazuho Shibata, Rikio Onai, Koji Abe

Proceedings of the Tenth IASTED International Conference on Internet and Multimedia Systems and Applications (IMSA 2006), 2006

2004

Retrieval of Product Reputations from the WWW

Takahiro Hayashi, Yosuke Kinosita, Rikio Onai

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2004

1993

Force Feedback Glove for Manipulation of Virtual Objects.

Haruhisa Kawasaki, Takahiro Hayashi

J. Robotics Mechatronics, 1993