Takahiro Hayashi

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 40

Top Topics

Trademark Images

Contour Completion

Vector Graphics

Top Venues

Publications

Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano
RF Chain-Wise Clustering Schemes for Millimeter Wave Cell-Free Massive MIMO With Centralized Hybrid Beamforming. IEEE Access 12 (2024)
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
Sub-THz Multi-beam Antennas for Virtualized Terminal Technology. EuCNC/6G Summit (2024)
Hiromi Matsuno, Takuya Ohto, Takahiro Hayashi, Mitsutaka Okita, Daiichi Suzuki, Kazuki Matsunaga, Shinichiro Oka
Wide Beamwidth and High Gain Reflection Pattern Design Method for Intelligent Reflecting Surface. WCNC (2023)
Masaki Ichino, Naoyuki Masuda, Takahiro Hayashi, Naoki Kodama, Takamichi Saito
Device Classification via Passive Fingerprints with Clustering Algorithm. BWCCA (2023)
Rento Hagiwara, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi
Feature Extraction Using Hough Transform in Radio Propagation Estimation. VTC Fall (2023)
Takuya Ohto, Hiromi Matsuno, Takahiro Hayashi, Mitsutaka Okita, Daiichi Suzuki, Kazuki Matsunaga, Shinichiro Oka
Element Failure Correction for Reconfigurable Meta-surface Reflectors. VTC Fall (2023)
Yusuke Maeda, Takahiro Hayashi
Scene Classification in FPS Game Videos Based on Acoustic Information. CoG (2023)
Kazuki Takezawa, Satoshi Ito, Takahiro Hayashi
Estimation Method for Human Blockage Loss in the 300 GHz Band. VTC Fall (2023)
Tomofumi Kanno, Takuya Ohto, Hiromi Matsuno, Tatsuya Nagao, Takahiro Hayashi
TOA-Based Positioning Scheme for IRS-Assisted 5G Milimeter Wave Networks. VTC Fall (2023)
Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi
Low-Cost Learning-Based Path Loss Estimation Using Correlation Graph CNN. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106 (8) (2023)
Hiromi Matsuno, Takuya Ohto, Tomofumi Kanno, Takahiro Hayashi
Practical Evaluation Method of Large Size IRS: Synthesis of Reflection Pattern of Sub-IRS. IEEE Access 11 (2023)
Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi
Low-Cost Path Loss Estimation Using Correlation Graph CNN with Novel Feature Parameters. VTC2023-Spring (2023)
Tatsuya Nagao, Takahiro Hayashi
RNN-Based Path Loss Modeling with Variable-Size Map Data in Urban Environments. VTC2023-Spring (2023)
Satoshi Ito, Kazuki Takezawa, Takahiro Hayashi
Measurement-based Evaluation of Path Loss and Propagation Mechanisms in the 300 GHz band. VTC Fall (2023)
Yuki Matsuura, Takahiro Hayashi
AniCropify: Image Matting for Anime-Style Illustration. MMAsia (2023)
Tatsuya Nagao, Takahiro Hayashi
Millimeter Wave Path Loss Modeling using Multi-Resolution Map Based on ResNet. VTC Fall (2023)
Hiromi Matsuno, Takuya Ohto, Takahiro Hayashi, Yoshiaki Amano, Mitsutaka Okita, Daiichi Suzuki, Kazuki Matsunaga, Shinichiro Oka
Development of a Dual-Polarized Direction-Variable Liquid-Crystal Meta-Surface Reflector for Intelligent Reflecting Surface. IEEE Access 11 (2023)
Kazuki Takezawa, Tatsuya Nagao, Takahiro Hayashi
A Study on Radio Propagation Characteristics at 100 GHz between the User Equipment and a Wearable Device. VTC Fall (2022)
Yuki Matsuura, Takahiro Hayashi
Accurate Image Cutout Using Automatically Generated Trimaps. IIAI-AAI (2022)
Yoshio Kunisawa, Yoshiaki Amano, Takahiro Hayashi
Virtualized terminal utilizing terahertz band radio waves for Beyond 5G: Timing Synchronization Scheme of Relay Device. VTC Fall (2022)
Takahiro Hayashi, Koh Kakusho, Tadahiro Kitahashi, Takashi Matsumoto, Naoya Sugano
Classifying Situations for Collaboration among Medical Staff from Operating Room Videos. SMC (2022)
Kazuya Inoue, Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi
Learning-Based Path Loss Estimation Using Multiple Spatial Data and System Parameters. VTC Fall (2022)
Hiromi Matsuno, Tatsuya Nagao, Takuya Ohto, Takahiro Hayashi, Michihiro Harada
Practical Evaluation Method for Large IRS: RCS Pattern Synthesis of Sub-IRS with Mutual Coupling. VTC Fall (2022)
Tatsuya Nagao, Takahiro Hayashi
A Study on Path Loss Modeling using ResNet and Pre-Training with Free Space Path Loss. PIMRC (2022)
Satoshi Ito, Takahiro Hayashi
Measurement and Evaluation of 28 GHz Propagation Characteristics in Specific Environments. IEEE Access 10 (2022)
Tatsuya Nagao, Takahiro Hayashi
Fine-Tuning for Propagation Modeling of Different Frequencies with Few Data. VTC Fall (2022)
Kazuya Inoue, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi
On The Building Map for Radio Propagation Prediction Using Machine Learning. PIMRC (2021)
Satoshi Ito, Takahiro Hayashi
A Study on the Prediction Method for Spatiotemporal Channel Parameters by Convolutional Neural Network using a Spherical Image. PIMRC (2021)
Tatsuya Nagao, Takahiro Hayashi, Yoshiaki Amano
A method for Forecasting Available Spectrum Resources with Location-Dependent Error Margin for Dynamic Spectrum Access. VTC Fall (2021)
Hiromi Matsuno, Yoshio Kunisawa, Takahiro Hayashi
Location Estimation Algorithm for Multiple Wave Sources Using Power Gravity Points. WPMC (2020)
Akio Ikami, Takahiro Hayashi, Yoshiaki Amano
Fair Spectrum Allocation for Dynamic Spectrum Sharing between Different Radio Systems. WPMC (2020)
Akio Ikami, Takahiro Hayashi, Yoshiaki Amano
Dynamic Channel Allocation Algorithm for Spectrum Sharing between Different Radio Systems. PIMRC (2020)
Satoshi Ito, Takahiro Hayashi, Kosuke Yamazaki, Masahiko Nakao, Seiichiro Sakai, Yoko Kurosawa, Akira Matsunaga, Kyohiro Yoshida
Measurement and Modeling of Propagation Characteristics for an Indoor Environment in the 28 GHz-band. PIMRC (2019)
Takahiro Hayashi, Koji Abe
A Scoring Model of Figural Goodness and Its Application to Contour Completion Problems. ISM (2019)
Koji Abe, Hiroyuki Morita, Takahiro Hayashi
Similarity Retrieval of Trademark Images by Vector Graphics Based on Shape Characteristics of Components. ICCAE (2018)
Takahiro Hayashi, Masaru Hirose, Keisuke Suzuki, Koji Abe
Similarity Retrieval of 3D Models with Query by Clay Sketch. ISM (2016)
Takahiro Hayashi, Takahiro Yoshida
Impression Estimation of a Video Based on the Valence-Arousal Model. ICMSSP (2016)
Takahiro Hayashi, Yusuke Narita
Interactive Object Extraction from a Video Based on Seed-Line Tracking. ICMSSP (2016)
Takahiro Yoshida, Takahiro Hayashi
OtoPittan: A Music Recommendation System for Making Impressive Videos. ISM (2016)
Hiroyuki Morita, Koji Abe, Takahiro Hayashi
A Similarity Retrieval of Trademark Images Considering Similarity for Local Objects Using Vector Images. ICSPS (2016)
Takahiro Hayashi, Nobuaki Ishii, Masato Ishimori, Koji Abe
Stability Improvement of Indirect Matching for Music Information Retrieval. ISM (2015)
Reo Kishi, Takahiro Hayashi
Development of an Effective Gaze Writing System with an Interface for Text Copy and Paste. Int. J. Networked Distributed Comput. 3 (3) (2015)
Takahiro Hayashi, Masato Ishimori, Nobuaki Ishii, Koji Abe
Improvement of Image and Video Matting with Multiple Reliability Maps. ISM (2015)
Takahiro Hayashi, Tatsuya Ooi, Motoki Sasaki
Contour Completion of Partly Occluded Objects Based on Figural Goodness. Int. J. Networked Distributed Comput. 3 (3) (2015)
Reo Kishi, Takahiro Hayashi
Effective gazewriting with support of text copy and paste. ICIS (2015)
Takahiro Hayashi, Tatsuya Ooi, Motoki Sasaki
Decomposition of partly occluded objects based on evaluation of figural goodness. ICIS (2015)
Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Shinobu Nanba, Takahiro Hayashi, Kei Sakaguchi, Satoshi Konishi
Cell association method for multiband heterogeneous networks. PIMRC (2014)
Takahiro Hayashi, Nobuaki Ishii, Masato Yamaguchi
Fast music information retrieval with indirect matching. EUSIPCO (2014)
Takahiro Hayashi, Akihiko Sato, Nobuaki Ishii
Similarity Retrieval of Vector Images with Indirect Matching. Int. J. Semantic Comput. 8 (2) (2014)
Takahiro Hayashi, Reo Kishi
Utilization of NASA-TLX for Workload Evaluation of Gaze-Writing Systems. ISM (2014)
Takahiro Hayashi, Manabu Kuroki
On Estimating Causal Effects based on Supplemental Variables. AISTATS (2014)
Takahiro Hayashi, Motoki Sasaki
Contour Completion of Partly Occluded Skew-Symmetry Objects. ISM (2014)
Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano
Low-cost antenna array via antenna switching for high resolution 2-D DOA estimation. SiPS (2013)
Hiroki Moriya, Yuki Doi, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano
Cuboid array: A novel 3-D array configuration for high resolution 2-D DOA estimation. SiPS (2013)
Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano
High Resolution 2-D DOA Estimation by Low-Cost Antenna Array Based on Synthesized Covariance Matrix via Antenna Switching. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2013)
Takafumi Hasegawa, Takahiro Hayashi
Collaborative filtering based spot recommendation seamlessly available in home and away areas. ICIS (2013)
Takahiro Hayashi, Yutaro Takei
Extraction of non-rigid moving objects from a video with interactive image cutout and seed-line tracking. ICIS (2013)
Kiyoshi Tokunaga, Takahiro Hayashi
Impression Estimation of Video and Application to Video Creation. ISM (2013)
Takahiro Hayashi, Akihiko Sato
Fast Similarity Retrieval of Vector Images Using Representative Queries. ISM (2013)
Takahiro Hayashi, Misato Kato
Contour completion of partly occluded objects for more natural raster-vector conversion. ICIP (2013)
Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano
Improving Elevation Estimation Accuracy in DOA Estimation: How Planar Arrays Can Be Modified into 3-D Configuration. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2012)
Brice Befane, Koji Abe, Takahiro Hayashi
A method for extracting grouping areas of good continuity parts in trademark images. IVCNZ (2012)
Takahiro Hayashi, Yuto Kadosaki
Fast and Accurate Template Matching with Silhouette Masking. ACIS-ICIS (2010)
Takahiro Hayashi, Koji Abe, Debabrata Roy, Rikio Onai
Discrimination of personal web pages by extracting subjective expressions. Int. J. Bus. Intell. Data Min. 4 (1) (2009)
Thao Pham Thanh Nguyen, Takahiro Hayashi, Rikio Onai, Yuhei Nishioka, Takamasa Takenaka, Masaya Mori
A New Minimally Supervised Learning Method for Semantic Term Classification - Experimental Results on Classifying Ratable Aspects Discussed in Customer Reviews. ICDM Workshops (2009)
Takahiro Hayashi, Koji Abe, Rikio Onai
Retrieval of Personal Web Documents by Extracting Subjective Expressions. AINA Workshops (2008)
Takahiro Hayashi, Taisuya Kiyono, Koji Abe, Rikio Onai
Retrieval of 2D vector images by matching Weighted Feature Points. ICIP (2008)
Takahiro Hayashi, Atsushi Ishikawa, Rikio Onai
Landscape Image Retrieval with Query by Sketch and Icon. J. Adv. Comput. Intell. Intell. Informatics 11 (1) (2007)
Takahiro Hayashi, Rikio Onai, Koji Abe
Vector Image Segmentation for Content-Based Vector Image Retrieval. CIT (2007)
Koji Abe, Kazuya Miyashita, Hideo Murakami, Takahiro Hayashi, Haiyan Tian
Estimation of essential objects in the sports ticker for segmenting a broadcasted baseball video into all the plate appearances. SIP (2007)
Takahiro Hayashi, Kazuho Shibata, Rikio Onai, Koji Abe
Figure-ground separation for vector graphics with contour detection. IMSA (2006)
Takahiro Hayashi, Yosuke Kinosita, Rikio Onai
Retrieval of Product Reputations from the WWW KES (2004)
Haruhisa Kawasaki, Takahiro Hayashi
Force Feedback Glove for Manipulation of Virtual Objects. J. Robotics Mechatronics 5 (1) (1993)