Akimasa Hirata

68 papers B 1Journal 65Unranked 2

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Classification of Mixed Cataract Subtypes by an Adaptive Radial Feature Extraction Framework From Retroillumination Images. IEEE Access Yoshiki Kubota, Akimasa Hirata, Hidekata Hontani, Natsuko Hatsusaka, Makoto Sasaki, Hiroshi Sasaki
2026	J	`jnl`	Group-level and personalized optimization for the insula and hippocampus focal electric field in transcranial temporal interferential stimulation: A computational study. Comput. Biol. Medicine Taiga Inoue, Naofumi Otsuru, Akimasa Hirata
2025	J	`jnl`	SHARM: Segmented Head Anatomical Reference Models. Biomed. Signal Process. Control. Essam A. Rashed, Mohammad al-Shatouri, Ilkka Laakso, Sachiko Kodera, Akimasa Hirata
2024	J	`jnl`	A novel multivariate time series forecasting dendritic neuron model for COVID-19 pandemic transmission tendency. Neural Networks Cheng Tang, Yuki Todo, Sachiko Kodera, Rong Sun, Atsushi Shimada, Akimasa Hirata
2024	J	`jnl`	Dendritic Neural Network: A Novel Extension of Dendritic Neuron Model. IEEE Trans. Emerg. Top. Comput. Intell. Cheng Tang, Junkai Ji, Yuki Todo, Atsushi Shimada, Weiping Ding, Akimasa Hirata
2024	J	`jnl`	Effect of the Conductivity Variations on Computed Electric Field Induced in Learning-Based Models. IEEE Access Yinliang Diao, Essam A. Rashed, Luca Giaccone, Ilkka Laakso, Congsheng Li, Riccardo Scorretti, Akimasa Hirata
2024	J	`jnl`	Electric field envelope focality in superficial brain areas with linear alignment montage in temporal interference stimulation. Comput. Biol. Medicine Akimasa Hirata, Yusuke Akazawa, Sachiko Kodera, Naofumi Otsuru, Ilkka Laakso
2024	J	`jnl`	Spatially Averaged Epithelial/Absorbed Power Density for Nonplanar Skin Models Exposed to Antenna at 10-90 GHz. IEEE Access Kun Li, Sachiko Kodera, Dragan Poljak, Yinliang Diao, Kensuke Sasaki, Shuai Zhang, Ming Yao, Ante Lojic Kapetanovic, Congsheng Li, Tongning Wu, Thorsten Liebig, Winfried Simon, Akimasa Hirata
2023	J	`jnl`	Calculated Epithelial/Absorbed Power Density for Exposure From Antennas at 10-90 GHz: Intercomparison Study Using a Planar Skin Model. IEEE Access Kun Li, Sachiko Kodera, Dragan Poljak, Yinliang Diao, Kensuke Sasaki, Anna Susnjara, Alexander Prokop, Kenji Taguchi, Jingtian Xi, Shuai Zhang, Ming Yao, Giulia Sacco, Maxim Zhadobov, Walid El Hajj, Akimasa Hirata
2023	J	`jnl`	Calculation of Electric Field Induced in the Human Body for Simultaneous Exposure to Spatially Uniform ELF Electric and Magnetic Fields With a Phase Difference. IEEE Access Yoichi Sekiba, Sachiko Kodera, Kenichi Yamazaki, Akimasa Hirata
2023	J	`jnl`	Intercomparison of the Averaged Induced Electric Field in Learning-Based Human Head Models Exposed to Low-Frequency Magnetic Fields. IEEE Access Yinliang Diao, Essam A. Rashed, Luca Giaccone, Ilkka Laakso, Congsheng Li, Riccardo Scorretti, Yoichi Sekiba, Kenichi Yamazaki, Akimasa Hirata
2023	J	`jnl`	Multiagent Copilot Approach for Shared Autonomy between Human EEG and TD3 Deep Reinforcement Learning. CoRR Chun-Ren Phang, Akimasa Hirata
2023	J	`jnl`	SHARM: Segmented Head Anatomical Reference Models. CoRR Essam A. Rashed, Mohammad al-Shatouri, Ilkka Laakso, Akimasa Hirata
2023	J	`jnl`	Wireless Power Transfer Systems With Composite Cores for Magnetic Field Shielding With Electric Vehicles. IEEE Access Xianyi Duan, Junqing Lan, Sachiko Kodera, Jens Kirchner, Georg Fischer, Akimasa Hirata
2022	J	`jnl`	COVID-19 Status Forecasting Using New Viral variants and Vaccination Effectiveness Models. CoRR Essam A. Rashed, Sachiko Kodera, Akimasa Hirata
2022	J	`jnl`	COVID-19 forecasting using new viral variants and vaccination effectiveness models. Comput. Biol. Medicine Essam A. Rashed, Sachiko Kodera, Akimasa Hirata
2022	J	`jnl`	Computed and Measured Core Temperature of Patients With Heatstroke Transported From Their Homes via Ambulance. IEEE Access Akito Takada, Sachiko Kodera, Hiroyoshi Togo, Masashi Shimizu, Hideyuki Niwa, Takayuki Ishikura, Hideto Tanaka, Takashi Kawahara, Akimasa Hirata
2022	J	`jnl`	Did the Tokyo Olympic Games enhance the transmission of COVID-19? An interpretation with machine learning. Comput. Biol. Medicine Akimasa Hirata, Sachiko Kodera, Yinliang Diao, Essam A. Rashed
2021	J	`jnl`	Assessment of mmWave Exposure From Antenna Based on Transformation of Spherical Wave Expansion to Plane Wave Expansion. IEEE Access Yinliang Diao, Akimasa Hirata
2021	J	`jnl`	Body Core Temperature Estimation Using New Compartment Model With Vital Data From Wearable Devices. IEEE Access Akimasa Hirata, Taiki Miyazawa, Ryota Uematsu, Sachiko Kodera, Yuki Hashimoto, Kazuhiko Takagahara, Yuichi Higuchi, Hiroyoshi Togo, Takashi Kawahara, Hideto Tanaka
2021	J	`jnl`	ECG Localization Method Based on Volume Conductor Model and Kalman Filtering. Sensors Yuki Nakano, Essam A. Rashed, Tatsuhito Nakane, Ilkka Laakso, Akimasa Hirata
2021	J	`jnl`	Intercomparison of Calculated Incident Power Density and Temperature Rise for Exposure From Different Antennas at 10-90 GHz. IEEE Access Kun Li, Yinliang Diao, Kensuke Sasaki, Alexander Prokop, Dragan Poljak, Vicko Doric, Jingtian Xi, Sachiko Kodera, Akimasa Hirata, Walid El Hajj
2021	J	`jnl`	Knowledge discovery from emergency ambulance dispatch during COVID-19: A case study of Nagoya City, Japan. CoRR Essam A. Rashed, Sachiko Kodera, Hidenobu Shirakami, Ryotetsu Kawaguchi, Kazuhiro Watanabe, Akimasa Hirata
2021	J	`jnl`	Knowledge discovery from emergency ambulance dispatch during COVID-19: A case study of Nagoya City, Japan. J. Biomed. Informatics Essam A. Rashed, Sachiko Kodera, Hidenobu Shirakami, Ryotetsu Kawaguchi, Kazuhiro Watanabe, Akimasa Hirata
2021	J	`jnl`	Power Absorption and Skin Temperature Rise From Simultaneous Near-Field Exposure at 2 and 28 GHz. IEEE Access Norika Miura, Sachiko Kodera, Yinliang Diao, Junji Higashiyama, Yasunori Suzuki, Akimasa Hirata
2020	J	`jnl`	Correlation Between Estimated Thermoregulatory Responses and Pacing in Athletes During Marathon. IEEE Access Sachiko Kodera, Toshiki Kamiya, Taiki Miyazawa, Akimasa Hirata
2020	J	`jnl`	Correlation between COVID-19 morbidity and mortality rates in Japan and local population density, temperature and absolute humidity. CoRR Sachiko Kodera, Essam A. Rashed, Akimasa Hirata
2020	J	`jnl`	Deep Learning-Based Development of Personalized Human Head Model With Non-Uniform Conductivity for Brain Stimulation. IEEE Trans. Medical Imaging Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2020	J	`jnl`	Development of accurate human head models for personalized electromagnetic dosimetry using deep learning. CoRR Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2020	J	`jnl`	End-to-end semantic segmentation of personalized deep brain structures for non-invasive brain stimulation. CoRR Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2020	J	`jnl`	End-to-end semantic segmentation of personalized deep brain structures for non-invasive brain stimulation. Neural Networks Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2020	J	`jnl`	Evaluation of SAR and Temperature Rise in Human Hand Due to Contact Current From 100 kHz to 100 MHz. IEEE Access Taiki Murakawa, Yinliang Diao, Essam A. Rashed, Sachiko Kodera, Yoshihiro Tanaka, Yoshitsugu Kamimura, Shin Kitamura, Shintaro Uehara, Yohei Otaka, Akimasa Hirata
2020	J	`jnl`	Influence of Absolute Humidity and Population Density on COVID-19 Spread and Decay Durations: Multi-prefecture Study in Japan. CoRR Akimasa Hirata, Sachiko Kodera, José Gómez-Tames, Essam A. Rashed
2020	J	`jnl`	Influence of segmentation accuracy in structural MR head scans on electric field computation for TMS and tES. CoRR Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2020	J	`jnl`	Large-Scale Analysis of the Head Proximity Effects on Antenna Performance Using Machine Learning Based Models. IEEE Access Yinliang Diao, Essam A. Rashed, Akimasa Hirata
2020	J	`jnl`	Model-based approach for analyzing prevalence of nuclear cataracts in elderly residents. Comput. Biol. Medicine Sachiko Kodera, Akimasa Hirata, Fumiaki Miura, Essam A. Rashed, Natsuko Hatsusaka, Naoki Yamamoto, Eri Kubo, Hiroshi Sasaki
2020	J	`jnl`	Model-based approach for analyzing prevalence of nuclear cataracts in elderly residents. CoRR Sachiko Kodera, Akimasa Hirata, Fumiaki Miura, Essam A. Rashed, Natsuko Hatsusaka, Naoki Yamamoto, Eri Kubo, Hiroshi Sasaki
2020	J	`jnl`	Skin Temperature Elevation for Incident Power Densities From Dipole Arrays at 28 Ghz. IEEE Access Takuma Nakae, Daisuke Funahashi, Junji Higashiyama, Teruo Onishi, Akimasa Hirata
2020	J	`jnl`	Transient Thermal Responses of Skin to Pulsed Millimeter Waves. IEEE Access Kenneth R. Foster, Marvin C. Ziskin, Quirino Balzano, Akimasa Hirata
2019	J	`jnl`	Corticomotoneuronal Model for Intraoperative Neurophysiological Monitoring During Direct Brain Stimulation. Int. J. Neural Syst. José Gómez-Tames, Akimasa Hirata, Manabu Tamura, Yoshihiro Muragaki
2019	J	`jnl`	Development of accurate human head models for personalized electromagnetic dosimetry using deep learning. NeuroImage Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2019	J	`jnl`	Forward Electrocardiogram Modeling by Small Dipoles Based on Whole-Body Electric Field Analysis. IEEE Access Tatsuhito Nakane, Takahiro Ito, Nobuaki Matsuura, Hiroyoshi Togo, Akimasa Hirata
2019	B	`conf`	Generation of Head Models for Brain Stimulation Using Deep Convolution Networks. ICIP Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2019	J	`jnl`	Human Head Skin Thickness Modeling for Electromagnetic Dosimetry. IEEE Access Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2019	J	`jnl`	Learning-based estimation of dielectric properties and tissue density in head models for personalized radio-frequency dosimetry. CoRR Essam A. Rashed, Yinliang Diao, Akimasa Hirata
2019	J	`jnl`	Non-Uniform Conductivity Estimation for Personalized Brain Stimulation using Deep Learning. CoRR Essam A. Rashed, José Gómez-Tames, Akimasa Hirata
2019	J	`jnl`	Setting exposure guidelines and product safety standards for radio-frequency exposure at frequencies above 6 GHz: brief review. Ann. des Télécommunications Akimasa Hirata, Daisuke Funahashi, Sachiko Kodera
2019	J	`jnl`	Spatial Averaging Schemes of In Situ Electric Field for Low-Frequency Magnetic Field Exposures. IEEE Access Yinliang Diao, José Gómez-Tames, Essam A. Rashed, Robert Kavet, Akimasa Hirata
2019	J	`jnl`	Synopsis of IEEE Std C95.1™-2019 "IEEE Standard for Safety Levels With Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 Hz to 300 GHz". IEEE Access William H. Bailey, Tim Harrington, Akimasa Hirata, Robert Kavet, Jafar Keshvari, Bertram Jon Klauenberg, Alexandre Legros, David P. Maxson, John M. Osepchuk, J. Patrick Reilly, Richard R. I. C. A. Tell, Ralf Bodemann, Artnarong Thansandote, Kenichi Yamazaki, Marvin C. Ziskin, Peter M. Zollman, Jerrold Bushberg, Chung-Kwang Chou, Robert Cleveland, Antonio Faraone, Kenneth R. Foster, Kenneth E. Gettman, Kevin Graf
2018	J	`jnl`	A high-resolution computational localization method for transcranial magnetic stimulation mapping. NeuroImage Shinta Aonuma, José Gómez-Tames, Ilkka Laakso, Akimasa Hirata, Tomokazu Takakura, Manabu Tamura, Yoshihiro Muragaki
2018	J	`jnl`	Area-Averaged Transmitted Power Density at Skin Surface as Metric to Estimate Surface Temperature Elevation. IEEE Access Daisuke Funahashi, Akimasa Hirata, Sachiko Kodera, Kenneth R. Foster
2018	J	`jnl`	Averaging Area of Incident Power Density for Human Exposure from Patch Antenna Arrays. IEICE Trans. Electron. Daisuke Funahashi, Takahiro Ito, Akimasa Hirata, Takahiro Iyama, Teruo Onishi
2018	J	`jnl`	Intercomparison of In Situ Electric Fields in Human Models Exposed to Spatially Uniform Magnetic Fields. IEEE Access Katsuaki Aga, Akimasa Hirata, Ilkka Laakso, Hiroo Tarao, Yinliang Diao, Takahiro Ito, Yoichi Sekiba, Kenichi Yamazaki
2018	J	`jnl`	Relationship of External Field Strength With Local and Whole-Body Averaged Specific Absorption Rates in Anatomical Human Models. IEEE Access Kenji Taguchi, Ilkka Laakso, Katsuaki Aga, Akimasa Hirata, Yinliang Diao, Jerdvisanop Chakarothai, Tatsuya Kashiwa
2018	J	`jnl`	Risk Management of Heatstroke Based on Fast Computation of Temperature and Water Loss Using Weather Data for Exposure to Ambient Heat and Solar Radiation. IEEE Access Kazuya Kojima, Akimasa Hirata, Kazuma Hasegawa, Sachiko Kodera, Ilkka Laakso, Daisuke Sasaki, Takeshi Yamashita, Ryusuke Egawa, Yuka Horie, Nanako Yazaki, Saeri Kowata, Kenji Taguchi, Tatsuya Kashiwa
2018	J	`jnl`	Temperature Rise for Brief Radio-Frequency Exposure Below 6 GHz. IEEE Access Sachiko Kodera, Akimasa Hirata, Daisuke Funahashi, Soichi Watanabe, Kari Jokela, Rodney J. Croft
2018	J	`jnl`	Thermal Analysis of Averaging Times in Radio-Frequency Exposure Limits Above 1 GHz. IEEE Access Kenneth R. Foster, Marvin C. Ziskin, Quirino Balzano, Akimasa Hirata
2016	J	`jnl`	Electric fields of motor and frontal tDCS in a standard brain space: A computer simulation study. NeuroImage Ilkka Laakso, Satoshi Tanaka, Marko Mikkonen, Soichiro Koyama, Norihiro Sadato, Akimasa Hirata
2015	J	`jnl`	Magnetic Field Measurement for Human Exposure Assessment near Wireless Power Transfer Systems in Kilohertz and Megahertz Bands. IEICE Trans. Commun. Satoshi Ishihara, Teruo Onishi, Akimasa Hirata
2015	J	`jnl`	Quasistatic Approximation for Exposure Assessment of Wireless Power Transfer. IEICE Trans. Commun. Ilkka Laakso, Takuya Shimamoto, Akimasa Hirata, Mauro Feliziani
2013	—	`conf`	Computation of temperature elevation in fetus due to radio-frequency exposure with a new thermal modeling. EMBC Akimasa Hirata, Yuri Ishii, Tomoki Nomura, Ilkka Laakso
2011	—	`conf`	A numerical analysis of temperature elevation in a rabbit ocular with localized and uniformed exposure conditions at 60 GHz. ISABEL Kensuke Sasaki, Masami Kojima, Kanako Wake, Soichi Watanabe, Yukihisa Suzuki, Akimasa Hirata
2010	J	`jnl`	Acute Dosimetry and Estimation of Threshold-Inducing Behavioral Signs of Thermal Stress in Rabbits at 2.45-GHz Microwave Exposure. IEEE Trans. Biomed. Eng. Akimasa Hirata, Masami Kojima, Hiroki Kawai, Yoko Yamashiro, Soichi Watanabe, Kazuyuki Sasaki, Osamu Fujiwara
2010	J	`jnl`	Evaluation of SAR and Temperature Elevation Using Japanese Anatomical Human Models for Body-Worn Devices. IEICE Trans. Commun. Teruo Onishi, Takahiro Iyama, Lira Hamada, Soichi Watanabe, Akimasa Hirata
2010	J	`jnl`	Quasi-Static FDTD Method for Dosimetry in Human due to Contact Current. IEICE Trans. Electron. Akimasa Hirata, Yukinori Takano, Toshihiro Nagai
2007	J	`jnl`	Improved Heat Transfer Modeling of the Eye for Electromagnetic Wave Exposures. IEEE Trans. Biomed. Eng. Akimasa Hirata
2006	J	`jnl`	Correlation Between Peak Spatial-Average SAR and Temperature Increase Due to Antennas Attached to Human Trunk. IEEE Trans. Biomed. Eng. Akimasa Hirata, Osamu Fujiwara, Toshiyuki Shiozawa
2001	J	`jnl`	Dosimetry in models of child and adult for low-frequency electric field. IEEE Trans. Biomed. Eng. Akimasa Hirata, Krzysztof Caputa, Trevor W. Dawson, Maria A. Stuchly