Hiroyuki Takahashi

Orcid: 0009-0005-1200-6535

According to our database1, Hiroyuki Takahashi authored at least 61 papers between 1989 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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On csauthors.net:

Bibliography

2024
Development of Unmanned Remote System to Find Radiation Sources Based on 4π Gamma Imaging.
J. Robotics Mechatronics, February, 2024

Respiratory motion forecasting with online learning of recurrent neural networks for safety enhancement in externally guided radiotherapy.
CoRR, 2024

24.3 A 236-to-266GHz 4-Element Amplifier-Last Phased-Array Transmitter in 65nm CMOS.
Proceedings of the IEEE International Solid-State Circuits Conference, 2024

3D Deep Learning-based Boundary Regression of an Age-related Retinal Biomarker in High Resolution OCT.
Proceedings of the Bildverarbeitung für die Medizin 2024, 2024

2023
Beyond 200-GBd QAM Signal Detection Based on Trellis-path-limited Sequence Estimation Supporting Soft-decision Forward Error Correction.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Unsupervised detection of Small Hyperreflective Features in Ultrahigh Resolution Optical Coherence Tomography.
Proceedings of the Bildverarbeitung für die Medizin 2023, 2023

Quad-Channel 100-GHz-Bandwidth InP- HBT-Based Linear Amplifier Module for High Symbol Rate Communications.
Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2023

A DC-to-150-GHz InP-DHBT Active Combiner Module for Ultra-Broadband Signal Generation.
Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2023

2022
Path-Planning System for Radioisotope Identification Devices Using 4π Gamma Imaging Based on Random Forest Analysis.
Sensors, 2022

Analysis of Asymmetry in Active Split-Ring Resonators to Design Circulating-Current Eigenmode: Demonstration of Beamsteering and Focal-Length Control toward Reconfigurable Intelligent Surface.
Sensors, 2022

Design of a Flat Panel Detector for the PET-Laparoscope System Using Simulations.
J. Medical Robotics Res., 2022

Prediction of the position of external markers using a recurrent neural network trained with unbiased online recurrent optimization for safe lung cancer radiotherapy.
Comput. Methods Programs Biomed., 2022

A double photon coincidence detection method for medical gamma-ray imaging.
Bio Algorithms Med Syst., 2022

Optimization of Detector Movement Algorithm Using Decision Trees Analysis for Radiation Source Identification Based on 4π Gamma Imaging.
Proceedings of the IEEE/SICE International Symposium on System Integration, 2022

110-GHz-Bandwidth InP-HBT AMUX/ADEMUX Circuits for Beyond-1-Tb/s/ch Digital Coherent Optical Transceivers.
Proceedings of the IEEE Custom Integrated Circuits Conference, 2022

A 220-294 GHz Power Amplifier with 10-dBm Psat and 2.2% PAE in 250-nm InP DHBT.
Proceedings of the 2022 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2022

A Design of InP-HBT 100-GHz Diode Linearizer Toward 6G.
Proceedings of the 27th Asia Pacific Conference on Communications, 2022

2021
Development and evaluation of a prototype detector for an intraoperative laparoscopic coincidence imaging system with PET tracers.
Int. J. Comput. Assist. Radiol. Surg., 2021

An Over 130-GHz-Bandwidth InP-DHBT Baseband Amplifier Module.
Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2021

2020
Gamma-ray Source Identification by a Vehicle-mounted 4π Compton Imager.
Proceedings of the 2020 IEEE/SICE International Symposium on System Integration, 2020

High-Speed and 16 λ-WDM Operation of Ge/Si Electro-Absorption Modulator for C-Band Spectral Regime.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

2019
Pathologist-Level Grading of Prostate Biopsies with Artificial Intelligence.
CoRR, 2019

Portable Compton Imaging System with Ce: GAGG Crystals and Dynamic Time-over-Threshold Method.
Proceedings of the IEEE/SICE International Symposium on System Integration, 2019

Receiver Characteristics of 4ch Transceiver Module with Si Photonics Integrated Chip Suitable for TWDM-PON ONU.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

Silicon waveguide polarization beam splitter using reversed Δβ coupler structure.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

Silicon waveguide polarization rotation Bragg grating using directional coupling.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

Si Photonics Butt-Coupled Waveguide Germanium Avalanche Photodiodes with Lateral SAM Structures.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

2017
Superconducting Transition Edge Sensor for Gamma-Ray Spectroscopy.
IEICE Trans. Electron., 2017

Directional Gamma-ray imaging for unmanned aerial monitoring system.
Proceedings of the IEEE/SICE International Symposium on System Integration, 2017

Clothing color of surrogate Bicyclist for Pre-Collision System evaluation.
Proceedings of the IEEE Intelligent Vehicles Symposium, 2017

Resonant Wavelength Variation Modelling for Microring Resonators based on Fabrication Deviation Analysis.
Proceedings of the European Conference on Optical Communication, 2017

2015
Forest biomass and volume estimation using airborne LiDAR in a cool-temperate forest of northern Hokkaido, Japan.
Ecol. Informatics, 2015

A learning system utilizing learners' active tracing behaviors.
Proceedings of the Fifth International Conference on Learning Analytics And Knowledge, 2015

2014
10-Gbit/s Bidirectional and 20-Gbit/s Unidirectional 2-ch Wireless Data Transmission System Using 120-GHz-Band Finline Orthomode Transducers.
IEICE Trans. Electron., 2014

A Finline Orthomode Transducer for 120-GHz-Band Wireless Links.
IEICE Trans. Electron., 2014

120-GHz-Band Amplifier Module with Hermetic Sealing Structure for 10-Gbit/s Wireless System.
IEICE Trans. Electron., 2014

10-Gbit/s close-proximity wireless system meeting the regulation for extremely low-power radio stations.
IEICE Electron. Express, 2014

Demonstration of over 1000-channel hybrid integrated light source for ultra-high bandwidth interchip optical interconnection.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014



2013
Evaluation of Interference between Parallel 120-GHz-Band Wireless Link Systems with High-Gain Cassegrain Antennas.
IEICE Trans. Electron., 2013

Broadband InP MMICs for 120 GHz wireless data communications.
Proceedings of the 2013 IEEE Radio and Wireless Symposium, 2013

An Extreme Learning Machine-based pedestrian detection method.
Proceedings of the 2013 IEEE Intelligent Vehicles Symposium (IV), 2013

Pilot study on pedestrian step frequency in naturalistic driving environment.
Proceedings of the 2013 IEEE Intelligent Vehicles Symposium (IV), 2013

A new approach of visual clutter analysis for pedestrian detection.
Proceedings of the 16th International IEEE Conference on Intelligent Transportation Systems, 2013

Human Centered Design of a Pre-collision System.
Proceedings of the Digital Human Modeling and Applications in Health, Safety, Ergonomics, and Risk Management. Healthcare and Safety of the Environment and Transport, 2013

EGS5 simulations to design a Ce: GAGG scintillator based Compton camera.
Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Measurement of radioactivity concentration in blood by using newly developed ToT LuAG-APD based small animal PET tomograph.
Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

2012
A Novel Fast Mobile IPv6 Handover Scheme Using Dual Bands in Road-to-Vehicle Communications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012

10-Gbit/s Bi-directional wireless data transmission system using 120-GHz-band ortho-mode transducers.
Proceedings of the 2012 IEEE Radio and Wireless Symposium, 2012

Enhancing location privacy in Mobile IPv6 by using redundant home agents.
Proceedings of the Tenth Annual IEEE International Conference on Pervasive Computing and Communications, 2012

Automatic categorization-based multi-stage pedestrian detection.
Proceedings of the 15th International IEEE Conference on Intelligent Transportation Systems, 2012

2009
A 125-GHz 140-mW InGaAs/InP composite-channel HEMT MMIC power amplifier module.
IEICE Electron. Express, 2009

2007
Improvements in the AIST Cryogenic Radiometer With Superconducting Thermometer.
IEEE Trans. Instrum. Meas., 2007

2005
Over-10-dBm output uni-traveling-carrier photodiode module integrating a power amplifier for wireless transmissions in the 125-GHz band.
IEICE Electron. Express, 2005

2004
Development of a waveform sampling front-end ASIC for PET.
Proceedings of the 2004 Conference on Asia South Pacific Design Automation: Electronic Design and Solution Fair 2004, 2004

2001
The Use of Genetic Algorithms for the Improvement of Energy Characteristics of CdZnTe Semiconductor Detectors.
Genet. Program. Evolvable Mach., 2001

2000
A 16-Mb 400-MHz loadless CMOS four-transistor SRAM macro.
IEEE J. Solid State Circuits, 2000

1998
Development of Thick Wall Welding and Cutting Tools for ITER.
J. Robotics Mechatronics, 1998

1990
Visual navigation of autonomous on-road vehicle.
Proceedings of the IEEE International Workshop on Intelligent Robots and Systems '90, 1990

1989
Obstacle Avoidance of a Mobile Robot with Multiple Sensors.
Proceedings of the IEEE International Workshop on Intelligent Robots and Systems '89, 1989


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