Koichi Ogawa
Orcid: 0000-0002-7137-9447
According to our database1,
Koichi Ogawa
authored at least 52 papers
between 1986 and 2023.
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Bibliography
2023
Analysis of Activity Logs of GakuNin LMS in the Use of the Information Security Course at Gunma University.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 27th International Conference KES-2023, 2023
2021
Quantitative evaluation of deep convolutional neural network-based image denoising for low-dose computed tomography.
Vis. Comput. Ind. Biomed. Art, 2021
2018
A Waffle-Iron Ridge Guide with Combined Fast- and Slow-Wave Modes for Array Antenna Applications.
IEICE Trans. Commun., 2018
2017
Wavelength Analysis Using Equivalent Circuits in a Fast and Slow Wave Waffle-Iron Ridge Guide.
IEICE Trans. Commun., 2017
IEICE Trans. Commun., 2017
2016
Three-Dimensional Over-The-Air Assessment for Vertically Arranged MIMO Array Antennas.
IEICE Trans. Commun., 2016
Channel Capacity Evaluation of MIMO Antenna Based on Eigenvalues of <i>S</i>-Parameter.
IEICE Trans. Commun., 2016
Weighted-Polarization Wearable MIMO Antenna with Three Orthogonally Arranged Dipoles Based on RF Signal Processing.
IEICE Trans. Commun., 2016
Proceedings of the 10th International Symposium on Medical Information and Communication Technology, 2016
2015
Rice Channel Realization for BAN Over-The-Air Testing Using a Fading Emulator with an Arm-Swinging Dynamic Phantom.
IEICE Trans. Commun., 2015
Experiments of a polarization-controlled active antenna to enhance BAN on-body link in human dynamic channels.
Proceedings of the 9th International Symposium on Medical Information and Communication Technology, 2015
2014
IEICE Trans. Commun., 2014
Network operational method by using software-defined networking for improvement of communication quality at disasters.
Proceedings of the 16th Asia-Pacific Network Operations and Management Symposium, 2014
2013
Effects of Received Power Imbalance on the Diversity Gain of a Digital TV MRC Array Antenna.
IEICE Trans. Commun., 2013
Shadowing-Fading BER Characterization of a BAN Diversity Antenna Based on Statistical Measurements of the Human Walking Motion.
IEICE Trans. Commun., 2013
Shadowing-fading BER characterization of BAN antennas based on realistic walking models.
Proceedings of the 7th International Symposium on Medical Information and Communication Technology, 2013
2012
Int. J. Biomed. Imaging, 2012
2011
BAN Communication Quality Assessments Using an Arm-Waving Dynamic Phantom Replicating the Walking Motion of a Human.
Proceedings of IEEE International Conference on Communications, 2011
Feasibility evaluation of a motion detection system with face images for stereotactic radiosurgery.
Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011
Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011
2010
Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010
2009
MIMO channel capacity measurement in the presence of spatial clusters using a fading emulator.
Proceedings of the IEEE 20th International Symposium on Personal, 2009
2008
IEEE Trans. Veh. Technol., 2008
A Low Distortion and Low Noise Differential Amplifier Suitable for 3G LTE Applications Using the Even- and Odd-Mode Impedance Differences of a Bias Circuit.
IEICE Trans. Electron., 2008
A Variable Phase Shifter Using a Movable Waffle Iron Metal Plate and Its Applications to Phased Array Antennas.
IEICE Trans. Commun., 2008
An improved Internet-based melanoma screening system with dermatologist-like tumor area extraction algorithm.
Comput. Medical Imaging Graph., 2008
2007
Empirical Investigation of the LOS Propagation Characteristics on an Undulating Road for Millimeter Wave Inter-Vehicle Communication.
IEICE Trans. Electron., 2007
IM3 Cancellation Method Using Current Feedback Suitable for a Multi-Stage RFIC Amplifier.
IEICE Trans. Electron., 2007
Outdoor Urban Propagation Experiment of a Handset MIMO Antenna with a Human Phantom Located in a Browsing Stance.
Proceedings of the 66th IEEE Vehicular Technology Conference, 2007
Proceedings of the IEEE 18th International Symposium on Personal, 2007
2006
Simple Modeling of an Abdomen of Pregnant Women and Its Application to SAR Estimation.
IEICE Trans. Commun., 2006
Performance Analysis of MIMO-OFDM Systems using Indoor Wideband MIMO Channel Measurement Data.
Proceedings of the 63rd IEEE Vehicular Technology Conference, 2006
Proceedings of the 35th Applied Image Pattern Recognition Workshop (AIPR 2006), 2006
2005
Syst. Comput. Jpn., 2005
Attenuation Characteristics of the SAR in a COST244 Phantom with Different EM Source Locations and Sizes.
IEICE Trans. Commun., 2005
Measurements on Area Coverage of 5GHZ Band MIMO-OFDM System in Residential Home Environment.
Proceedings of the IEEE 16th International Symposium on Personal, 2005
An Internet-based Melanoma Diagnostic System - Toward the Practical Application.
Proceedings of the 2005 IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology, 2005
2003
Syst. Comput. Jpn., 2003
2002
Selection of projection sets and order of calculation in ordered subsets expectation maximization method.
Syst. Comput. Jpn., 2002
Proceedings of the 2002 International Conference on Image Processing, 2002
2001
An analysis of the performance of a handset diversity antenna influenced by head, hand, and shoulder effects at 900 MHz .II. Correlation characteristics.
IEEE Trans. Veh. Technol., 2001
An analysis of the performance of a handset diversity antenna influenced by head, hand, and shoulder effects at 900 MHz .I. Effective gain characteristics.
IEEE Trans. Veh. Technol., 2001
Accurate image reconstruction with the source space tree algorithm (SSTA) for Compton CT.
Proceedings of the 2001 International Conference on Image Processing, 2001
2000
IEEE Trans. Veh. Technol., 2000
Proceedings of the 2000 International Conference on Image Processing, 2000
Comparative Study on Statistical Image Reconstruction Combined with Modification of the Number of Projections.
Proceedings of the 2000 International Conference on Image Processing, 2000
1998
Introduction of Ordered Subsets Algorithm to Maximum a posteriori Expectation Maximization Method.
Proceedings of the 1998 IEEE International Conference on Image Processing, 1998
1991
1990
Proceedings of the Medical Imaging IV: Image Processing, 1990
1987
Attenuation correction method for single-photon emission ct without any additional data collection.
Syst. Comput. Jpn., 1987
1986