M. Ohki

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Aliases
M Ohki, M. Ohki, Masafumi Ohki
Publication record
69 papers · 339 citations · H-index 10

PAPERS

Evaluation of mouthpiece fixation devices for head and neck radiotherapy patients fabricated in PolyJet photopolymer by a 3D printer.
201930 citationsauthor #6
The clinical significance of modifying X-ray tube current-time product based on prior image deviation index for digital radiography.
201913 citationsauthor #5
Optimizing Fractional Intensity Threshold for FSLBrain Extraction Tool (BET) and Comparing with FreeSurfer on 3D T1W MR Images
20184 citationsauthor #4
Feasibility of patient dose reduction based on various noise suppression filters for cone-beam computed tomography in an image-guided patient positioning system
20167 citationsauthor #5
SU-F-I-62: A Dcm4chee Log Analyzer for Monitoring DICOM Network Performance.
20160 citationsauthor #3
SU-E-J-243: Possibility of Exposure Dose Reduction of Cone-Beam Computed Tomography in An Image Guided Patient Positioning System by Using Various Noise Suppression Filters.
20140 citationsauthor #5
An approach of exposure dose reduction of cone-beam computed tomography in an image guided patient positioning system by using various noise suppression filters
20144 citationsauthor #5
Automated determination of robust beam directions against patient setup errors based on electron density spatial distribution in hadron particle therapy
20130 citationsauthor #8
Automated measurement of three-dimensional cerebral cortical thickness in Alzheimer’s patients using localized gradient vector trajectory in fuzzy membership maps
20134 citationsauthor #11
Effect of readout direction in the edge profile on the modulation transfer function of computed radiographic systems by use of the edge method
20138 citationsauthor #4
WE-G-BRCD-04: Development of Automated Determination Method of Robust Beam Directions against Patient Setup Errors Based on Spatial Distribution of Electron Density in Particle Therapy.
20120 citationsauthor #9
SU-E-J-117: Computer-Assisted Verification of Accumulated Dose Distribution during the Treatment Time Based on Estimation of Four-Dimensional Dose Distribution Using an Electronic Portal Imaging Device.
20120 citationsauthor #10
TU-E-BRB-01: Similar-Case-Based Optimization of Beam Arrangements in Stereotactic Body Radiation Therapy.
20120 citationsauthor #8
Computerized estimation of patient setup errors in portal images based on localized pelvic templates for prostate cancer radiotherapy
20127 citationsauthor #12
Investigation of optimum anti-scatter grid selection for digital radiography: physical imaging properties and detectability of low-contrast signals
201217 citationsauthor #6
Basic imaging properties of an indirect flat-panel detector system employing irradiation side sampling (ISS) technology for chest radiography: comparison with a computed radiographic system
201221 citationsauthor #6
Effect of ambient lighting on liquid–crystal displays with different types of surface treatment
20122 citationsauthor #8
Computer-aided beam arrangement based on similar cases in radiation treatment-planning databases for stereotactic lung radiation therapy
20126 citationsauthor #8
SU-E-J-26: Automated Estimation Method of Patient Setup Errors Using Simulated Portal Images for Prostate Cancer Radiotherapy.
20120 citationsauthor #11
Computer-assisted radiation treatment planning system for determination of beam directions based on similar cases in a database for stereotactic body radiotherapy
20121 citationsauthor #8
Computer-assisted determination of the usable beam arrangement from similar treatment plans in stereotactic body radiotherapy
20120 citationsauthor #9
Automated detection of multiple sclerosis candidate regions in MR images: false-positive removal with use of an ANN-controlled level-set method
201114 citationsauthor #7
Automated Determination of Beam Arrangement Based on Similar Cases in Radiotherapy Treatment Planning Database for Lung Stereotactic Body Radiotherapy
20111 citationsauthor #8
Digital magnification mammography with matched incident exposure: physical imaging properties and detectability of simulated microcalcifications
20111 citationsauthor #6
SU‐E‐I‐188: Potential for Dose Reduction in An Indirect Flat Panel Detector System Employing Irradiation Side Sampling
20110 citationsauthor #4
Optimization Of Robust Beam Angles To Patient Setup Errors For Head and Neck Cancer In Hadron Particle Therapy
20111 citationsauthor #9
Automated segmentation method of white matter and gray matter regions with multiple sclerosis lesions in MR images
20114 citationsauthor #9
Computer-aided classification of patients with dementia of Alzheimer's type based on cerebral blood flow determined with arterial spin labeling technique
20102 citationsauthor #9
Computerized classification of patients with alzheimer's disease based on arterial spin-labeled perfusion MRI
20101 citationsauthor #11
Automated verification method for patient setup based on digitally reconstructed radiography and portal image for prostate cancer treatment
20100 citationsauthor #12
24th Computer Assisted Radiology
20100 citationsauthor #9
Comparison of detectability of a simple object with low contrast displayed on a high-brightness color LCD and a monochrome LCD
20109 citationsauthor #10
SU‐GG‐I‐155: Physical Imaging Properties and Detectability of Simulated Microcalcifications of Digital Magnification Mammography with Matched Incident Exposure
20101 citationsauthor #5
Detectability of a lung nodule displayed on a liquid-crystal display monitor with different maximum luminance settings
201011 citationsauthor #8
Computerized evaluation method of white matter hyperintensities related to subcortical vascular dementia in brain MR images
20101 citationsauthor #5
Fuzzy-based segmentation of brain parenchymal regions with alzheimer's disease into cerebral cortex and white matter in 3.0-T magnetic resonance images
20103 citationsauthor #9
Computer-aided detection of multiple sclerosis lesions in brain magnetic resonance images: False positive reduction scheme consisted of rule-based, level set method, and support vector machine
201066 citationsauthor #7
Computer-aided evaluation method of white matter hyperintensities related to subcortical vascular dementia based on magnetic resonance imaging
201019 citationsauthor #5
SU‐GG‐J‐44: Estimation of Lateral Scatter Kernels in EPID and Water Equivalent Phantom for Dose Verification in Stereotactic Lung Radiotherapy
20100 citationsauthor #11
Investigation of Optimum Grid for Digital Radiography
20090 citationsauthor #7
Need for liquid–crystal display monitors having the capability of rendering higher than 8 bits in display-bit depth
200910 citationsauthor #4
SU‐FF‐I‐65: Relative Contributions of Rayleigh Scattering for PMMA in the Mammography Energy Range
20091 citationsauthor #5
SU‐FF‐I‐55: Reconstruction of Mammography X‐Ray Spectrum Using Rayleigh and Compton Scattering Corrections
20091 citationsauthor #5
Automated Selection Method for Similar MR Images with Brain Tumors for Assisting Radiation Treatment Planning
20091 citationsauthor #7
Automated method for segmentation of white matter and gray matter regions with multiple sclerosis in 3T MR images(International Forum on Medical Imaging in Asia 2009 (IFMIA 2009))
20093 citationsauthor #7
Reconstruction of mammography x-ray spectrum by using Rayleigh and Compton scattering corrections
20091 citationsauthor #5
Computerized Detection of White Matter Hyperintensity Related to Subcortical Vascular Dementia Based on Automated and Semiautomated Segmentation(International Forum on Medical Imaging in Asia 2009 (IFMIA 2009))
20090 citationsauthor #7
Imaging Properties of Digital Magnification Mammography
20092 citationsauthor #7
Computerized Detection of Multiple Sclerosis Lesions based on 3.0 T Two-dimensional Magnetic Resonance Images(International Forum on Medical Imaging in Asia 2009 (IFMIA 2009))
20090 citationsauthor #6
Comparison of viewing angle and observer performances in different types of liquid-crystal display monitors
20099 citationsauthor #6
MO‐FF‐A4‐05: Comparison of Detectability of a Simple Object with Low Contrast Displayed On a High‐Brightness Color LCD Monitor and a Monochrome LCD Monitor
20090 citationsauthor #6
Rayleigh and Compton scattering analysis for PMMA in the mammography energy range
20091 citationsauthor #5
SU‐FF‐I‐73: Automated Analysis of Contrast Detail Phantom Images for Quality Control
20090 citationsauthor #2
Bone mineral imaging using a digital magnification mammography system
20080 citationsauthor #6
Effect of test patterns on measurement of the luminance of LCD devices by use of a telescopic-type luminance meter
200815 citationsauthor #9
SU‐GG‐I‐97: Automated Extraction of White Matter Regions in Multiple Sclerosis Based On High Resolution Magnetic Resonance Imaging
20080 citationsauthor #6
Computerized method for automated measurement of thickness of cerebral cortex for 3-D MR images
20063 citationsauthor #8
Automated method for measurement of cerebral cortical thickness for 3-D MR images
20062 citationsauthor #8
Physical imaging properties and low-contrast performance of a newly developed flat-panel digital radiographic system.
20057 citationsauthor #8
[CR-mammography with pixel size of 50 microm and dual-sided reading system: effect of the oblique incident of the X-ray beam on imaging properties and detection].
20050 citationsauthor #8
[Full-field digital mammography with amorphous silicon-based flat- panel detector: physical imaging characteristics and signal detection].
20041 citationsauthor #4
[ROC analysis of detection of interval changes in interstitial lung diseases on digital chest radiographs using the temporal subtraction technique].
20041 citationsauthor #9
New CR system with pixel size of 50 microm for digital mammography: physical imaging properties and detection of subtle microcalcifications.
200419 citationsauthor #10
[Low contrast detectability of a new CR system with two-sided reading].
20032 citationsauthor #6
Contents Vol. 64, 2002
20020 citationsauthor #7
Subject Index Vol. 64, 2002
20020 citationsauthor #7
Evaluation of Interstitial Lung Diseases by Use of Temporal Subtraction Technique on Computed Radiography(CR)Chest Images : Detection and Recognition of Simulated Lesions
20010 citationsauthor #9
Fan-beam monochromatic x-ray CT using fluorescent x rays excited by synchrotron radiation
19992 citationsauthor #5
Subject Index, Vol. 70, 1995
19950 citationsauthor #72

TIMELINE

1995 0 citations

1999 2 citations

2001 0 citations

2002 0 citations

2003 2 citations

2004 21 citations

2005 7 citations

2006 5 citations

2008 15 citations

2009 29 citations

2010 113 citations

2011 21 citations

2012 54 citations

2013 12 citations

2014 4 citations

2016 7 citations

2018 4 citations

2019 43 citations

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