Masafumi Ohki

发表

Computer-aided evaluation method of white matter hyperintensities related to subcortical vascular dementia based on magnetic resonance imaging

Yasuo Yamashita, Yasuo Kawata, Hidetaka Arimura, 2010, Comput. Medical Imaging Graph..

Computerized evaluation method of white matter hyperintensities related to subcortical vascular dementia in brain MR images

Yasuo Yamashita, Yasuo Kawata, Hidetaka Arimura, 2010, Medical Imaging.

Computer-aided classification of patients with dementia of Alzheimer's type based on cerebral blood flow determined with arterial spin labeling technique

Yasuo Yamashita, Hidetaka Arimura, Taiki Magome, 2010, Medical Imaging.

Computer-aided beam arrangement based on similar cases in radiation treatment-planning databases for stereotactic lung radiation therapy

Hidetaka Arimura, Taiki Magome, Masafumi Ohki, 2012, Journal of radiation research.

Automated verification method for patient setup based on digitally reconstructed radiography and portal image for prostate cancer treatment

Hidetaka Arimura, Taiki Magome, Masafumi Ohki, 2010, 2010 World Automation Congress.

Medical Image Database on World-Wide Web Server

Takashi Nakamura, Masafumi Ohki, Toshiro Yamada, 1996 .

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

Daisuke Yamamoto, Yasuo Yamashita, Hidetaka Arimura, 2010, Comput. Medical Imaging Graph..

Investigation of Optimum Grid for Digital Radiography

Hidetaka Arimura, Masafumi Ohki, Fukai Toyofuku, 2009 .

Need for liquid–crystal display monitors having the capability of rendering higher than 8 bits in display-bit depth

Masafumi Ohki, Fukai Toyofuku, Yoshiharu Higashida, 2009, Radiological physics and technology.

Bone mineral imaging using a digital magnification mammography system

Hidetaka Arimura, Masafumi Ohki, Fukai Toyofuku, 2008, SPIE Medical Imaging.

Computer-assisted radiation treatment planning system for determination of beam directions based on similar cases in a database for stereotactic body radiotherapy

Hidetaka Arimura, Taiki Magome, Masafumi Ohki, 2012, Other Conferences.

[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].

Masafumi Ohki, Fukai Toyofuku, Yoshiharu Higashida, 2005, Nihon Hoshasen Gijutsu Gakkai zasshi.

A Video-on-demand System in the Education of Basic Nursing Skills

Masafumi Ohki, Setsuko Murata, Etsuko Kitahara, 2001, MedInfo.

Effect of test patterns on measurement of the luminance of LCD devices by use of a telescopic-type luminance meter

Noriyuki Hashimoto, Masafumi Ohki, Fukai Toyofuku, 2008, Radiological physics and technology.

An approach of exposure dose reduction of cone-beam computed tomography in an image guided patient positioning system by using various noise suppression filters

Hidetaka Arimura, Masafumi Ohki, Hidemi Kamezawa, 2014, 2014 Joint 7th International Conference on Soft Computing and Intelligent Systems (SCIS) and 15th International Symposium on Advanced Intelligent Systems (ISIS).

Computerized method for automated measurement of thickness of cerebral cortex for 3-D MR images

Hiroshi Koga, Hidetaka Arimura, Masafumi Ohki, 2006, SPIE Medical Imaging.

Fan-beam monochromatic x-ray CT using fluorescent x rays excited by synchrotron radiation

Masafumi Ohki, Fukai Toyofuku, Yoshiharu Higashida, 1999, Optics & Photonics.

Comparison of viewing angle and observer performances in different types of liquid-crystal display monitors

Masafumi Ohki, Fukai Toyofuku, Yoshiharu Higashida, 2009, Radiological physics and technology.

Feasibility of patient dose reduction based on various noise suppression filters for cone-beam computed tomography in an image-guided patient positioning system.

Hidetaka Arimura, Masafumi Ohki, Hidemi Kamezawa, 2016, Physics in medicine and biology.

Computerized estimation of patient setup errors in portal images based on localized pelvic templates for prostate cancer radiotherapy

Hiroshi Honda, Hidetaka Arimura, Taiki Magome, 2012, Journal of radiation research.

Evaluation of mouthpiece fixation devices for head and neck radiotherapy patients fabricated in PolyJet photopolymer by a 3D printer.

Iori Sumida, Masafumi Ohki, Shumei Murakami, 2019, Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics.

Detectability of a lung nodule displayed on a liquid-crystal display monitor with different maximum luminance settings

Noriyuki Hashimoto, Masafumi Ohki, Junji Morishita, 2010, Radiological physics and technology.

Automated measurement of three-dimensional cerebral cortical thickness in Alzheimer’s patients using localized gradient vector trajectory in fuzzy membership maps

Hiroshi Honda, Yasuo Yamashita, Hidetaka Arimura, 2013 .

Comparison of detectability of a simple object with low contrast displayed on a high-brightness color LCD and a monochrome LCD

Noriyuki Hashimoto, Masafumi Ohki, Fukai Toyofuku, 2010, Radiological physics and technology.

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

Masafumi Ohki, Junji Morishita, Masayuki Sasaki, 2012, Radiological Physics and Technology.

Automated segmentation method of white matter and gray matter regions with multiple sclerosis lesions in MR images

Yasuo Yamashita, Yasuo Kawata, Hidetaka Arimura, 2011, Radiological physics and technology.

Automated detection of multiple sclerosis candidate regions in MR images: false-positive removal with use of an ANN-controlled level-set method

Yasuo Yamashita, Hidetaka Arimura, Taiki Magome, 2011, Radiological Physics and Technology.

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))

Yasuo Yamashita, Yasuo Kawata, Hidetaka Arimura, 2009 .

Investigation of optimum anti-scatter grid selection for digital radiography: physical imaging properties and detectability of low-contrast signals

Masafumi Ohki, Fukai Toyofuku, Yoshiharu Higashida, 2012, Radiological Physics and Technology.