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Conferences

学会発表

※国内学会を含まず。
 

2016

Shonosuke Kurita, Kazuki Kurihara, Hiroshi Kawaguchi, Shinpei Okawa, Takayuki Obata and Eiji Okada:
“Influence of extracerebral blood vessels in subject-specific head models om image reconstruction of diffuse optical tomography”
fNIRS 2016, Sa PS 3 & 4 (#107), Paris (France) (13-16 Oct 2016)
Rina Sato, Minami Kato, and Eiji Okada:
“Experimental Estimation of Influence of Cosmetic Foundation on Optical Path Length in the Skin”
The 2nd BIomedical Imaging and Sensing Conference 2016, Yokohama (Japan) (18-20 May 2016)
Naoyoshi Wakabayashi, Ken Nadamoto, Kazuki Kurihara, Shinpei Okawa, Koh Hashimoto, Hiroshi Kawaguchi, Yukari Tanikawa,
Hiroyuki Fujii,Satoru Kohno, Yoko Hoshi and Eiji Okada:
“Construction of an Anatomical Neck Model for Diffuse Optical Imaging”
The Optical Society of America, Biomedical Optics Congress, Florida (USA) (24-28 April 2016)
Rina Sato, Minami Kato, Kazuki Kurihara, and Eiji Okada:
“Wavelength Dependence of Partial Optical Path Length in the Vascular Plexus of Reflected Light of the Skin”
The Optical Society of America, Biomedical Optics Congress, Florida (USA) (24-28 April 2016)

2015

Hiroyuki Fujii, Shinpei Okawa, Ken Nadamoto, Eiji Okada, Yukio Yamada, Yoko Hoshi, and Masao Watanabe:
“Numerical analysis of photon migration in three-dimensional turbid media using the delta-Eddington approximation”
the 9th ICME International Conference on Complex Medical Engineering (CME 2015), Okayama (Japan) (18-21 June 2015)
Yoko Hoshi, Eiji Okada, Shinpei Okawa, Yukari Tanikawa, Tetsuya Yoshinaga, Hiroyuki Fujii, Kenichi Fujimoto, Koh Hashimoto,
and Satoru Kohno:
“Diffuse optical tomography: how to improve image quality?”
the 9th ICME International Conference on Complex Medical Engineering (CME 2015), Okayama (Japan) (18-21 June 2015)
Ryohei Tsuyuki, Kazuki Kurihara, Eiji Okada:
“Near infrared topography using low-resolution image reconstruction”
European Conference on Biomedical Optics, Diffuse Optical Imaging, 9538-13, Munich (Germany) (21-25 June 2015)
Yuji Yamamoto, Takahiro Kikuchi, Yu Yoshimori, Hiroyuki Takuwa, Hiroshi Kawaguchi, Hiroshi Ito, and Eiji Okada:
“Estimation of path length in blood vessels from two-dimensional image of exposed cortex”
European Conference on Biomedical Optics, Diffuse Optical Imaging, 9538-13, Munich (Germany) (21-25 June 2015)
Yu Yoshimori, Takahiro Kikuchi, Hiroyuki Takuwa, Hiroshi Kawaguchi, Hiroshi Ito, and Eiji Okada:
“Cortical model including the structure of the blood vessels for optical intrinsic signal imaging”
European Conference on Biomedical Optics, Diffuse Optical Imaging, 9538-13, Munich (Germany) (21-25 June 2015)
Ken Nadamoto, Yukari Tanikawa, Yoko Hoshi and Eiji Okada:
“Error caused by anisotropy factor in optical properties measurement by time-resolved spectroscopy”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Yu Yoshimori, Takahiro Kikuchi, Hiroyuki Takuwa, Hiroshi Kawagchi, Hiroshi Ito, and Eiji Okada:
“Light propagation analysis in the cortical model with three dimensional blood vessel structure obtained by two-photon microscopy”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Yuji Yamamoto, Takahiro Kikuchi, Yu Yoshimori, Hiroyuki Takuwa, Hiroshi Kawaguchi, Koichiro Sakaguchi, Hiroshi Ito, and Eiji Okada:
“Estimation of partial optical path length in the cortical blood vessels from 2D image of exposed cortex”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Naoyoshi Wakabayashi, Kosuke Takai, Kazuki Kurihara, and Eiji Okada:
“Analysis of spatial sensitivity profile of late-arriving photons in heterogeneous tissue in near-infrared spectroscopy”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Yusuke Sakakibara, Kazuki Kurihara, and Eiji Okada:
“Improvement of localization error and spatial broadening of diffuse optical imaging by dense probe arrangement”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Ryosuke Tuyuki, Kazuki Kurihara, Shinpei Okawa, and Eiji Okada:
“Low-resolution image reconstruction for diffuse optical tomography”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Kazuki Kurihara, Hiroshi Kawaguchi, Shinpei Okawa, Takayki Obata, Hiroshi Ito, and Eiji Okada:
“Image reconstruction for diffuse optical tomography using a realistic human head model including extra-cerebral vasculature”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Kotaro Nakamura, Kazuki Kurihara, Hiroshi Kawaguchi, Hiroshi Ito, Takayuki Obata, and Eiji Okada:
“Estimation of partial optical path length in the brain using in an anatomical head model for near-infrared spectroscopy”
The 5th Asian and Pacific-Rim Symposium on Biophtonics, APBPp3-7, Yokohama (Japan) (22-24 April 2015)
Eiji Okada, Kazuki Kurihara, Hiroshi Kawaguchi, and Takayuki Obata:
“Construction of MRI-based subject-specific head model for fNIRS”
11th IGAKUKEN International Symposium on "Advances in Biomedical Optical Imaging", Tokyo (Japan) (20 Feb 2015)
Hiroyuki Fujii, Shinpei Okawa, Ken Nadamoto, Eiji Okada, Yukio Yamada, Yoko Hoshi, and Masao Watanabe:
“Numerical modeling of photon migration in the cerebral cortex of the living rat using the radiative transport equation”
Proceedings of SPIE for the Biomedical Applications of Light Scattering IX, 9333, pp. 93313-1-6, San Francisco (USA) (7-8 Feb 2015)

2014

Kotaro Nakamura, Kazuki Kurihara, Shunsuke Ichimura, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito, and Eiji Okada:
“Evaluation of semi-subject-specific head model for fNIRS based on MR images of Japanese human head”
fNIRS 2014, Fr P2.28 (#106), Montreal (Canada) (10-12 Oct 2014)
Kazuki Kurihara, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito, and Eiji Okada:
“Adaptability of MR head image using new pulse sequences for fast segmentation algorithms to construct subject-specific head models”
fNIRS 2014, Fr P2.28 (#106), Montreal (Canada) (10-12 Oct 2014)
Yusuke Sakakibara, Kazuki Kurihara, and Eiji Okada:
“Evaluation of relationship between density of measurement points and point spread function of diffuse optical imaging”
fNIRS 2014, Fr P2.34 (#109), Montreal (Canada) (10-12 Oct 2014)
Kohsuke Takai, Kazuki Kurihara, and Eiji Okada:
“Analysis of time-resolved spatial sensitivity of NIRS using null source-detector separation”
fNIRS 2014, Sa P4.22 (#108), Montreal (Canada) (10-12 Oct 2014)
Yoko Hoshi, Eiji Okada, Shinpei Okawa, Yukari Tanikawa, Tetsuya Yoshinaga, Hiroyuki Fujii, Kenichi Fujimoto, Koh Hashimoto, Satoru Kohno:
“Development of time-domain diffuse optical tomography based on a rediative transfer equation and diffuse approximation hybrid”
fNIRS 2014, Su O.35 (#65), Montreal (Canada) (10-12 Oct 2014)
Ken Nadamoto, Kazuki Kurihara, Tadashi Iwase, Yukari Tanikawa, Yoko Hoshi, and Eiji Okada:
“Determination of optical properties of cortical tissue by lookup-table method for time-resolved measurement”
The 42nd Annual Meeting of the International Society on Oxygen Transport to Tissue (ISOTT2014), London (UK) (28 June-3 July 2014)
Yu Yoshimori, Takahiro Kikuchi, Hiroyuki Takuwa, Hiroshi Kawaguchi, Kazuto Masamoto, Hiroshi Ito, and Eiji Okada:
“Estimation of optical path length in blood vessels for optical imaging of exposed cortex”
The 42nd Annual Meeting of the International Society on Oxygen Transport to Tissue (ISOTT2014), London (UK) (28 June-3 July 2014)
Minami Kato, Masaya Ohtake, Takahiro Ohtsuka, Kazuki Kurihara and Eiji Okada:
“Angular dependence of diffuse reflectance spectra of skin estimated by multi-layered model”
The 42nd Annual Meeting of the International Society on Oxygen Transport to Tissue (ISOTT2014), London (UK) (28 June-3 July 2014)
Eiji Okada, Takahiro Kikuchi, Yu Yoshimori, Hiroyuki Takuwa, Hiroshi Kawaguchi, Kazuto Masamaoto, and Hiroshi Ito:
“Path length correction in exposed-cortex optical imaging using 3D model obtained by two-photon microscopy”
Optical Society of America Topical Meeting on Biomedical Optics 2014, BM3A.12, Miami (USA) (26-30 April 2014)
Ken Nadamoto, Tadashi Iwase, Yukari Tanikawa, Yoko Hoshi, and Eiji Okada:
“Monte Carlo simulation for determination of optical properties from time-resolved reflectance measured with a small probe separation”
Biomedical Imaging and Sensing Conference '14 (BISC'14), BISCp3-10, Yokohama (Japan), (22-24 April 2014)
Yu Yoshimori, Takahiro Kikuchi, Hiroyuki Takuwa, Hiroshi Kawaguchi, Kazuto Masamoto, Hiroshi Ito, and Eiji Okada:
“Correction of optical path length for measurement of haemoglobin change in exposed cortex”
Biomedical Imaging and Sensing Conference '14 (BISC'14), BISCp3-10, Yokohama (Japan), (22-24 April 2014)
Kotaro Nakamura, Kazuki Kurihara, Shunsuke Ichimura, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito, and Eiji Okada:
“Estimation of spatial distribution of partial optical path length in brain for functional near-infrared spectroscopy”
Biomedical Imaging and Sensing Conference '14 (BISC'14), BISCp3-10, Yokohama (Japan), (22-24 April 2014)
Yusuke Sakakibara, Shunsuke Ichimura, Mitsuhiko Tato, Kazuki Kurihara, and Eiji Okada:
“Effect of high-density probe arrangement on image quality of near-infrared topography”
Biomedical Imaging and Sensing Conference '14 (BISC'14), BISCp3-10, Yokohama (Japan), (22-24 April 2014)
Minami Kato, Masaya Ohtake, Takahiro Ohtsuka, and Eiji Okada:
“Influence of incidence and detection conditions on diffuse reflectance spectrum of skin”
Biomedical Imaging and Sensing Conference '14 (BISC'14), BISCp3-10, Yokohama (Japan), (22-24 April 2014)

2013

Eiji Okada, Masashi Kusano, Hiroyuki Takuwa, Kazuto Masamoto, Iwao Kanno:
“Imaging of cerebral blood flow of awake mice using laser speckle pattern”
2013 Japan-Taiwan Bilateral Symposium in Nano/Bio-Photonics, TuE-02, Hamamatsu (Japan) (25-27 Nov 2013)
[Invited]
Kazuki Kurihara, Yukari Tanikawa, Hiroyuki Fujii, Satoru Kohno, Yoko Hoshi and Eiji Okada:
“Influence of trachea region on near-infrared light propagation in human neck”
2013 Japan-Taiwan Bilateral Symposium in Nano/Bio-Photonics, TuD-01, Hamamatsu (Japan) (25-27 Nov 2013)
Takahiro Kikuchi, Masashi Kusano, Hiroyuki Takuwa, Hiroshi Kawaguchi, Kazuto Masamoto, Iwao Kanno, Hiroshi Ito
and Eiji Okada:
“Visualization of microvessels and capillary bed associated with brain activity”
The 10th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR & OECC/PS 2013), WJ3-2, Kyoto (Japan)
(30 June - 4 July 2013)
Kazuki Kurihara, Hiroshi Kawaguchi , Takayuki Obata, Hiroshi Ito and Eiji Okada:
“Visualization of microvessels and capillary bed associated with brain activity”
The 10th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR & OECC/PS 2013), WPJ-17, Kyoto (Japan) (30 June - 4 July 2013)
Kazuki Kurihara, Eiji Okada, Xue Wu and Hamid Dehghani:
“A hybrid MC-FEM model for analysis of light propagation in highly scattering medium”
European Conference on Biomedical Optics, ES4D-4, Munich (Germany) (12-16 May 2013)
Kohsuke Takai, Ryomei Kurokawa, Kazuki Kurihara, Hiroyuki Fujii, Satoru Kohno, Yoko Hoshi and Eiji Okada:
“Influence of hemodynamics in superficial tissues on DOT of brain function based on diffusion approximation”
European Conference on Biomedical Optics, EM1B-27, Munich (Germany) (12-16 May 2013)

2012

Kazuki Kurihara, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito, and Eiji Okada:
“Segmentation of magnetic resonance images for individual head models for DOI”
Functional Near Infrared Spectroscopy Conference 2012, 48, London (UK) (26-28 Oct 2012)
Shunsuke Ichimura, Hirokazu Kakuta, Kazuki Kurihara, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito, and Eiji Okada :
“Morphological modification of brain structure for optical brain activation imaging”
Functional Near Infrared Spectroscopy Conference 2012, 43, London (UK) (26-28 Oct 2012)
Masaya Ohtake, Hirokazu Kakuta, Hiroshi Kawaguchi, and Eiji Okada:
“Head phantom including multiple absorption inclusions for near infrared topography”
Functional Near Infrared Spectroscopy Conference 2012, 51, London (UK) (26-28 Oct 2012)
Eiji Okada, Kazuki Kurihara, Hirokazu Kakuta, Shunsuke Ichimura, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito:
“Light propagation analysis in head models for near-infrared topography”
Korea-Japan Biophotonics Special Session in the Optical Society of Korea Summer Meeting 2012, T1E-SIV1, Jeju Island (Korea)
(27-29 Aug 2012) [Invited]
Takahiro Kikuchi, Masashi Kusano, Hiroyuki Takuwa, Kazuto Masamoto, Hiroshi Ito, Iwao Kanno, and Eiji Okada:
“Optical Imaging for simultaneous measurements of cerebral blood volume and flow in exposed cortex of mice”
8th International Conference on Optics-photonics Design and Fabrication (ODF'12), St. Petersberg (Russia) (2-5 July 2012)
Kazuki Kurihara, Hiroshi Kawaguchi, Takayuki Obata, Hiroshi Ito, and Eiji Okada:
“Realistic human head model for brain-activation imaging by near-infrared spectroscopy”
8th International Conference on Optics-photonics Design and Fabrication (ODF'12), St. Petersberg (Russia) (2-5 July 2012)
Massashi Kusano, Hiroyuki Takuwa, Kazuto Masamoto, Iwao Kanno, and Eiji Okada:
“Measurement of cerebral blood flow associated with brain activation by laser speckle imaging and Doppler flowmetry”
8th International Conference on Optics-photonics Design and Fabrication (ODF'12), St. Petersberg (Russia) (2-5 July 2012)
Kazuki Kurihara, Hiroshi Kawaguchi, Yosuke Takahashi, Takayuki Obata, Hiroshi Ito, Kaoru Sakatani, and Eiji Okada:
“Analysis of light propagation in a realistic head model including frontal sinus”
Biomedical Optics & 3D Imaging, OSA Optics & Photonics 2012, BTu3A.51, Miami (USA) (28 Apr-2 May 2012)
Takahiro Kikuchi, Masashi Kusano, Hiroyuki Takuwa, Kazuto masamoto, Iwao Kanno, and Eiji Okada:
“Optical imaging of hemodynamic changes in exposed cortex of awake mice”
Biomedical Optics & 3D Imaging, OSA Optics & Photonics 2012, BTu3A.56, Miami (USA) (28 Apr-2 May 2012)
Eiji Okada:
“NIR topography using MRI based head model ”
The UK-Japan workshop in multimodal brain imaging, Chicheley (UK) (27-29 Feb 2012)[Invited]

2011

Eiji Okada:
"Evaluation of Probe arrangement for optical imaging of brain function"
2011 Taiwan-Japan Bilateral Symposium in Nano/Bio-photonics, Tainan (Taiwan) (21-22 Nov 2011). [Invited]
Eiji Okada:
"Roles of near-infrared spectroscopy in multimodal brain imaging"
Wellcome Trust Scientific Meeting Next Generation Brain Imaging Technologies, London (UK) (25-26 Oct 2011). [Invited]
Masashi Kusano, Haruka Nakamura, Hiroyuki Takuwa, Kazuto Masamoto, Eiji Okada, and Iwao Kanno:
"Comparison of temporal response to cerebral blood flow measured by laser speckle flowgraphy and laser Doppler flowmetry"
European Conference on Biomedical Optics 2011, 8088-13, Munich (Germany) (22-26 May 2011).
Kazuki Kurihara, Yusuke Takahashi, Hiroshi Kawaguchi, Takayuki Obata, and Eiji Okada:
"Segmentation of magnetic resonance images to construct human head model for diffuse optical imaging"
European Conference on Biomedical Optics 2011, 8088-18, Munich (Germany) (22-26 May 2011).
Shoji Takano and Eiji Okada:
"Analysis of the differences in diffuse reflectance spectra of skin due to detection system"
European Conference on Biomedical Optics 2011, 8088-47, Munich (Germany) (22-26 May 2011).
Hirokazu Kakuta and Eiji Okada:
"Evaluation of the position resolution of NIR topogaraphy by localised visual stimulation"
European Conference on Biomedical Optics 2011, 8088-48, Munich (Germany) (22-26 May 2011).
Yusuke Yoshida, Hirokazu Kakuta, Hiroshi Kawaguchi, and Eiji Okada:
"Phantom experiments for quantitative evaluation of topographic image by mapping algorithm"
European Conference on Biomedical Optics 2011, 8088-50, Munich (Germany) (22-26 May 2011).

2010

Hirokazu Kakuta, Hiroshi Kawaguchi, and Eiji Okada:
"A head phantom for use in near infrared topography for brain function measurements"
Biomedical Optics and 3-D imaging: 2010 OSA Optics & Photonics Congress, JMA58, Miami Beach (UK) (11-14 Apr 2010).
Shoji Takano, Wakana Fujita, and Eiji Okada:
"Multi-layered models for prediction of diffuse reflectance spectra of skin and lip"
Biomedical Optics and 3-D imaging: 2010 OSA Optics & Photonics Congress, BME4, Miami Beach (UK) (11-14 Apr 2010).
Eiji Okada:
"The role of physical modelling in multi-modal measurements of brain function"
UK-Japan Workshop Multimodal Measurements for Brain Function, Tokyo (Japan) (26-27 Jan 2010). [Invited]

2009

Yosuke Takahashi, Yosuke Oki, Daisuke Tsuzuki, Hiroshi Kawaguchi, Ippeita Dan, and Eiji Okada:
"Analysis of light propagation in head models for probabilistic registration of NIRS data"
European Conference on Biomedical Optics 2009, MJ6, Munich (Germany) (14-18 June 2009).
Hirokazu Kakuta, Eiju Watanabe, Hidenori Yokota, Kenji Oguro, Mikihiro Kaga, Takashi Ishizuka, and Eiji Okada:
"Phantom experiments for validation of spatial resolution improvement of optical topography for double-density measurement"
European Conference on Biomedical Optics 2009, MJ7, Munich (Germany) (14-18 June 2009).
Haruka Nakayama, Satoshi Matsuo, Naotaka Sakahita, Koichiro Sakaguchi, Takushige Katsura, Kyoko Yamazaki, Naoki Tanaka,
Hideo Kawaguchi, Atsushi Maki, and Eiji Okada:
"Measurements of temporal-spatial change in blood flow and volume in exposed cortex of guinea pig evoked by auditory stimulation"
European Conference on Biomedical Optics 2009, MJ8, Munich (Germany) (14-18 June 2009).
Wataru Matsui, Yutaka Niki, Ayano Suzuki, and Eiji Okada:
"Extraction of brain-activation component from NIRS signal by using independent component analysis"
European Conference on Biomedical Optics 2009, MJ9, Munich (Germany) (14-18 June 2009).
Naotaka Sakashita, Koichiro Sakaguchi, Satoshi Matsuo, Haruka Nakayama, Takushige Katsura, Kyoko Yamazaki, Naoki Tanaka,
Hideo Kawaguchi, Atsushi Maki, and Eiji Okada:
"Influence of SNR on statistical analysis of spatial extent of brain activation measured by multi-spectral imaging"
European Conference on Biomedical Optics 2009, WJ2, Munich (Germany) (14-18 June 2009).
Eiji Okada, Naoya Kiryu, Hirokazu Kakuta, and Hiroshi Kawaguchi:
"Evaluation of Spatial resolution of near-infrared topogaraphy by a digital head phantom"
European Conference on Biomedical Optics 2009, WJ5, Munich (Germany) (14-18 June 2009).
Hirokazu Kakuta, Naoya Kiryu, Hiroshi Kawaguchi, and Eiji Okada:
"Experimental evaluation of spatial resolution of near infrared topography by using a head phantom"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), DOT-04, Jeju Island (Korea) (27-29 May 2009).
Shuping Wang, Nanae Shibahara, Daishi Kuramashi, Shinpei Okawa, Naoto Kakuta, Eiji Okada, Atsushi Maki and Yukio Yamada:
"Effects of spatial variation of skull and cerebrospinal fluid layers on optical mapping of brain activities"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), DOT-07, Jeju Island (Korea) (27-29 May 2009).
Wataru Matsui, Yutaka Niki, Ayano Suzuki, and Eiji Okada:
"Evaluation of crosstalk resistant noise canceller for extraction of brain signal in near-infrared spectroscopy"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), Sensor-07, Jeju Island (Korea) (27-29 May 2009).
Naotaka Sakashita, Koichiro Sakaguchi, Satoshi Matsuo, Haruka Nakayama, and Eiji Okada:
"Influence of the depth of brain activation on wavelength dependence of optical path length"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), Spect-PT03, Jeju Island (Korea) (27-29 May 2009).
Haruka Nakayama, Satoshi Matsuo, and Eiji Okada:
"Optimisation of algorithm for blood-flow measurement by laser speckle method"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), DOT-PT04, Jeju Island (Korea) (27-29 May 2009).
Yosuke Takahashi, Yosuke Oki, and Eiji Okada:
"Effect of the optical properties of tissue on simulation of light propagation in a head model"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), DOT-PT05, Jeju Island (Korea) (27-29 May 2009).
Wakana Fujita, Yosuke Oki, and Eiji Okada:
"Realistic skin and lip models for simulation of diffuse reflectance spectra"
The 4th Asian and Pacific Rim Symposium on Biophotonics (APBP 2009), DOT-PT08, Jeju Island (Korea) (27-29 May 2009).

2008

Koichiro Sakaguchi,Shunsuke Furukawa, Takushige Katsura, Kyoko Yamazaki, Atsushi Maki, Hideo Kawaguchi
and Eiji Okada:
“Multi-spectral imaging of change in haemoglobin concentration in exposed brain caused by auditory stimulation”
Asia Pacific Laser Symposium, Nagoya (Japan) (2008)
Satoshi Matsuo, Koichiro Sakaguchi, Takushige Katsura, Kyoko Yamazaki,Hideo Kawaguchi, Atsushi Maki,
Hitoshi Fujii and Eiji Okada:
“Measurement of distribution of blood-flow change in exposed cortex by laser speckle flowgraphy”
Asia Pacific Laser Symposium, Nagoya (Japan) (2008)
Koichiro Sakaguchi, Shunsuke Furukawa, Takushige Katsura, Kyoko Yamazaki, Atsushi Maki, Hideo Kawaguchi
and Eiji Okada:
"Statistical analysis of spatial extent of hemoglobin-concentration change in exposed cortex measured multi-spectral imaging"
Biomedical Optics Topical Meeting and Tabletop Exhibit, St. Petersburg (U.S.A.) (2008)
Satoshi Matsuo, Koichiro Sakaguchi, Takushige Katsura, Kyoko Yamazaki, Hideo Kawaguchi, Atsushi Maki,
and Eiji Okada:
"Comparison of Algorithms to Calculate Cortical Blood Flow of Guinea Pigs by Laser Speckle Method"
6th International Conference on Optics-photonics Design and Fabrication Taipei, (Taiwan) (2008)
Yosuke Oki, Hiroshi Kawaguchi and Eiji Okada:
"Validation of Diffusion Approximation for the Calculation of Light Propagation in the Realistic Adult Head Model"
6th International Conference on Optics-photonics Design and Fabrication Taipei, (Taiwan) (2008)
Yutaka Niki, Wataru Matsui and Eiji Okada:
"Analysis of the Relationship between Probe Spacing and the Amplitude of Brain Signal Detected by Near-Infrared Spectroscopy"
6th International Conference on Optics-photonics Design and Fabrication Taipei, (Taiwan) (2008)
Naoya Kiryu, Hiroshi Kawaguchi and Eiji Okada:
"Theoretical Evaluation of Non-uniform Sensitivity Profile on Spatial Resolution of Near-Infrared Topography"
6th International Conference on Optics-photonics Design and Fabrication Taipei, (Taiwan) (2008)
Wataru Matsui, Yutata Niki and Eiji Okada
"Evaluation of the adaptive filter for the extraction of functional brain response from the near-infrared spectroscopy signal"
6th International Conference on Optics-photonics Design and Fabrication Taipei, (Taiwan) (2008)
Naotaka Sakashita, Koichiro Sakaguchi, Satoshi Matsuo T.akushige Katsura, Kyoko Yamazaki, Naoki Tanaka, Hiroshi Kawaguchi, Atsushi Maki and Eiji Okada
"Influence of SNR of Optical Intrinsic Signal on Statistical Analysis of Spatial Extent of Brain Activation"
6th International Conference on Optics-photonics Design and Fabrication Taipei, (Taiwan) (2008)

2007

Hiroshi Kawaguchi, and Eiji Okada:
"Image Reconstruction Algorithm Using the Spatial Sensitivity Profile for Near-Infrared Topography: Evaluation by the Virtual Head Phantom",
3rd Asian and Pacific Rim Symposium on Biophotonics, Cairns (Australia) (July, 2007)
Koichiro Sakaguchi , Shunsuke Furukawa, Takushige Katsura, Kyoko Yamazaki, Atsushi Maki,Hideo Kawaguchi and Eiji Okada:
"Experimental prediction of wavelength-dependent pathlength factor for the multi-spectral imaging analysis of optic intrinsic signal using the skull cranial window"
3rd Asian and Pacific Rim Symposium on Biophotonics, Cairns (Australia) (July, 2007)
Yosuke Oki, Hiroshi Kawaguchi, and Eiji Okada:
"Effect of the Thickness Variation of Superficial Tissues on the Position Accuracy of Near Infrared Topography",
3rd Asian and Pacific Rim Symposium on Biophotonics, Cairns (Australia) (July, 2007)
Satoshi Matsuo, Koicihiro Sakaguchi, Shunsuke Furukawa, Takushige Katsura, Kyoko Yamazaki, Hideo Kawaguchi, Atsushi Maki, Hitoshi Fujii and Eiji Okada
"Measurement of the Change in the Cortical Blood Flow of Guinea Pigs by Laser Speckle Flowgraphy"
3rd Asian and pacific rim symposium on biophotonics & Biophotonics downunder, Cairns (Australia) (2007)
Hiroshi Kawaguchi, and Eiji Okada:
"Evaluation of the image reconstruction algorithm for near infrared topography by virtual head phantom",
European Conference on Biomedical Optics, Munich (Germany) (June, 2007) (Invited Talk).

2006

Hiroshi Kawaguchi, Tatsuya Koyama and Eiji Okada:
"Effect of Position of Probe Arrangement on the Image of Near Infrared Topography",
Optics Within Life Science 9, Taipei (Taiwan) (November, 2006).
Taro Okuyama, Koichiro Sakaguchi, Hiroshi Kawaguchi, and Eiji Okada:
"Experimental Estimation of Wavelength Dependence of Optical Path Length in Brain Function Measurement by Near Infrared Spectroscopy",
Optics Within Life Science 9, Taipei (Taiwan) (November, 2006).
Hiroshi Kawaguchi, Tatsuya Koyama and Eiji Okada:
"Virtual Head Phantom for Evaluation of Near Infrared Topography",
LEOS Annual Meeting, Montreal (Canada) (October, 2006).

2005

Hiroshi Kawaguchi, and Eiji Okada:
"Image reconstruction using spatial sensitivity profile with the constraint of spatial frequency in image for near-infrared topography",
The European Conference on Biomedical Optics, Munich (Germany) (2005)
Koichiro Sakaguchi, Tomoya Tachibana, Shunsuke Furukawa and Eiji Okada:
"Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue",
The European Conference on Biomedical Optics, Munich (Germany) (2005)
Hiroshi Kawaguchi, and Eiji Okada:
"The image reconstruction algorithm for brain function measurement by near-infrared topography",
6th Asian-Pacific Conference on Medical and Biological Engineering, Tsukuba (Japan), (2005)
Koichiro Sakaguchi, Tomoya Tachibana, Kentaro Yokoyama, Yohei Watanabe, Satomi Sugio, Takusige Katsura, Atsushi Maki, Hideo Kawaguchi, Hitoshi Fujii and Eiji Oakada:
"Measurements of blood volume and flow in the cortical tissue of guinea pigs with optical imaging system",
6th Asian-Pacific Conference on Medical and Biological Engineering, Tsukuba (Japan), (2005)

2004

Hiroshi Kawaguchi, and Eiji Okada:
"Effect of image reconstruction method using prior knowledge for near-infrared topography",
The Second Asian and Pacific Rim Symposium on Biophotonics ,Taipei (Taiwan), (2004)
Hiroshi Kawaguchi, and Eiji Okada:
"Image reconstruction using spatial sensitivity profile for near-infrared topography",
OSA Biomedical Topical Meetings, Miami Beach (USA), (2004).
Atsushi Iwasaki and Eiji Okada:
"Influence of cross talk on near-infrared oxygenation monitoring of muscle",
The Second Asian and Pacific Rim Symposium on Biophotonics ,Taipei (Taiwan), (2004).
Atsushi Iwasaki and Eiji Okada:
"Effect of angular distribution of outgoing flux from high-scattering region in hybrid MC-diffusion method",
OSA Biomedical Topical Meetings, Miami Beach (USA), (2004).
Yosuke Ogoshi, and Eiji Okada:
"Analysis of light propagation in a realistic head model by hybrid Monte Carlo-diffusion method",
2004 ICO International Conference Optics & Photonics in Technology Frontier, Makuhari (Japan), (2004).
Nobuhiro Okui and Eiji Okada:
"Cross talk between oxy- and deoxy-haemoglobin in brain function measurement by near-infrared spectroscopy",
The Second Asian and Pacific Rim Symposium on Biophotonics ,Taipei (Taiwan), (2004).
Nobuhiro Okui and Eiji Okada:
"Cross talk between oxy- and deoxy-haemoglobin in brain activity measurement by near-infrared spectroscopy",
OSA Biomedical Topical Meetings, Miami Beach (USA), (2004)
Tomoya Tachibana, Koichiro Sakaguchi, Kentaro Yokoyama, Yohei Watanabe, Satomi Sugio, Takushige Katsura, Atsushi Maki, Hideo Kawaguchi, Hitoshi Fujii, and Eiji Okada:
"Optical imaging system for measurement of blood volume and flow in exposed brain cortex",
The Second Asian and Pacific Rim Symposium on Biophotonics, Taipei (Taiwan) (2004).
Shoko Kuroda, Hiroshi Kawaguchi, Nobuhiko Okui, and Eiji Okada:
"Accuracy in position of the activated region estimated from topographic image of brain function",
OSA Biomedical Topical Meetings, Miami Beach (USA), (2004).
Tatsuya Koyama, Atsushi Iwasaki, Yosuke Ogoshi, and Eiji Okada:
"Practical approach of light propagation analysis in the adult headmodel by finite element method",
OSA Biomedical Topical Meetings, Miami Beach (USA), (2004).
Koichiro Sakaguchi, Kentaro Yokoyama, Yohei Watanabe and Eiji Okada:
"Estimation of wavelength-dependent path length factor from multi-spectral images of cortical phantom",
The Second Asian and Pacific Rim Symposium on Biophotonics, Taipei, Taiwan (2004)

2003

Kenji Tanaka, Yukari Tanikawa, Ryuichiro Araki, Yukio Yamada, and Eiji Okada:
"Optical property measurement of thin superficial tissue by using time-resolved spectroscopy",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Masaki Hojo, and Eiji Okada:
"Monte Carlo simulation of characteristics of OCT signal from the boundary of optical property mismatch",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Kentaro Yokoyama, Motoshi Watanabe, and Eiji Okada:
"Estimation of optical path length factor for functional imaging of exposed cortex by principal component analysis",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Motoshi Watanabe, Kentaro Yokoyama, and Eiji Okada:
"Estimation of point spread function for scattering effect on cortical tissue image",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Yohei Watanabe, Hitoshi Fujii, and Eiji Okada:
"Functional imaging system for simultaneous measurement of blood volume and flow",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Hiroshi Kawaguchi, Toshiyuki Hayashi, Toshinori Kato, and Eiji Okada:
"Improvement of near-infrared topography by optode arrangement and reconstruction algorithm using spatial sensitivity profile",
IEEE EMBS Asian-Pacific Conference on Biomedical Engineering, Keihanna (Japan) (2003).
Hiroshi Kawaguchi, Toshiyuki Hayashi, Toshinori Kato, and Eiji Okada:
"Evaluation of spatial resolution of near infrared topography using spatial sensitivity profile",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Atsushi Iwasaki, Toshiyuki Hayashi, and Eiji Okada:
"Model of light propagation in cerebrospinal fluid for brain-function measurement",
IEEE EMBS Asian-Pacific Conference on Biomedical Engineering, Keihanna (Japan) (2003).
Yosuke Ogoshi, Toshiyuki Hayashi, Yuichi Fukui, and Eiji Okada:
"Analysis of light propagation in adult head model by direct hybrid Monte Carlo-diffusion method",
IEEE EMBS Asian-Pacific Conference on Biomedical Engineering, Keihanna (Japan) (2003,).
Nobuhiro Okui, Takuma Kadoya, Tsuyoshi Yamamoto and Eiji Okada:
"Effect of fibre arrangement on spatial resolution of near-infrared topographic imaging",
IEEE EMBS Asian-Pacific Conference on Biomedical Engineering, Keihanna (Japan) (2003).
Nobuhiro Okui, Takuma Kadoya, Tsuyoshi Yamamoto and Eiji Okada:
"Effect of fibre arrangement on spatial resolution of near-infrared topographic imaging",
The European Conference on Biomedical Optics, Munich (Germany) (2003).
Tomoya Tachibana, Kenji Tanaka, and Eiji Okada:
"Measurement of optical properties of superficial tissue from time-resolved reflectance",
IEEE EMBS Asian-Pacific Conference on Biomedical Engineering, Keihannna (Japan) (2003).

2002

Yuichi Fukui and Eiji Okada:
"Analysis of light propagation in a three-dimensional realistic head model by finite difference method",
Asian Symposium on Biomedical Optics and Photomedicine, Sapporo (Japan) (2002).
Yohei Watanabe and Eiji Okada:
"The dependence of laser Doppler spectrum on the depth of blood flow",
Asian Symposium on Biomedical Optics and Photomedicine, Sapporo (Japan) (2002).
Masaki Hojo and Eiji Okada:
"The dependence of incident and detected light trajectory upon the depth of focal plane of optical coherence tomography",
Asian Symposium on Biomedical Optics and Photomedicine, Sapporo (Japan) (2002).
Toshiyuki Hayashi, Yoshihiko Kashio and Eiji Okada:
"Effect of superficial tissue upon spatial sensitivity profile on brain surface evaluated by hybrid Monte Carlo-diffusion method",
Asian Symposium on Biomedical Optics and Photomedicine, Sapporo (Japan) (2002).
Motoshi Watanabe, Kentaro Yokoyama, Kazushi Honjyo and Eiji Okada:
"Monte Carlo modeling of cortical light reflectance for optical brain function imaging",
Asian Symposium on Biomedical Optics and Photomedicine, Sapporo (Japan) (2002).
Kentaro Yokoyama, Motoshi Watanabe, Kazushi Honjyo, Atsushi Maki, Yukio Yamada, Hiroshi Iseki and Eiji Okada:
"Principal analysis of multi-spectral images of exposed cortical model for measurement of brain activity",
Asian Symposium on Biomedical Optics and Photomedicine, Sapporo (Japan) (2002).
Motoshi Watanabe, Kazushi Honjyo, Kentaro Yokoyama and Eiji Okada:
"Monte Carlo analysis of light propagation in the exposed brain in the wavelength range 400-950 nm",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 158-160, Miami (USA) (2002).
Kentaro Yokoyama, Kazushi Honjo, Motoshi Watanabe, Atsushi Maki, Yukio Yamada, Hiroshi Iseki and Eiji Okada:
"Analysis of multi-spectral reflectance of exposed brain tissue",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 155-157, Miami (USA) (2002).
Kenji Tanaka, Ryuichiro Araki, Yukari Tanigawa, Yukio Yamada and Eiji Okada:
"Monte Carlo analysis of influence of phase function on time-resolved reflectance spectroscopy",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 137-139, Miami (USA) (2002).
Yohei Watanabe and Eiji Okada:
"Influence of the depth of perfusion on Doppler spectrum analysed by Monte Carlo simulation",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 119-121, Miami (USA) (2002).
Toshiyuki Hayashi, Yoshihiko Kashio and Eiji Okada:
"Hybrid Monte Carlo-diffusion method for light propagation in three dimensional models with low-scattering layer",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 116-118, Miami (USA) (2002).
Yuichi Fukui, Yusaku Ajichi, Kenji Tanaka, Tsuyoshi Yamamoto and Eiji Okada:
"Analysis of light propagation in three-dimensional neonatal head model by finite difference method", OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 112-114, Miami (USA) (2002).
Masaki Hojo and Eiji Okada:
"The effect of confocal detection on optical coherence tomography analysed by Monte Carlo simulation",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 69-71, Miami (USA) (2002).

2001

Yoshihiko Kashio and Eiji Okada:
"Optical topographic reconstruction using photon measurement density functions",
Progress in Biomedical Optics and Imaging: Photon Migration, Optical Coherence Tomography, and Microscopy,
Proceedings of SPIE, Vol. 4431, pp. 313-319, Munich (Germany) (2001).
Yuichi Fukui, Tsuyoshi Yamamoto and Eiji Okada:
"Analysis of light propagation in neonatal head model by finite difference method",
Progress in Biomedical Optics and Imaging: Photon Migration, Optical Coherence Tomography, and Microscopy,
Proceedings of SPIE, Vol. 4431, pp. 184-191, Munich (Germany) (2001).
Takuma Kadoya, Eizo Moriwaki and Eiji Okada:
"Monte Carlo investigation of separation of two absorbers in topographic imaging",
Progress in Biomedical Optics and Imaging: Photon Migration, Optical Coherence Tomography, and Microscopy,
Proceedings of SPIE, Vol. 4431, pp. 176-183, Munich (Germany) (2001).
Toshiyuki Hayashi, Yoshihiko Kashio and Eiji Okada:
"Hybrid Monte Carlo-Diffusion method for light propagation in tissue with low scattering layer",
Progress in Biomedical Optics and Imaging: Photon Migration, Optical Coherence Tomography, and Microscopy,
Proceedings of SPIE, Vol. 4431, pp. 169-175, Munich (Germany) (2001).
Takuma Kadoya and Eiji Okada:
"Phantom experiment on relationship between activated position of cerebral cortex and NIR signal",
Progress in Biomedical Optics and Imaging: Optical Tomography and Spectroscopy of Tissue IV,
Proceedings of SPIE Vol. 4250, pp. 558-565, San Jose (USA) (2001).
Satoshi Misonoo and Eiji Okada:
"Adult head modelling based on time-resolved measurement for NIR instrument",
Progress in Biomedical Optics and Imaging: Optical Tomography and Spectroscopy of Tissue IV,
Proceedings of SPIE, Vol. 4250, pp. 522-529, San Jose (USA) (2001).
Yoshihiko Kashio and Eiji Okada:
"A theoretical study of the position detection of cerebral cortex activity from NIR signal",
Progress in Biomedical Optics and Imaging: Optical Tomography and Spectroscopy of Tissue IV,
Proceedings of SPIE, Vol. 4250, pp. 462-469, San Jose (USA) (2001).
Shuhei Eda and Eiji Okada:
"Monte Carlo analysis of time-resolved spatial sensitivity profiles in the realistic head models",
Progress in Biomedical Optics and Imaging: Optical Tomography and Spectroscopy of Tissue IV,
Proceedings of SPIE, Vol. 4250, pp. 383-389, San Jose (USA) (2001).
Kenji Tanaka, Ryuichiro Araki, Yukio Yamada and Eiji Okada:
"Measuring of optical properties of small volume samples using time-resolved reflectance spectroscopy",
Progress in Biomedical Optics and Imaging: Optical Tomography and Spectroscopy of Tissue IV,
Proceedings of SPIE, Vol. 4250, pp. 282-289, San Jose (USA) (2001).

2000

Yoshihiko Kashio, Muneo Ono, Michael Firbank, Martin Schweiger, Simon R. Arridge and Eiji Okada:
"Investigation of the relationship between position of brain activity and change in optical density for NIR imaging",
Progress in Biomedical Optics and Imaging: Photon Migration, Diffuse Spectroscopy, and Optical Coherence Tomography: Imaging and Functional Assessment,
Proceedings of SPIE, Vol. 4160, pp. 83-90, Amsterdam (The Netherlands) (2000).
Kaori Tajima, Shuhei Eda and Eiji Okada:
"Monte Carlo prediction of light propagation in realistic adult head model",
Progress in Biomedical Optics and Imaging: Photon Migration, Diffuse Spectroscopy, and Optical Coherence Tomography: Imaging and Functional Assessment,
Proceedings of SPIE, Vol. 4160, pp. 49-56, Amsterdam (The Netherlands) (2000).
Kazushi Honjyo, Atsushi Maki, David T. Delpy and Eiji Okada:
"The contribution of blood oxygenation changes in the capillary bed and a small blood vessel on the brain surface to NIRS signal",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 289-291, Miami (USA) (2000).
Shuhei Eda and Eiji Okada:
"Spatial sensitivity profile for the realistic neonatal head model predicted by Monte Carlo method",
OSA Biomedical Topical Meetings: Advances in Optical Imaging and Photon Migration, pp. 259-261, Miami (USA) (2000).

1999

Satoshi Misonoo, Eiji Okada and Jeremy C. Hebden:
"Influence of non-scattering layer on estimation of the optical properties of the adult head",
Biomedical Optics: Advances in Optical Imaging, Photon Migration, and Tissue Optics, pp. ATuC11: 1-3, Munich (Germany) (1999).
Daigo Hasegawa and Eiji Okada:
"Spatial sensitivity profiles for different measurement parameters in the heterogeneous head models",
Biomedical Optics: Advances in Optical Imaging, Photon Migration, and Tissue Optics, pp. ATuC10: 1-3, Munich (Germany) (1999).
Muneo Ono and Eiji Okada:
"Sampling region on the brain surface in NIRS monitoring and NIR imaging of brain activity",
Biomedical Optics: Advances in Optical Imaging, Photon Migration, and Tissue Optics, pp. ATuC6: 1-3, Munich (Germany) (1999).
Isamu Momose and Eiji Okada:
"Monte Carlo analysis of spatial sensitivity profile for frequency domain near-infrared spectroscopy",
Biomedical Optics: Advances in Optical Imaging, Photon Migration, and Tissue Optics, pp. AMB4: 1-3, Munich (Germany) (1999).
Kenji TANAKA, Ryuichiro ARAKI, Yukari TANIKAWA, Daigo IMAI, Hiroshi
KAWAMURA, Yukio YAMADA:
''Measuments of Optical Properties of Biological Tissues Using an
Integrating sphere and Time-resolved Spectroscopy'',
OSA Biomedical Optics, (1999).

1998

Kenichi Matsushita and Eiji Okada:
"Influence of adipose tissue on near infrared oxygenation monitoring in muscle",
20th Annual International Conference of the IEEE / Engineering in Medicine and Biology Society, pp. 1864-1867, Hong Kong (China) (1998).
Isamu Momose and Eiji Okada:
"Frequency domain Monte Carlo prediction of light propagation in scattering bodies with clear region",
Europto Series, Progress in Biomedical Optics: Photon Propagation in Tissue IV, Proceedings of SPIE, Vol. 3566, pp.28-36, Stockholm (Sweden) (1998).
Muneo Ono and Eiji Okada:
"Monte Carlo prediction of mean-time photon measurement density functions",
Europto Series, Progress in Biomedical Optics: Photon Propagation in Tissue IV,
Proceedings of SPIE, Vol. 3566, pp. 20-27, Stockholm (Sweden) (1998).

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2016/6/23
更新しました。

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2017/3/30
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