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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MI 2012-01-20
Okinawa   Validation of Spatio-temporal Reconstruction Algorithm Based on DRAMA Using Small Animal Dynamic PET Data
Tatsuya Kon, Takashi Obi, Nagaaki Ohyama (Tokyo Inst. of Tech.), Yuichi Kimura (National Inst. of Radiological Sci.) MI2011-155
The accuracy of the estimated parametric images is largely dependent on that of the tissue time activity curves (tTACs.)... [more] MI2011-155
MI 2010-01-28
Okinawa Naha-Bunka-Tenbusu A Strategy to Improve PET Neuroreceptor Analysis MA1 Based on Statistics of Measurement Errors
Naoki Hoshino, Hidekata Hontani (Nagoya Inst. of Tech.), Mika Naganawa, Kazuya Sakaguchi (National Inst. of Radiological Sci.), Muneyuki Sakata, Kiichi Ishiwata (Tokyo Metro Inst. of Gerontology), Yuichi Kimura (National Inst. of Radiological Sci.) MI2009-76
In this article, we propose a new method for improving MA1, which
estimates total distribution volume $V_{\rm T}$, the ... [more]
MI 2010-01-28
Okinawa Naha-Bunka-Tenbusu Simplification of the patient set up in radiotherapy with guideline using epipolar geometry
Riki Fukuhara (Chiba Univ.), Shinichiro Mori, Motoki Kumagai (National Inst. of Radiological Sci.), Hideaki Haneishi (Chiba Univ.) MI2009-81
It is necessary to perform patient set up accurately in radiotherapy. Generally the radiotherapy is performed repeatedly... [more] MI2009-81
MI 2010-01-28
Okinawa Naha-Bunka-Tenbusu [Poster Presentation] Study of Implementation of Maximum-likelihood Reconstruction for Compton Camera
Yukio Okabe (Chiba Univ.), Taiga Yamaya, Eiji Yoshida, Fumihiko Nishikido (National Inst. of Radiological Sci.), Naoki Kawachi (JAEA), Mikio Suga (Chiba Univ.) MI2009-83
In this paper we compared two implementations, histogram mode(hist-mode) and list-mode,of -MLEM(maximum likelihood expec... [more] MI2009-83
MI 2010-01-28
Okinawa Naha-Bunka-Tenbusu Estimation algorithm using direct search method in PET neuroreceptor quantification
Yosuke Okanishi (Chiba Univ.), Yuichi Kimura, Mikio Suga (National Inst. of Radiological Sci./Chiba Univ.) MI2009-84
In a compartment model analysis using positron emission tomography (PET), some problems arises in non-linear estimation:... [more] MI2009-84
MI 2010-01-28
Okinawa Naha-Bunka-Tenbusu Implementation of list-mode PET reconstruction using GPU
Shoko Kinouchi (Chiba Univ./National Inst. of Radiological Sci.), Taiga Yamaya, Eiji Yoshida (National Inst. of Radiological Sci.), Mikio Suga (Chiba Univ.) MI2009-85
We developed a 3D list-mode iterative image reconstruction using GPU. The efficiency of acceleration depends on the impl... [more] MI2009-85
MI 2010-01-28
Okinawa Naha-Bunka-Tenbusu Development of the Next Supporting System for a Radiation Treatment Planning System -- Evaluation of Nonlinear Registration using 3D Free Form Deformation --
Takumi Tanikawa, Yutaka Ando (National Inst. of Radiological Sci.), Koji Uemura (Kawasaki University of Medical Welfare), Masami Mukai (National Inst. of Radiological Sci.), Takashi Masuzawa, Masakazu Osada (Toshiba Medical), Nobuhiro Tsukamoto (Saitama Medical Univ.), Osamu Kawaguchi (Keio Univ.) MI2009-92
The three-dimensional free form deformation (3D-FFD) method was studied for the registration of CT images. The purpose o... [more] MI2009-92
MI 2010-01-29
Okinawa Naha-Bunka-Tenbusu Estimation of Model Parameters and Evaluation of Simulation Accuracy in Educational Simulator of MRI -- T1 Estimation with Inversion Recovery Pulse Sequence by using the Simplex Method --
Kenta Hori (Gunma Prefectural Coll. of Health Sci.), Tomohisa Okada (Kyoto Univ Hospital), Tetsuo Sato (Nara Inst. of Sci and Tech.), Takayuki Obata (National Inst. of Radiological Sci.), Kenichi Kashikura, Hitoshi Igarashi (Gunma Prefectural Coll. of Health Sci.) MI2009-125
This research is aimed at evaluation of MRI simulation technique for education of radiological technologists. Our simula... [more] MI2009-125
MI 2010-01-29
Okinawa Naha-Bunka-Tenbusu [Poster Presentation] Comparison of Inversion Algorithm for Magnetic Resonance Elastography -- Availability for Focused Acoustic Driver --
Hisayuki Miura, Mikio Suga (Chiba Univ.), Hiroshi Fujiwara (Kyoto Univ.), Takao Yamamoto (Gunma Univ.), Masaya Hirano (GE Healthcare Japan), Hiroo Ikehira, Takayuki Obata (National Inst. of Radiological Sci.) MI2009-142
The stiffness of tissue is related to physiological and pathological state. Magnetic resonance elastography (MRE) is a t... [more] MI2009-142
 Results 1 - 9 of 9  /   
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