Search Results - "Toyofuku, F"

Computerized method for estimation of the location of a lung tumor on EPID cine images without implanted markers in stereotactic body radiotherapy by Arimura, H, Egashira, Y, Shioyama, Y, Nakamura, K, Yoshidome, S, Anai, S, Nomoto, S, Honda, H, Toyofuku, F, Higashida, Y, Onizuka, Y, Terashima, H

“…The purpose of this study was to develop a computerized method for estimation of the location of a lung tumor in cine images on an electronic portal imaging…”
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SU‐E‐I‐92: Accuracy Evaluation of Depth Data in Microsoft Kinect by Kozono, K, Aoki, M, Ono, M, Kamikawa, Y, Arimura, H, Toyofuku, F

“…Purpose: Microsoft Kinect has potential for use in real‐time patient position monitoring in diagnostic radiology and radiotherapy. We evaluated the accuracy of…”
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SU‐E‐I‐91: Development of a Compact Radiographic Simulator Using Microsoft Kinect by Ono, M, Kozono, K, Aoki, M, Mizoguchi, A, Kamikawa, Y, Umezu, Y, Arimura, H, Toyofuku, F

“…Purpose: Radiographic simulator system is useful for learning radiographic techniques and confirmation of positioning before x‐ray irradiation. Conventional…”
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TU‐E‐BRB‐01: Similar‐Case‐Based Optimization of Beam Arrangements in Stereotactic Body Radiation Therapy by Magome, T, Arimura, H, Shioyama, Y, Mizoguchi, A, Tokunaga, C, Nakamura, K, Honda, H, Ohki, M, Toyofuku, F, Hirata, H

“…Purpose: The quality of a treatment plan for stereotactic body radiotherapy (SBRT) depends on an experience of each treatment planner. Therefore, the treatment…”
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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 by Kakiuchi, G, Arimura, H, Shioyama, Y, Minohara, S, Mizoguchi, A, Nakamura, K, Honda, H, Toyofuku, F, Ohki, M, Hirata, H

“…Purpose: The three‐dimensional (3D) dose distribution covering a tumor region tends to be more breakable if the beam's eye view (BEV) of the 3D electron…”
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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 by Arimura, H, Mizoguchi, A, Shioyama, Y, Nakamura, K, Yoshidome, S, Hirose, T, Anai, S, Umezu, Y, Honda, H, Ohki, M, Toyofuku, F, Hirata, H

“…Purpose: The accumulated dose distributions during the course of radiation treatment are substantially important for verifying whether treatment dose…”
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SU‐E‐J‐26: Automated Estimation Method of Patient Setup Errors Using Simulated Portal Images for Prostate Cancer Radiotherapy by Matsushita, N, Arimura, H, Shioyama, Y, Magome, T, Nakamura, K, Umezu, Y, Yoshitake, T, Anai, S, Yoshidome, S, Honda, H, Ohki, M, Toyofuku, F, Hirata, H

“…Purpose: We developed a novel automated estimation method for patient setup errors based on simulated and real portal images for prostate cancer radiotherapy…”
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SU‐GG‐I‐155: Physical Imaging Properties and Detectability of Simulated Microcalcifications of Digital Magnification Mammography with Matched Incident Exposure by Tanaka, N, Higashida, Y, Naka, K, Toyofuku, F, Ohki, M, Morishita, J

“…Purpose: To improve the image resolution over that obtainable with contact radiography, digital magnification mammographies under the same incident exposure…”
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Computerized Estimation of Possible Clinical Target Volume Based on Multimodality Images using a Dual Active Contour Model by Kuwazuru, J, Arimura, H, Shioyama, Y, Taniyama, E, Sasaki, M, Magome, T, Nakamura, K, Honda, H, Toyofuku, F, Hirata, H

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Automated Determination of Beam Arrangement Based on Similar Cases in Radiotherapy Treatment Planning Database for Lung Stereotactic Body Radiotherapy by Magome, T, Arimura, H, Shioyama, Y, Tokunaga, C, Nakamura, K, Anai, S, Honda, H, Ohki, M, Toyofuku, F, Hirata, H

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Optimization Of Robust Beam Angles To Patient Setup Errors For Head and Neck Cancer In Hadron Particle Therapy by Kakiuchi, G, Arimura, H, Shioyama, Y, Nagano, A, Minohara, S, Mizoguchi, A, Honda, H, Toyofuku, F, Ohki, M, Hirata, H

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Real-time Monitoring Of A Lung Tumor Region Based On Gamma Evaluation Using Portal Dose Cine Images During Stereotactic Body Radiotherapy by Mizoguchi, A, Arimura, H, Yoshidome, S, Hirose, T, Shioyama, Y, Anai, S, Nakamura, K, Honda, H, Toyofuku, F, Hirata, H

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Computer-aided beam arrangement based on similar cases in radiation treatment-planning databases for stereotactic lung radiation therapy by Magome, Taiki, Arimura, Hidetaka, Shioyama, Yoshiyuki, Mizoguchi, Asumi, Tokunaga, Chiaki, Nakamura, Katsumasa, Honda, Hiroshi, Ohki, Masafumi, Toyofuku, Fukai, Hirata, Hideki

“…The purpose of this study was to develop a computer-aided method for determination of beam arrangements based on similar cases in a radiotherapy…”
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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 by Takahashi, K, Morishita, J, Sakai, S, Toyofuku, F, Higashida, Y, Ohki, M

“…Purpose: To examine the potential usefulness of a high‐brightness color liquid crystal display (LCD) monitor, the detectability of the color monitor was…”
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SU‐FF‐I‐73: Automated Analysis of Contrast Detail Phantom Images for Quality Control by Jingu, R, Ohki, M, Arimura, H, Morishita, J, Toyofuku, F, Higashida, Y

“…Purpose: A contrast detail (CD) phantom is used for quality control of X‐ray imaging systems. However, the observation of CD phantom images is time‐consuming,…”
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SU‐FF‐I‐55: Reconstruction of Mammography X‐Ray Spectrum Using Rayleigh and Compton Scattering Corrections by Kawaguchi, S, Yamaguchi, Y, Arimura, H, Morishita, J, Ohki, M, Uno, Y, Ideguchi, T, Higashida, Y, Toyofuku, F

“…Purpose: An analysis of the x‐ray spectrum is important for quality assurance (QA) and quality control (QC) of a radiographic system. In the case of…”
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SU‐FF‐I‐65: Relative Contributions of Rayleigh Scattering for PMMA in the Mammography Energy Range by Yamaguchi, Y, Kawaguchi, S, Arimura, H, Morishita, J, Ohki, M, Uno, Y, Ideguchi, T, Tokumori, K, Higashida, Y, Toyofuku, F

“…Purpose: The method of obtaining the primary x‐ray spectrum by the Compton scattering correction has been established for relatively high x‐ray tube voltages…”
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SU‐GG‐T‐368: Automated Measurement of Water Equivalent Path Length of a Patient Based on a Computed Radiography in Total Body Irradiation by Yoshidome, S, Arimura, H, Tachibana, M, Shioyama, Y, Nomoto, S, Fukunaga, J, Hirano, N, Noguchi, Y, Toyofuku, F, Honda, H, Hirata, H

“…Purpose: In total body irradiation (TBI), it is necessary to archive a uniform dose over the midline of a patient's whole body by using a compensator such as a…”
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SU‐GG‐J‐58: Stereotactic Body Radiotherapy: Computer‐Assisted Verification of a Lung Tumor Region Using EPID without Implanted Markers by Arimura, H, Shioyama, Y, Nakamura, K, Yoshitake, T, Anai, S, Nomoto, S, Honda, H, Toyofuku, F, Higashida, Y, Onizuka, Y, Terashima, H, Hirata, H

“…Purpose: Our purpose of this study was to develop a computer‐assisted verification method for lung tumor regions using a Gaussian image enhancement based on…”
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SU‐GG‐J‐44: Estimation of Lateral Scatter Kernels in EPID and Water Equivalent Phantom for Dose Verification in Stereotactic Lung Radiotherapy by Mizoguchi, A, Arimura, H, Yoshidome, S, Tachibana, M, Shioyama, Y, Anai, S, Nakamura, K, Honda, H, Higashida, Y, Toyofuku, F, Ohki, M, Hirata, H

“…Purpose: Lateral scatter kernels (LSKs) of an electronic portal imaging device (EPID) and a water equivalent phantom are essential data for estimating the…”
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