Publications by authors named "Tomonobu Haba"

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Determination of appropriate energy threshold range for accurate estimation of effective atomic number considering statistical uncertainty in photon-counting techniques.
Tomonobu Haba, Hiroaki Hayashi, Tsukasa Takahashi, Shota Naito, Yuichi Furukawa

J Appl Clin Med Phys· April 2025

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Assessment of fetal radiation exposure in pregnant women undergoing computed tomography and rotational angiography examinations for pelvic trauma.
Yuta Matsunaga, Tomonobu Haba, Masanao Kobayashi, Shoichi Suzuki, Yasuki Asada

Radiat Prot Dosimetry· April 2024

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Estimating organ dose with optimized peak dose index in cone-beam CT scans.
Tomonobu Haba, Yusei Nishihara, Yasunori Saito, Takeshi Tomimura, Shuta Ogawa

Phys Med· February 2024

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[Efficacy of L-shaped Shielding in Interventional Radiology by Transradial Approach and Consideration of Methods for Appropriate Use].
Katsunori Yamashita, Hiroyuki Ueno, Tomonobu Haba, Yusuke Ito, Yuta Matsunaga

Nihon Hoshasen Gijutsu Gakkai Zasshi· March 2023

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Evaluation of radiation dose for inferior vena cava filter placement during pregnancy: A comparison of dosimetry and dose calculation software.
Yuta Matsunaga, Tomonobu Haba, Masanao Kobayashi, Shoichi Suzuki, Yasuki Asada

J Appl Clin Med Phys· February 2023

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SIZE-specific dose estimate for lower-limb CT.
Masanao Kobayashi, Yusei Nishihara, Tomonobu Haba, Yuta Matsunaga, Yasuki Asada

Phys Eng Sci Med· December 2022

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SIZE-SPECIFIC DOSE ESTIMATES IN FETAL COMPUTED TOMOGRAPHY.
Masanao Kobayashi, Yusei Nishihara, Tomonobu Haba, Yuta Matsunaga, Kazuyuki Minami

Radiat Prot Dosimetry· May 2022

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Novel pregnant model phantoms for measurement of foetal radiation dose in x-ray examinations.
Yuta Matsunaga, Tomonobu Haba, Masanao Kobayashi, Shoichi Suzuki, Yasuki Asada

J Radiol Prot· August 2021

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Fetal radiation dose of four tube voltages in abdominal CT examinations during pregnancy: A phantom study.
Yuta Matsunaga, Tomonobu Haba, Masanao Kobayashi, Shoichi Suzuki, Yasuki Asada

J Appl Clin Med Phys· February 2021

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A new cone-beam computed tomography dosimetry method providing optimal measurement positions: A Monte Carlo study.
Tomonobu Haba, Keisuke Yasui, Yasunori Saito, Masanao Kobayashi, Shuji Koyama

Phys Med· January 2021

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Evaluation of exposure dose in fetal computed tomography using organ-effective modulation.
Masanao Kobayashi, Tomonobu Haba, Sayaka Suzuki, Yusei Nishihara, Yasuki Asada

Phys Eng Sci Med· December 2020

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[Influence of Absorbed Dose by Difference of Scanning Starting Angle in Multiphasic CT Imaging].
Yusei Nishihara, Masanao Kobayashi, Hiroki Saito, Tomonobu Haba, Yasuki Asada

Nihon Hoshasen Gijutsu Gakkai Zasshi· September 2020

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OPTIMISATION OF SWALLOWING CT EXAMINATION: DOSE REDUCTION AND IMAGE QUALITY.
Masanao Kobayashi, Yasuki Asada, Tomonobu Haba, Yuta Matsunaga, Kosuke Matsubara

Radiat Prot Dosimetry· December 2019

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Size-specific dose estimates for various weighting factors of CTDI equation.
Tomonobu Haba, Masanao Kobayashi, Shuji Koyama

Australas Phys Eng Sci Med· December 2019

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Accuracy validation of incident photon fluence on detective quantum efficiency in mammography.
Tomonobu Haba, Shuji Koyama, Natsuki Otani

Australas Phys Eng Sci Med· December 2018

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SWALLOWING COMPUTED TOMOGRAPHY: DOSE ESTIMATION IN A PHANTOM STUDY CONDUCTED AT VARIOUS PATIENT RECLINING ANGLES.
Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Kazuyuki Minami, Shouichi Suzuki, Tomonobu Haba

Radiat Prot Dosimetry· January 2018

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New weighting factor of weighted CTDI equation for PMMA phantom diameter from 8 to 40 cm: A Monte Carlo study.
Tomonobu Haba, Shuji Koyama, Yutaka Kinomura, Yoshihiro Ida, Masanao Kobayashi

Med Phys· December 2017

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Dose Estimating Application Software Modification: Additional Function of a Size-Specific Effective Dose Calculator and Auto Exposure Control.
Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Shouichi Suzuki, Yuta Matsunaga, Tomonobu Haba

Radiat Prot Dosimetry· May 2017

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Software Development for Estimating the Conversion Factor (K-Factor) at Suitable Scan Areas, Relating the Dose Length Product to the Effective Dose.
Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Syouichi Suzuki, Kichiro Koshida, Tomonobu Haba

Radiat Prot Dosimetry· May 2017

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Influence of 320-detector-row volume scanning and AAPM report 111 CT dosimetry metrics on size-specific dose estimate: a Monte Carlo study.
Tomonobu Haba, Shuji Koyama, Yutaka Kinomura, Yoshihiro Ida, Masanao Kobayashi

Australas Phys Eng Sci Med· September 2016

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Pin-photodiode array for the measurement of fan-beam energy and air kerma distributions of X-ray CT scanners.
Tomonobu Haba, Shuji Koyama, Takahiko Aoyama, Yutaka Kinomura, Yoshihiro Ida

Phys Med· July 2016

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Electrocardiogram-gated coronary CT angiography dose estimates using ImPACT.
Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Shouichi Suzuki, Kichiro Koshida, Tomonobu Haba

J Appl Clin Med Phys· July 2016

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Evaluation of the CT dose index for scans with an ECG using a 320-row multiple-detector CT scanner.
Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Kichiro Koshida, Shouichi Suzuki, Tomonobu Haba

Radiat Prot Dosimetry· December 2015

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Influence of difference in cross-sectional dose profile in a CTDI phantom on X-ray CT dose estimation: a Monte Carlo study.
Tomonobu Haba, Shuji Koyama, Yoshihiro Ida

Radiol Phys Technol· January 2014

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Accuracy validation of incident photon fluence on DQE for various measurement conditions and X-ray units.
Tomonobu Haba, Shimpei Kondo, Daiki Hayashi, Shuji Koyama

Radiol Phys Technol· July 2013

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