Issue 1/2024
Content (34 Articles)
John Roderick Cameron (1922–2005): Scientist, teacher, mentor, inventor, and philanthropist extraordinaire
Kwan Hoong Ng, Kunio Doi
Selection of Radiological Physics and Technology Awards 2023
Nobuyuki Kanematsu, Fujio Araki, Katsuhiro Ichikawa, Tosiaki Miyati, Takeji Sakae, Junji Shiraishi, Yoshikazu Uchiyama, Taiga Yamaya
Possible mechanisms and simulation modeling of FLASH radiotherapy
Yuta Shiraishi, Yusuke Matsuya, Hisanori Fukunaga
Deep learning-based PET image denoising and reconstruction: a review
Fumio Hashimoto, Yuya Onishi, Kibo Ote, Hideaki Tashima, Andrew J. Reader, Taiga Yamaya
Study on the radiofrequency transparency of partial-ring oval-shaped prototype PET inserts in a 3 T clinical MRI system
Md Shahadat Hossain Akram, Craig S. Levin, Fumihiko Nishikido, Sodai Takyu, Takayuki Obata, Taiga Yamaya
A spatio-temporal image analysis for growth of indeterminate pulmonary nodules detected by CT scan
Takaomi Hanaoka, Hisanori Matoba, Jun Nakayama, Shotaro Ono, Kayoko Ikegawa, Mitsuyo Okada
Task-based assessment of resolution properties of CT images with a new index using deep convolutional neural network
Aiko Hayashi, Ryohei Fukui, Shogo Kamioka, Kazushi Yokomachi, Chikako Fujioka, Eiji Nishimaru, Masao Kiguchi, Junji Shiraishi
Simplified assessment for chemical exchanged saturation transfer (CEST) imaging: local offset frequency and CEST effect
Daiki Chiba, Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Hiroaki Hayashi, Akihiro Haga
Development and evaluation of an integrated liver nodule diagnostic method by combining the liver segment division and lesion localization/classification models for enhanced focal liver lesion detection
Tomomi Takenaga, Shouhei Hanaoka, Yukihiro Nomura, Takahiro Nakao, Hisaichi Shibata, Soichiro Miki, Takeharu Yoshikawa, Naoto Hayashi, Osamu Abe
A practical method to simulate realistic reduced-exposure CT images by the addition of computationally generated noise
Nicholas Mark Gibson, Amy Lee, Martin Bencsik
Hierarchical approach for pulmonary-nodule identification from CT images using YOLO model and a 3D neural network classifier
Yashar Ahmadyar, Alireza Kamali-Asl, Hossein Arabi, Rezvan Samimi, Habib Zaidi
Impact of gadolinium concentration and cell oxygen levels on radiobiological characteristics of gadolinium neutron capture therapy technique in brain tumor treatment
Reza Shamsabadi, Hamid Reza Baghani
Dosimetric comparison of four-dimensional computed tomography based internal target volume against variations in respiratory motion during treatment between volumetric modulated arc therapy and three-dimensional conformal radiotherapy in lung stereotactic body radiotherapy
Daimu Fujimoto, Jun Takatsu, Naoya Hara, Masaki Oshima, Jun Tomihara, Eisuke Segawa, Tatsuya Inoue, Naoto Shikama
Gold nanoparticles conjugated with epidermal growth factor and gadolinium for precision delivery of contrast agents in magnetic resonance imaging
Suélio M. Queiroz, Thaís S. Veriato, Leandro Raniero, Maiara L. Castilho
Deep learning-based attenuation correction method in 99mTc-GSA SPECT/CT hepatic imaging: a phantom study
Masahiro Miyai, Ryohei Fukui, Masahiro Nakashima, Sachiko Goto
Evaluation of patient radiation dose and risk of cancer from CT examinations
Saowapark Poosiri, Anchali Krisanachinda, Kitiwat Khamwan
Evaluation of deep learning reconstruction on diffusion-weighted imaging quality and apparent diffusion coefficient using an ice-water phantom
Tatsuya Hayashi, Shinya Kojima, Toshimune Ito, Norio Hayashi, Hiroshi Kondo, Asako Yamamoto, Hiroshi Oba
Development of an individual display optimization system based on deep convolutional neural network transition learning for somatostatin receptor scintigraphy
Shun Matsumoto, Yuki Nakahara, Teppei Yonezawa, Yuto Nakamura, Masahiro Tanabe, Mayumi Higashi, Junji Shiraishi
Half-value layer measurements using solid-state detectors and single-rotation technique with lead apertures in spiral computed tomography with and without a tin filter
Atsushi Fukuda, Nao Ichikawa, Takuma Hayashi, Ayaka Hirosawa, Kosuke Matsubara
Efficient quality assurance for isocentric stability in stereotactic body radiation therapy using machine learning
Sana Salahuddin, Saeed Ahmad Buzdar, Khalid Iqbal, Muhammad Adeel Azam, Lidia Strigari
Verifying institutionally developed hybrid 3D-printed coaxial cylindrical phantom for patient-specific quality assurance in stereotactic body radiation therapy of hepatocellular carcinoma
M. P. Arun Krishnan, M. Ummal Momeen
Validating computer applications for calculating spatial resolution and noise property in CT using simulated images with known properties
Takeshi Inoue, Katsuhiro Ichikawa, Takanori Hara, Kazuya Ohashi, Kazuhiro Sato, Hiroki Kawashima
The effects of mega-voltage CT scan parameters on offline adaptive radiation therapy
Kento Hoshida, Ayumu Ohishi, Asumi Mizoguchi, Sunao Ohkura, Hidemichi Kawata
Assessment of dosimetric approaches in evaluating radiation exposure for interventional cardiologists in Sri Lanka
Sachini Udara Wickramasinghe, Vijitha Ramanathan, Sivananthan Sarasanandarajah
Verification of image quality improvement of low-count bone scintigraphy using deep learning
Taisuke Murata, Takuma Hashimoto, Masahisa Onoguchi, Takayuki Shibutani, Takashi Iimori, Koichi Sawada, Tetsuro Umezawa, Yoshitada Masuda, Takashi Uno
Investigation of ionization chamber perturbation factors using proton beam and Fano cavity test for the Monte Carlo simulation code PHITS
Yuya Nagake, Keisuke Yasui, Hiromu Ooe, Masaya Ichihara, Kaito Iwase, Toshiyuki Toshito, Naoki Hayashi
Directional vector visualization of scattered rays in mobile c-arm fluoroscopy
Kyoko Hizukuri, Toshioh Fujibuchi, Hiroyuki Arakawa
The montage method improves the classification of suspected acute ischemic stroke using the convolution neural network and brain MRI
Daisuke Oura, Masayuki Gekka, Hiroyuki Sugimori
The effect of a pre-reconstruction process in a filtered back projection reconstruction on an image quality of a low tube voltage computed tomography
Masaki Takemitsu, Shohei Kudomi, Kazuki Takegami, Takuya Uehara
Development of an open project rectangular collimator for use with intraoral dental X-ray unit
Marina C. Poletto, Eduardo Thomazi, Janete E. Zorzi, Thiago O. Gamba, Cláudio A. Perottoni
Evaluation of attenuation correction method for head holder in brain perfusion single-photon emission computed tomography
Masahiro Nakashima, Yuta Yamazaki
Improving the depiction of small intracranial vessels in head computed tomography angiography: a comparative analysis of deep learning reconstruction and hybrid iterative reconstruction
Makoto Ozaki, Shota Ichikawa, Masaaki Fukunaga, Hiroyuki Yamamoto
Knowledge-based model building for treatment planning for prostate cancer using commercial treatment planning quality assurance software tools
Nagi Masumoto, Motoharu Sasaki, Yuji Nakaguchi, Takeshi Kamomae, Yuki Kanazawa, Hitoshi Ikushima