John Roderick Cameron (1922–2005): Scientist, teacher, mentor, inventor, and philanthropist extraordinaire
Authors : Kwan Hoong Ng and Kunio Doi
Content type:Editorial
Published: 12 February 2024 Pages: 1 – 8
Selection of Radiological Physics and Technology Awards 2023
Authors : Nobuyuki Kanematsu, Fujio Araki, Taiga Yamaya
Content type:Editorial
Published: 03 February 2024 Pages: 9 – 10
Possible mechanisms and simulation modeling of FLASH radiotherapy
Authors : Yuta Shiraishi, Yusuke Matsuya, Hisanori Fukunaga
Content type:Research Article
Published: 06 January 2024 Pages: 11 – 23
Deep learning-based PET image denoising and reconstruction: a review
Authors : Fumio Hashimoto, Yuya Onishi, Taiga Yamaya
Content type:Research Article
Published: 06 February 2024 Pages: 24 – 46
Preclinical magnetic resonance imaging and spectroscopy in the fields of radiological technology, medical physics, and radiology
Authors : Shigeyoshi Saito, Junpei Ueda
Content type:Research Article
Published: 14 February 2024 Pages: 47 – 59
Study on the radiofrequency transparency of partial-ring oval-shaped prototype PET inserts in a 3 T clinical MRI system
Authors : Md Shahadat Hossain Akram, Craig S. Levin, Taiga Yamaya
Content type:Research Article
Published: 24 October 2023 Pages: 60 – 70
A spatio-temporal image analysis for growth of indeterminate pulmonary nodules detected by CT scan
Authors : Takaomi Hanaoka, Hisanori Matoba, Mitsuyo Okada
Content type:Research Article
Published: 27 October 2023 Pages: 71 – 82
Task-based assessment of resolution properties of CT images with a new index using deep convolutional neural network
Authors : Aiko Hayashi, Ryohei Fukui, Junji Shiraishi
Content type:Research Article
Published: 06 November 2023 Pages: 83 – 92
Simplified assessment for chemical exchanged saturation transfer (CEST) imaging: local offset frequency and CEST effect
Authors : Daiki Chiba, Yuki Kanazawa, Akihiro Haga
Content type:Research Article
Published: 28 October 2023 Pages: 93 – 102
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
Authors : Tomomi Takenaga, Shouhei Hanaoka. Osamu Abe
Content type:Research Article
Published: 02 November 2023 Pages: 103 – 111
A practical method to simulate realistic reduced-exposure CT images by the addition of computationally generated noise
Authors : Nicholas Mark Gibson, Amy Lee, Martin Bencsik
Content type:Research Article
Published: 13 November 2023 Pages: 112 – 123
Hierarchical approach for pulmonary-nodule identification from CT images using YOLO model and a 3D neural network classifier
Authors : Yashar Ahmadyar, Alireza Kamali-Asl, Habib Zaidi
Content type:Research Article
Published: 18 November 2023 Pages: 124 – 134
Impact of gadolinium concentration and cell oxygen levels on radiobiological characteristics of gadolinium neutron capture therapy technique in brain tumor treatment
Authors : Reza Shamsabadi, Hamid Reza Baghani
Content type:Research Article
Published: 21 November 2023 Pages: 135 – 142
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
Authors : Daimu Fujimoto, Jun Takatsu, Naoto Shikama
Content type:Research Article
Published: 06 November 2023 Pages: 143 – 152
Gold nanoparticles conjugated with epidermal growth factor and gadolinium for precision delivery of contrast agents in magnetic resonance imaging
Authors : Suélio M. Queiroz, Thaís S. Veriato, Maiara L. Castilho
Content type:Research Article
Published: 22 November 2023 Pages: 153 – 164
Deep learning-based attenuation correction method in 99mTc-GSA SPECT/CT hepatic imaging: a phantom study
Authors : Masahiro Miyai, Ryohei Fukui, Sachiko Goto
Content type:Research Article
Published: 30 November 2023 Pages: 165 – 175
Evaluation of patient radiation dose and risk of cancer from CT examinations
Authors : Saowapark Poosiri, Anchali Krisanachinda, Kitiwat Khamwan
Content type:Research Article
Published: 04 December 2023 Pages: 176 – 185
Evaluation of deep learning reconstruction on diffusion-weighted imaging quality and apparent diffusion coefficient using an ice-water phantom
Authors : Tatsuya Hayashi, Shinya Kojima, Hiroshi Oba
Content type:Research Article
Published: 28 December 2023 Pages: 186 – 194
Development of an individual display optimization system based on deep convolutional neural network transition learning for somatostatin receptor scintigraphy
Authors : Shun Matsumoto, Yuki Nakahara, Junji Shiraishi
Content type:Research Article
Published: 02 January 2024 Pages: 195 – 206
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
Authors : Atsushi Fukuda, Nao Ichikawa, Kosuke Matsubara
Content type:Research Article
Published: 21 December 2023 Pages: 207 – 218
Efficient quality assurance for isocentric stability in stereotactic body radiation therapy using machine learning
Authors : Sana Salahuddin, Saeed Ahmad Buzdar, Lidia Strigari
Content type:Research Article
Published: 31 December 2023 Pages: 219 – 229
Verifying institutionally developed hybrid 3D-printed coaxial cylindrical phantom for patient-specific quality assurance in stereotactic body radiation therapy of hepatocellular carcinoma
Authors : M. P. Arun Krishnan, M. Ummal Momeen
Content type:Research Article
Published: 03 January 2024 Pages: 230 – 237
Validating computer applications for calculating spatial resolution and noise property in CT using simulated images with known properties
Authors : Takeshi Inoue, Katsuhiro Ichikawa, Hiroki Kawashima
Content type:Research Article
Published: 10 January 2024 Pages: 238 – 247
The effects of mega-voltage CT scan parameters on offline adaptive radiation therapy
Authors : Kento Hoshida, Ayumu Ohishi, Hidemichi Kawata
Content type:Research Article
Published: 09 February 2024 Pages: 248 – 257
Assessment of dosimetric approaches in evaluating radiation exposure for interventional cardiologists in Sri Lanka
Authors : Sachini Udara Wickramasinghe, Vijitha Ramanathan, Sivananthan Sarasanandarajah
Content type:Research Article
Published: 19 January 2024 Pages: 258 – 268
Verification of image quality improvement of low-count bone scintigraphy using deep learning
Authors : Taisuke Murata, Takuma Hashimoto, Takashi Uno
Content type:Research Article
Published: 10 February 2024 Pages: 269 – 279
Investigation of ionization chamber perturbation factors using proton beam and Fano cavity test for the Monte Carlo simulation code PHITS
Authors : Yuya Nagake, Keisuke Yasui, Naoki Hayashi
Content type:Research Article
Published: 23 January 2024 Pages: 280 – 287
Directional vector visualization of scattered rays in mobile c-arm fluoroscopy
Authors : Kyoko Hizukuri, Toshioh Fujibuchi, Hiroyuki Arakawa
Content type:Research Article
Published: 05 Febuary 2024 Pages: 288 – 296
The montage method improves the classification of suspected acute ischemic stroke using the convolution neural network and brain MRI
Authors : Daisuke Oura, Masayuki Gekka, Hiroyuki Sugimori
Content type:Technical Note
Published: 07 November 2023 Pages: 297– 305
The effect of a pre-reconstruction process in a filtered back projection reconstruction on an image quality of a low tube voltage computed tomography
Authors : Masaki Takemitsu, Shohei Kudomi, Takuya Uehara
Content type:Technical Note
Published: 15 December 2023 Pages: 306 – 314
Development of an open project rectangular collimator for use with intraoral dental X-ray unit
Authors : Marina C. Poletto, Eduardo Thomazi, Cláudio A. Perottoni
Content type:Technical Note
Published: 24 January 2024 Pages: 315– 321
Evaluation of attenuation correction method for head holder in brain perfusion single-photon emission computed tomography
Authors : Masahiro Nakashima, Yuta Yamazaki
Content type:Technical Note
Published: 09 February 2024 Pages: 322 – 328
Improving the depiction of small intracranial vessels in head computed tomography angiography: a comparative analysis of deep learning reconstruction and hybrid iterative reconstruction
Authors : Makoto Ozaki, Shota Ichikawa, Hiroyuki Yamamoto
Content type:Technical Note
Published: 28 October 2023 Pages: 329 – 336
Knowledge-based model building for treatment planning for prostate cancer using commercial treatment planning quality assurance software tools
Authors : Nagi Masumoto, Motoharu Sasaki, Hitoshi Ikushima
Content type:Clinical Technique
Published: 08 November 2023 Pages: 337 – 345