SCI Abstract

search
+
Optimum delineation of skin structure for dose calculation with the linear Boltzmann transport equation algorithm in radiotherapy treatment planning
Optimum delineation of skin structure for dose calculation with the linear Boltzmann transport equation algorithm in radiotherapy treatment planning
This study investigated the effectiveness of placing skin-ring structures to enhance the precision of skin dose calculatio...
Assessing knowledge about medical physics in language-generative AI with large language model: using the medical physicist exam
Assessing knowledge about medical physics in language-generative AI with large language model: using the medical physicist exam
This study aimed to evaluate the performance for answering the Japanese medical physicist examination and providing the be...
A novel internal target volume definition based on velocity and time of respiratory target motion for external beam radiotherapy
A novel internal target volume definition based on velocity and time of respiratory target motion for external beam radiotherapy
This study aimed to develop a novel internal target volume (ITV) definition for respiratory motion targets, considering ta...
An updated overview of radiomics-based artificial intelligence (AI) methods in breast cancer screening and diagnosis
An updated overview of radiomics-based artificial intelligence (AI) methods in breast cancer screening and diagnosis
Current imaging methods for diagnosing breast cancer (BC) are associated with limited sensitivity and specificity and mode...
Effect of frame rate on image quality in cardiology evaluated using an indirect conversion dynamic flat-panel detector
Effect of frame rate on image quality in cardiology evaluated using an indirect conversion dynamic flat-panel detector
To verify the effect of the frame rate on image quality in cardiology, we used an indirect conversion dynamic flat-panel d...
LIT-Unet: a lightweight and effective model for medical image segmentation
LIT-Unet: a lightweight and effective model for medical image segmentation
This study aimed to design a simple and efficient automatic segmentation model for medical images, so as to facilitate doc...
The effect on gastrointestinal peristalsis for magnetic resonance cholangiopancreatography during breath-holding methods
The effect on gastrointestinal peristalsis for magnetic resonance cholangiopancreatography during breath-holding methods
The breath-hold (BH) 3D magnetic resonance cholangiopancreatography method has been reported to suppress “respirator...
Evaluation of patient-specific quality assurance for fractionated stereotactic treatment plans with 6 and 10MV photon beams in beam-matched linacs
Evaluation of patient-specific quality assurance for fractionated stereotactic treatment plans with 6 and 10MV photon beams in beam-matched linacs
Beam-matched linear accelerators (LA’s) require accurate and precise dosimetry for fractionated stereotactic treatme...
Optimization of image reconstruction technique for respiratory-gated lung stereotactic body radiotherapy treatment planning using four-dimensional CT: a phantom study
Optimization of image reconstruction technique for respiratory-gated lung stereotactic body radiotherapy treatment planning using four-dimensional CT: a phantom study
Patient respiration is characterized by respiratory parameters, such as cycle, amplitude, and baseline drift. In treatment...
Visualization of X-ray fields, overlaps, and over-beaming on surface of the head in spiral computed tomography using computer-aided design-based X-ray beam modeling
Visualization of X-ray fields, overlaps, and over-beaming on surface of the head in spiral computed tomography using computer-aided design-based X-ray beam modeling
To visualize the X-ray fields, overlaps, and over-beaming on the skin surface during spiral head CT scanning. The measured...
Deep learning-based approach for acquisition time reduction in ventilation SPECT in patients after lung transplantation
Deep learning-based approach for acquisition time reduction in ventilation SPECT in patients after lung transplantation
We aimed to evaluate the image quality and diagnostic performance of chronic lung allograft dysfunction (CLAD) with lung v...
Anomaly detection scheme for lung CT images using vector quantized variational auto-encoder with support vector data description
Anomaly detection scheme for lung CT images using vector quantized variational auto-encoder with support vector data description
This study aims to develop an anomaly-detection scheme for lesions in CT images. Our database consists of lung CT images o...
Optimization of image shoot timing for cerebral veins 3D-digital subtraction angiography by interventional angiography systems
Optimization of image shoot timing for cerebral veins 3D-digital subtraction angiography by interventional angiography systems
3D-digital subtraction angiography (3D-DSA) is essential for understanding the anatomical structure of cerebral veins, cru...
Effectiveness of the air-gap method for reducing radiation dose in neonate CT examinations
Effectiveness of the air-gap method for reducing radiation dose in neonate CT examinations
The air-gap method is a technique employed to control dose distribution and radiation scattering in medical imaging. By in...
Pulsation artifact reduction using compressed sensitivity encoding in Gd-EOB-DTPA contrast-enhanced magnetic resonance imaging
Pulsation artifact reduction using compressed sensitivity encoding in Gd-EOB-DTPA contrast-enhanced magnetic resonance imaging
In Gd-EOB-DTPA-enhanced MRI, cardiac pulsation artifacts in the left lobe often hinder diagnosis, the image quality need t...
Comprehensive image quality comparison of conventional and new flat panel detectors under bedside chest radiography beam conditions
Comprehensive image quality comparison of conventional and new flat panel detectors under bedside chest radiography beam conditions
Recently, a novel wireless flat-panel detector with auto-exposure control has become available. This study aimed to elucid...
Evaluation of dose distributions and respiratory motion tolerance for layer-stacking conformal carbon-ion radiotherapy
Evaluation of dose distributions and respiratory motion tolerance for layer-stacking conformal carbon-ion radiotherapy
While layer-stacking irradiation provides a conformal dose distribution, it is vulnerable to respiratory motion. Consideri...
Cameron’s impact on space biomedical sciences—expanding insights to Ng and Doi’s article
Cameron’s impact on space biomedical sciences—expanding insights to Ng and Doi’s article
Ng KH, Doi K. John Roderick Cameron: scientist, teacher, mentor, inventor, and philanthropist extraordinaire. Radiol Phys ...
A deep-learning-based scatter correction with water equivalent path length map for digital radiography
A deep-learning-based scatter correction with water equivalent path length map for digital radiography
We proposed a new deep learning (DL) model for accurate scatter correction in digital radiography. The proposed network fe...
Simulation of time–intensity curve based on k-space filling in breast dynamic contrast-enhanced three-dimensional magnetic resonance imaging
Simulation of time–intensity curve based on k-space filling in breast dynamic contrast-enhanced three-dimensional magnetic resonance imaging
This study elucidated the effects of a three-dimensional k-space trajectory incorporating the partial Fourier (PF) techniq...
Assessment of the deep learning-based gamma passing rate prediction system for 1.5 T magnetic resonance-guided linear accelerator
Assessment of the deep learning-based gamma passing rate prediction system for 1.5 T magnetic resonance-guided linear accelerator
Measurement-based verification is impossible for the patient-specific quality assurance (QA) of online adaptive magnetic r...
Monte carlo simulation study on the dose and dose-averaged linear energy transfer distributions in carbon ion radiotherapy
Monte carlo simulation study on the dose and dose-averaged linear energy transfer distributions in carbon ion radiotherapy
Dose-averaged linear energy transfer (LETd) is conventionally evaluated from the relative biological effectiveness (RBE)-L...
New liver window width in detecting hepatocellular carcinoma on dynamic contrast-enhanced computed tomography with deep learning reconstruction
New liver window width in detecting hepatocellular carcinoma on dynamic contrast-enhanced computed tomography with deep learning reconstruction
Changing a window width (WW) alters appearance of noise and contrast of CT images. The aim of this study was to investigat...
Verification of image quality improvement by deep learning reconstruction to 1.5 T MRI in T2-weighted images of the prostate gland
Verification of image quality improvement by deep learning reconstruction to 1.5 T MRI in T2-weighted images of the prostate gland
This study aimed to evaluate whether the image quality of 1.5 T magnetic resonance imaging (MRI) of the prostate ...
Development of a body movement detection system to avoid re-exposure during radiography
Development of a body movement detection system to avoid re-exposure during radiography
During the radiographic examination of the chest and bones in hospitals, communicating and maintaining posture is difficul...
Air inflow into vacuum-type immobilization devices impacts setup errors
Air inflow into vacuum-type immobilization devices impacts setup errors
We aimed to determine the impact of air inflow into vacuum-type immobilization devices (VIDs) on setup errors. We assigned...
Data analysis of average glandular dose in mammography toward revision of the diagnostic reference level of Japan
Data analysis of average glandular dose in mammography toward revision of the diagnostic reference level of Japan
Diagnostic reference level (DRL) for mammography for 2015 and 2020 has been published by J-RIME. More new dose studies are...
Enhanced radio-photodynamic therapy potential of advanced gold-based nanoclusters for breast cancer treatment
Enhanced radio-photodynamic therapy potential of advanced gold-based nanoclusters for breast cancer treatment
The purpose of current study was to assess the impact of ALA-coated gold nanoclusters (Au NPs) on the combined therapeutic...
Visualization of distribution in the vitreous cavity via eye drops using ultra-heavily T2-weighted sequences in MRI: a preliminary study with enucleated pig eyes
Visualization of distribution in the vitreous cavity via eye drops using ultra-heavily T2-weighted sequences in MRI: a preliminary study with enucleated pig eyes
We investigated whether magnetic resonance imaging can visualize the distribution in the vitreous cavity via eye drops of ...
Clinical application of single-shot fast spin-echo sequence for cerebrospinal fluid flow MR imaging
Clinical application of single-shot fast spin-echo sequence for cerebrospinal fluid flow MR imaging
In normal-pressure hydrocephalus, disturbances in cerebrospinal fluid (CSF) circulation occur; therefore, understanding CS...
Load More
format_indent_increase