Search Results - "Haga, Akihiro"
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A Deep Learning Approach for Assessment of Regional Wall Motion Abnormality From Echocardiographic Images
Published in JACC. Cardiovascular imaging (01-02-2020)“…This study investigated whether a deep convolutional neural network (DCNN) could provide improved detection of regional wall motion abnormalities (RWMAs) and…”
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Utilization of Artificial Intelligence in Echocardiography
Published in Circulation Journal (25-07-2019)“…Echocardiography has a central role in the diagnosis and management of cardiovascular disease. Precise and reliable echocardiographic assessment is required…”
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Fine structural human phantom in dentistry and instance tooth segmentation
Published in Scientific reports (02-06-2024)“…In this study, we present the development of a fine structural human phantom designed specifically for applications in dentistry. This research focused on…”
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Automatic contour segmentation of cervical cancer using artificial intelligence
Published in Journal of radiation research (01-09-2021)“…Abstract In cervical cancer treatment, radiation therapy is selected based on the degree of tumor progression, and radiation oncologists are required to…”
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Computed tomography image representation using the Legendre polynomial and spherical harmonics functions
Published in Radiological physics and technology (01-03-2021)“…The representation of computed tomography (CT) images using the Legendre polynomial (LPF) and spherical harmonics (SHF) functions was investigated. We selected…”
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Standardization of imaging features for radiomics analysis
Published in The Journal of Medical Investigation (15-02-2019)“…Radiomics has the potential to provide tumor characteristics with noninvasive and repeatable way. The purpose of this paper is to evaluate the standardization…”
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Gradient boosting decision tree becomes more reliable than logistic regression in predicting probability for diabetes with big data
Published in Scientific reports (11-10-2022)“…We sought to verify the reliability of machine learning (ML) in developing diabetes prediction models by utilizing big data. To this end, we compared the…”
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Deep Learning for Assessment of Left Ventricular Ejection Fraction from Echocardiographic Images
Published in Journal of the American Society of Echocardiography (01-05-2020)Get full text
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Radiomics analysis of [18F]-fluoro-2-deoxyglucose positron emission tomography for the prediction of cervical lymph node metastasis in tongue squamous cell carcinoma
Published in Oral radiology (01-01-2023)“…Objectives This study aimed to create a predictive model for cervical lymph node metastasis (CLNM) in patients with tongue squamous cell carcinoma (SCC) based…”
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Radiomics Analysis for Glioma Malignancy Evaluation Using Diffusion Kurtosis and Tensor Imaging
Published in International journal of radiation oncology, biology, physics (15-11-2019)“…A noninvasive diagnostic method to predict the degree of malignancy accurately would be of great help in glioma management. This study aimed to create a highly…”
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Evaluation of a commercial automatic treatment planning system for prostate cancers
Published in Medical dosimetry : official journal of the American Association of Medical Dosimetrists (2017)“…Abstract Recent developments in Radiation Oncology treatment planning have led to the development of software packages that facilitate automated…”
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Cone Beam Computed Tomography Image Quality Improvement Using a Deep Convolutional Neural Network
Published in Curēus (Palo Alto, CA) (29-04-2018)“…Introduction Cone beam computed tomography (CBCT) plays an important role in image-guided radiation therapy (IGRT), while having disadvantages of severe…”
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A novel CT-based radiomics model for predicting response and prognosis of chemoradiotherapy in esophageal squamous cell carcinoma
Published in Scientific reports (23-01-2024)“…No clinically relevant biomarker has been identified for predicting the response of esophageal squamous cell carcinoma (ESCC) to chemoradiotherapy (CRT)…”
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Estimation of X-ray Energy Spectrum of Cone-Beam Computed Tomography Scanner Using Percentage Depth Dose Measurements and Machine Learning Approach
Published in Journal of the Physical Society of Japan (15-07-2021)“…This study presents, for the first time, a method to indirectly estimate the cone-beam computed tomography (CBCT) x-ray spectrum in the diagnostic energy range…”
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Influence of distant scatterer on air kerma measurement in the evaluation of diagnostic X-rays using Monte Carlo simulation
Published in Radiological physics and technology (01-12-2021)“…The evaluation of the entrance surface dose (ESD) ensures safe radiation doses for X-ray imaging patients. The air kerma free-in-air value used to estimate ESD…”
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Prediction of malignant glioma grades using contrast-enhanced T1-weighted and T2-weighted magnetic resonance images based on a radiomic analysis
Published in Scientific reports (19-12-2019)“…We conducted a feasibility study to predict malignant glioma grades via radiomic analysis using contrast-enhanced T1-weighted magnetic resonance images…”
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Physical density estimations of single- and dual-energy CT using material-based forward projection algorithm: a simulation study
Published in British journal of radiology (01-12-2021)“…This study aims to evaluate the accuracy of physical density prediction in single-energy CT (SECT) and dual-energy CT (DECT) by adapting a fully…”
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Causal relations of health indices inferred statistically using the DirectLiNGAM algorithm from big data of Osaka prefecture health checkups
Published in PloS one (23-12-2020)“…Causal relations among many statistical variables have been assessed using a Linear non-Gaussian Acyclic Model (LiNGAM). Using access to large amounts of…”
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