Search Results - "Haga, Akihiro"

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    A Deep Learning Approach for Assessment of Regional Wall Motion Abnormality From Echocardiographic Images by Kusunose, Kenya, Abe, Takashi, Haga, Akihiro, Fukuda, Daiju, Yamada, Hirotsugu, Harada, Masafumi, Sata, Masataka

    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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    Journal Article
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    Utilization of Artificial Intelligence in Echocardiography by Kusunose, Kenya, Haga, Akihiro, Abe, Takashi, Sata, Masataka

    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 by Takeya, Atsushi, Watanabe, Keiichiro, Haga, Akihiro

    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 by Kano, Yosuke, Ikushima, Hitoshi, Sasaki, Motoharu, Haga, Akihiro

    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 by Shimomura, Taisei, Haga, Akihiro

    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 by Haga, Akihiro, Takahashi, Wataru, Aoki, Shuri, Nawa, Kanabu, Yamashita, Hideomi, Abe, Osamu, Nakagawa, Keiichi

    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 by Seto, Hiroe, Oyama, Asuka, Kitora, Shuji, Toki, Hiroshi, Yamamoto, Ryohei, Kotoku, Jun’ichi, Haga, Akihiro, Shinzawa, Maki, Yamakawa, Miyae, Fukui, Sakiko, Moriyama, Toshiki

    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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    Radiomics analysis of [18F]-fluoro-2-deoxyglucose positron emission tomography for the prediction of cervical lymph node metastasis in tongue squamous cell carcinoma by Kudoh, Takaharu, Haga, Akihiro, Kudoh, Keiko, Takahashi, Akira, Sasaki, Motoharu, Kudo, Yasusei, Ikushima, Hitoshi, Miyamoto, Youji

    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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    Cone Beam Computed Tomography Image Quality Improvement Using a Deep Convolutional Neural Network by Kida, Satoshi, Nakamoto, Takahiro, Nakano, Masahiro, Nawa, Kanabu, Haga, Akihiro, Kotoku, Jun'ichi, Yamashita, Hideomi, Nakagawa, Keiichi

    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 by Kasai, Akinari, Miyoshi, Jinsei, Sato, Yasushi, Okamoto, Koichi, Miyamoto, Hiroshi, Kawanaka, Takashi, Tonoiso, Chisato, Harada, Masafumi, Goto, Masakazu, Yoshida, Takahiro, Haga, Akihiro, Takayama, Tetsuji

    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 by Hasegawa, Yu, Haga, Akihiro, Sakata, Dousatsu, Kanazawa, Yuki, Tominaga, Masahide, Sasaki, Motoharu, Imae, Toshikazu, Nakagawa, Keiichi

    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 by Tominaga, Masahide, Nagayasu, Yukari, Sasaki, Motoharu, Furuta, Takuya, Hayashi, Hiroaki, Oita, Masataka, Nishiyama, Yuichi, Haga, Akihiro

    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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    Physical density estimations of single- and dual-energy CT using material-based forward projection algorithm: a simulation study by Li, Kai-Wen, Fujiwara, Daiyu, Haga, Akihiro, Liu, Huisheng, Geng, Li-Sheng

    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 by Kotoku, Jun'ichi, Oyama, Asuka, Kitazumi, Kanako, Toki, Hiroshi, Haga, Akihiro, Yamamoto, Ryohei, Shinzawa, Maki, Yamakawa, Miyae, Fukui, Sakiko, Yamamoto, Keiichi, Moriyama, Toshiki

    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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