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Driver State Detection Based on Cardiovascular System and Driver Reaction Information Using a Graphical Model

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Journal of Transportation Technologies 2021年第2期11卷 139-156页

作者： Thanh Tung Nguyen hirofumi aoki Anh Son Le Hirano Akio Kunimoto aoki Makoto Inagami Tatsuya Suzuki Graduate School of Engineering Nagoya University Nagoya Japan Institute of Innovation for Future Society Nagoya University Nagoya Japan

Traffic accidents are mainly caused by human error. In an aging society, the number of accidents attributed to elderly drivers is increasing. One noteworthy reason for this is operation misapplication. Studies have been conducted on the use of human-machine interfaces (HMIs) to inform the driver when he or she makes an error and encourage appropriate actions. However, the driver state during the erroneous action has not been investigated. The purpose of this study is to clarify the difference in the driver’s state between normal and surprising situations in a misapplication scenario, utilizing multimodal information such as biometric information and driver operation. We found significant changes in the interaction of components between the normal and the surprised driving state. The results could provide basic knowledge for the future development of a driver assistance system and driver state estimation using data acquired from multiple sensors in the vehicle.

关键词： Human Engineering Driver Behavior Bio-Signal Safety

Preliminary Study for Feasibility of Driver Agent in Actual Car Environment<br/>—Driver Agent for Encouraging Safe Driving Behavior (3)

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Journal of Transportation Technologies 2020年第2期10卷 128-143页

作者： Takahiro Tanaka Kazuhiro Fujikake Yuki Yoshihara Nihan Karatas hirofumi aoki Hitoshi Kanamori Institutes of Innovation for Future Society Nagoya University Nagoya Japan

Japan has become a more aged society and there are more drivers, 65 years of age and above. Cars represent an important mode of transportation for the elderly;however, in recent years, the number of traffic accidents caused by elderly drivers has been on the rise, and this has become a social issue. Thus, for the elderly drivers to encourage them to improve their driving, we study a driver agent system which consists of smartphone, communication robot and cloud service and provides the driving support by attention awakening and the feedback support based on driving behavior evaluation. In this paper, we presented a summary of the proposed agent and reported on a set of preliminary experiments using our agent in an actual car environment. From the analysis of subjective evaluations and fixation points during driving, the results revealed the possibility that the drivers accept the agent and supports from the agent during driving and that the agent in an actual car environment did not distract the driver.

关键词： Driving Support Agent Elderly HMI

Effect of Difference in Form of Driving Support Agent to Driver’s Acceptability<br/>—Driver Agent for Encouraging Safe Driving Behavior (2)

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Journal of Transportation Technologies 2018年第3期8卷 194-208页

作者： Takahiro Tanaka Kazuhiro Fujikake Takashi Yonekawa Makoto Inagami Fumiya Kinoshita hirofumi aoki Hitoshi Kanamori Institutes of Innovation for Future Society Nagoya University Nagoya Japan

In recent years, the number of traffic accidents caused by elderly drivers has increased in Japan. However, a car is an important mode of transportation for the elderly. Therefore, to ensure safe driving, a system that can assist elderly drivers is required. In this study, we propose a driver-agent system that provides support to elderly drivers during and after driving and encourages them to improve their driving. This paper describes the prototype system based on the analysis of the teaching records of a human instructor, and the subjective evaluation of driving support to elderly and non-elderly driver from three different agent forms, a voice, visual, and robot. The result revealed that the robot form is more noticeable, familiar, and acceptable to the elderly and non-elderly than other forms.

关键词： Driving support Agent Elderly

Relationship between Senior Drivers’ Cognitive and Physical Functions and Urban Driving Behaviors during Behind-the-Wheel Driving Education Sessions with Driving Instructors

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Journal of Transportation Technologies 2017年第2期7卷 148-166页

作者： Takashi Yonekawa Takahiro Tanaka hirofumi aoki Misako Yamagishi Yuki Yoshihara Eijiro Takeuchi Issey Takahashi Yoshiki Ninomiya Hitoshi Kanamori Tatsuya Suzuki Makoto Inagami Institute of Innovation for Future Society Nagoya University Nagoya Japan

Recently, traffic accidents caused by elderly drivers have been increasing. It is thought that the reasons of accidents are functions such as decline of eyesight, cognition and physical strength caused by aging. In order to assist safe driving for elderly drivers, it is necessary to sufficiently understand any possible relationship of various senior drivers’ cognition, physical strength and driving behavior. In this paper relationship of elderly driver’s cognition, physical strength and driving behaviors were analyzed using the result of driving instructions on urban road by driving school instructors.

关键词： Human Engineering Elderly Person Driver Characteristics Driving Instruction

Myocardial metastasis from ZEB1-and TWIST-positive spindle cell carcinoma of the esophagus:A case report

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World Journal of Gastroenterology 2024年第11期30卷 1636-1643页

作者： Yoshihiro Shibata hirofumi Ohmura Kazuki Komatsu Kosuke Sagara Atsuji Matsuyama Ryuji Nakano Eishi Baba Department of Medical Oncology Fukuoka Wajiro HospitalFukuoka 811-0213Japan Department of Oncology and Social Medicine Kyushu University Graduate School of Medical SciencesFukuoka 812-8582Japan Department of Pathology and Oncology University of Occupational and Environmental HealthKitakyushu 807-8555Japan Department of Diagnostic Pathology Fukuoka Wajiro HospitalFukuoka 811-0213Japan

BACKGROUND Metastatic cardiac tumors are known to occur more frequently than primary cardiac tumors,however,they often remain asymptomatic and are commonly dis-covered on *** tumors with a relatively high frequency of cardiac metastasis include mesothelioma,melanoma,lung cancer,and breast cancer,whereas reports of esophageal cancer with cardiac metastasis are *** SUMMARY The case of a 60-year-old man who complained of dysphagia is *** gastrointestinal endoscopy showed a submucosal tumor-like elevated lesion in the esophagus causing ***-enhanced computed tomography showed left atrial compression due to the esophageal tumor,multiple liver and lung metastases,and a left pleural *** examination of a biopsy speci-men from the esophageal tumor showed spindle-shaped cells,raising suspicion of esophageal *** disease progressed rapidly,and systemic chemotherapy was deemed necessary,however,due to his poor general condition,adminis-tration of cytotoxic agents was considered *** his high Combined Positive Score,nivolumab was administered,however,the patient soon died from the *** autopsy confirmed spindle cell carcinoma(SCC)of the esophagus and cardiac metastasis with similar histological *** stem cell markers,ZEB1 and TWIST,were positive in both the primary tumor and the cardiac *** To the best of our knowledge,there have been no prior reports of cardiac metastasis of esophageal *** case highlights our experience with a patient with esophageal SCC who progressed rapidly and died from the disease,with the autopsy examination showing cardiac metastasis.

关键词： Spindle cell carcinoma Esophagus Myocardial metastasis Epithelial-mesenchymal transition Case report

11C－羟基麻黄碱PET显像预测左心室功能不全日本患者的全因死亡率（死亡风险）

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中华核医学与分子影像杂志 2017年第5期 318-319页

作者： Wataru Fujita Ichiro Matsunari hirofumi aoki Stephan G. Nekolla Kouji Kajinami The Medical and Pharmacological Research Center Foundation, Ishikawa, Japan Division of Nuclear Medicine, Department of Radiology, Saitama Medical University Hospital, Iruma, Japan Division of Nuclear Medicine Department of RadiologySaitama Medical University Hospital The Medical and Pharmacological Research Center Foundation 华中科技大学同济医学院附属协和医院核医学科

目的研究旨在确定11C-羟基麻黄碱(11C-HED)是否可以预测左心室功能不全日本患者包括死亡在内的不良事件。虽然11C-HED PET已被用于评估各种疾病状况下的心脏交感神经支配状况, 但其预后价值方面的数据仍然有限。方法 60例左室功能不全... 详细信息

目的研究旨在确定11C-羟基麻黄碱(11C-HED)是否可以预测左心室功能不全日本患者包括死亡在内的不良事件。虽然11C-HED PET已被用于评估各种疾病状况下的心脏交感神经支配状况, 但其预后价值方面的数据仍然有限。方法 60例左室功能不全患者被纳入本研究(平均LVEF为42%±14%), 其中42例为缺血性心脏病, 18例为非缺血性心脏病。所有患者均接受11C-HED PET检查。通过11C-HED PET显像计算心肌滞留指数作为心脏交感神经元完整性的指标。使用Cox比例风险回归模型和对数秩检验进行统计分析。结果在平均(33±23)个月的随访期间, 共发生13例死亡(7例心源性死亡、6例非心源性死亡)。与未死亡患者相比, 死亡患者11C-HED滞留明显减低(7.1±2.1和9.0±2.4, P=0.015)。单位时间(min-1)心脏整体11C-HED滞留的风险比为0.762(P=0.039), 其在多元分析中有统计学意义。当将患者分为高(≥8.5)和低(<8.5)11C-HED滞留组时, 低11C-HED滞留组与高11C-HED滞留组相比, 其存活率明显降低(P=0.004)。结论左心室功能不全患者中, 心脏整体11C-HED滞留较低是总体生存率较差的预测指标。

关键词：神经系统放射性同位素交感神经体层摄影术

Lithium Ion Transport Environment by Molecular Vibrations in Ion-Conducting Glasses

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Energy & Environmental Materials 2024年第03期7卷 137-146页

作者： Hiroki Yamada Koji Ohara Satoshi Hiroi Atsushi Sakuda Kazutaka lkeda Takahiro Ohkubo Kengo Nakada hirofumi Tsukasaki Hiroshi Nakajimai Laszlo Temleitner Laszlo Pusztai Shunsuke Ariga Aoto Matsuo Jiong Ding Takumi Nakano Takuya Kimura Ryo Kobayashi Takeshi Usuki Shuta Tahara Koji Amezawa Yoshitaka Tateyama Shigeo Mori Akitoshi Hayashi Diffraction and Scattering Division Japan Synchrotron Radiation Research Institute((JASRI) Faculty of Materials for Energy Shimane University Department of Applied Chemistry Graduate School of EngineeringOsaka Metropolitan University Institute of Materials Structure Science High Energy Accelerator Research Organization (KEK) Graduate School of Engineering Chiba University Department of Materials Science Graduate School of EngineeringOsaka Metropolitan University Wigner Research Centre for Physics International Research Organisation of Advanced Science and Technology (IROAST) Kumamoto University Department of Applied Physics Nagoya Institute of Technology Faculty of Science Yamagata University Faculty of Science University of the Ryukyus Institute of Multidisciplinary Research for Advanced Materials Tohoku University Center for Green Research on Energy and Environmental Materials (GREEN) and International Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science(NIMS)

Controlling Li ion transport in glasses at atomic and molecular levels is key to realizing all-solid-state batteries,a promising technology for electric *** this context,Li3PS4glass,a promising solid electrolyte candidate,exhibits dynamic coupling between the Li+cation mobility and the PS43-anion libration,which is commonly referred to as the paddlewheel *** addition,it exhibits a concerted cation diffusion effect （i.e.,a cation-cation interaction）,which is regarded as the essence of high Li ion ***,the correlation between the Li+ions within the glass structure can only be vaguely determined,due to the limited experimental information that can be ***,this study reports that the Li ions present in glasses can be classified by evaluating their valence oscillations via Bader analysis to topologically analyze the chemical *** is found that three types of Li ions are present in Li3PS4glass,and that the more mobile Li ions （i.e.,the Li3-type ions） exhibit a characteristic correlation at relatively long distances of 4.0-5.0?.Furthermore,reverse Monte Carlo simulations combined with deep learning potentials that reproduce X-ray,neutron,and electron diffraction pair distribution functions showed an increase in the number of Li3-type ions for partially crystallized glass structures with improved Li ion transport *** results show order within the disorder of the Li ion distribution in the glass by a topological analysis of their ***,considering the molecular vibrations in the glass during the evaluation of the Li ion valences is expected to lead to the development of new solid electrolytes.

关键词： electrolytes ionic conductors modeling molecular dynamics

Driver State Detection Based on Cardiovascular System and Driver Reaction Information Using a Graphical Model

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An Inverse Laplace Transform on Lattice Spacing

Journal of Transportation Technologies（交通科技期刊） 2021年第2期

作者： Thanh Tung Nguyen hirofumi aoki Anh Son Le Hirano Akio Kunimoto aoki Makoto Inagami Tatsuya Suzuki

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Chinese Physics Letters 2013年第3期30卷 32-35页

作者： hirofumi Yamada Division of Mathematics and Science Chiba Institute of TechnologyShibazono 2-1-1NarashinoChiba 275-0023Japan

An inverse Laplace transform on lattice spacing is introduced as a computational framework of the extrapolation of the strong coupling expansion to the scaling *** apply the transform to the two-dimensional nonlinear O(N)model at N≥3 and show that the approximation of the continuum limit of the susceptibility agrees with the existing theoretical and Monte Carlo data.

关键词： apply spacing susceptibility