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  1. Article

    Open Access

    Flow Density in Optical Coherence Tomography Angiography is Useful for Retinopathy Diagnosis in Diabetic Patients

    Our study evaluated the diagnostic capability of flow density (FD) in OCT angiography (OCTA) for diabetic retinopathy (DR) detection in diabetic patients. We studied 93 eyes of 68 diabetic patients who underwe...

    Yoshihiro Kaizu, Shintaro Nakao, Mitsuru Arima, Takehito Hayami in Scientific Reports (2019)

  2. Chapter and Conference Paper

    Role of Metacognition in Basic Electric Circuit Problem Solving Process

    Metacognitive ability demonstrated in algebra word problem solving for primary school pupil is directly not applicable to more complicated and advanced problem solving such as electronic circuit. The aim of th...

    Atsuo Murata, Yukio Ohta, Takehito Hayami in HCI International 2013 - Posters’ Extended… (2013)

  3. Chapter and Conference Paper

    Study on Character Input Methods Using Eye-gaze Input Interface

    Four character input methods for eye-gaze input interface were compared from the viewpoints of input speed, input accuracy, and subjective rating on ease of input and fatigue. Four input methods included (1) I...

    Atsuo Murata, Kazuya Hayashi in Human-Computer Interaction. Interaction Mo… (2013)

  4. Chapter and Conference Paper

    Effectiveness of Automotive Warning System Presented with Multiple Sensory Modalities

    Although it is very important to drive safely by drivers themselves, it is impossible to find drivers who do not make mistakes during driving. Therefore, vehicles should be equipped with a system that automati...

    Atsuo Murata, Michihiro Kanbayashi in Digital Human Modeling and Applications in… (2013)

  5. Chapter and Conference Paper

    Study on Cursor Shape Suitable for Eye-gaze Input System

    The aim of this study was to identify the cursor shape suitable for eye-gaze interfaces. The conventional arrow shape was, irrespective of the number of targets in the display, not suitable for an eye-gaze inp...

    Atsuo Murata, Raku Uetsugi, Takehito Hayami in Human-Computer Interaction. Interaction Mo… (2013)

  6. Chapter and Conference Paper

    Prediction of Drowsy Driving Using Behavioral Measures of Drivers – Change of Neck Bending Angle and Sitting Pressure Distribution

    Recently, in Japan, the percentage of the death toll in traffic accidents due to drowsy driving is the most dominant in all death tolls in traffic accidents. Therefore, it is essential for automotive manufactu...

    Atsuo Murata, Taiga Koriyama, Takuya Endoh in Digital Human Modeling and Applications in… (2013)

  7. Chapter and Conference Paper

    Proposal of Estimation Method of Stable Fixation Points for Eye-gaze Input Interface

    As almost all of existing eye-gaze input devices suffers from fine and frequent shaking of fixation points, an effective and stable estimation method of fixation points has been proposed so that the obtained s...

    Atsuo Murata, Takehito Hayami, Keita Ochi in Human-Computer Interaction. Interaction Mo… (2013)

  8. Chapter and Conference Paper

    Proposal of Automotive 8-directional Warning System That Makes Use of Tactile Apparent Movement

    We proposed a tactile 8-directional warning system which informs drivers of hazardous traffic situations hidden in 8 directions via tactile apparent movement. The effectiveness of the proposed warning system w...

    Atsuo Murata, Susumu Kemori, Makoto Moriwaka in Digital Human Modeling and Applications in… (2013)

  9. No Access

    Article

    The frontal cortex is activated during learning of endoscopic procedures

    To date, several training and evaluation systems for endoscopic surgery have been developed, such as virtual-reality simulators and box trainers. However, despite current advances in these objective assessment...

    Kenoki Ohuchida, Hajime Kenmotsu, Atsuyuki Yamamoto, Kazuya Sawada in Surgical Endoscopy (2009)

  10. No Access

    Article

    The effect of CyberDome, a novel 3-dimensional dome-shaped display system, on laparoscopic procedures

    Laparoscopic surgeons require extended experience of cases to overcome the lack of depth perception on a two-dimensional (2D) display. Although a three-dimensional (3D) display was reported to be useful over t...

    Kenoki Ohuchida, Hajime Kenmotsu in International Journal of Computer Assisted… (2009)