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  1. No Access

    Chapter and Conference Paper

    Non-contact Respiration Monitoring Method for Screening Sleep Respiratory Disturbance Using Slit Light Pattern Projection

    We proposed the respiration monitoring method with non-contact and unrestraint, applied the projection of the near-infrared multiple slit-light pattern. In the respiration monitoring method, the shift length o...

    Hirooki Aoki, Kohji Koshiji in World Congress on Medical Physics and Biom… (2007)

  2. No Access

    Chapter and Conference Paper

    Consideration by Numerical Analysis on Electrical Bio-Impedance Method for Estimating Subcutaneous Fat Thickness

    We carried out the numerical analysis by Finite Difference Method (FDM) in order to examine fat thickness measurement for applying electrical bio-impedance method. Recently, increase of obese subject becomes l...

    Makoto Kinoshita, Hirooki Aoki… in World Congress on Medical Physics and Biom… (2007)

  3. No Access

    Chapter and Conference Paper

    Proposal on Nonrestraint Pulmonary Function Test Using Active 3D Measurement for Body Surface

    We propose a new nonrestraint pulmonary function test using the dot matrix pattern projection. In the pulmonary function test, the function of respiratory gas exchange and air infiltration is examined. The pul...

    Yuya Mizobe, Hirooki Aoki, Kohji Koshiji in World Congress on Medical Physics and Biom… (2007)

  4. No Access

    Article

    Investigation of unifying transcutaneous transformer for transmission of energy and information

    When patients are fitted with a totally implantable artificial heart (TAH), they need to be implanted with two additional devices: one for the transmission of energy and one for information. However, this is a...

    Nozomi Tamura, Takahiko Yamamoto, Hirooki Aoki… in Journal of Artificial Organs (2009)

  5. No Access

    Chapter and Conference Paper

    Extraction and Visualization of Cardiac Beat by Grid-Based Active Stereo

    We propose a method to observe cardiac beat from 3D shape information of body surface by using grid-based active stereo, and report preliminary experiments to evaluate validities of the proposed method. By com...

    Hirooki Aoki, Ryo Furukawa, Masahito Aoyama… in Advances in Depth Image Analysis and Appli… (2013)

  6. No Access

    Chapter and Conference Paper

    Study on Non-contact Heart Beat Measurement Method by Using Depth Sensor

    For the purpose of simple observation of the mechanical phenomenon of the heart, we propose a new non-contact heartbeat measurement using a depth sensor. The depth sensor is an image sensor applying infrared l...

    Hirooki Aoki, Atsushi Suzuki, Tsuyoshi Shiga in World Congress on Medical Physics and Biom… (2019)

  7. No Access

    Chapter and Conference Paper

    Geometric Data Calculation of Plants Using Three-Dimensional Scan with Depth Sensor

    The author has developed a system to evaluate plant growth of quantitative geometrical data, such as stem height, leaf area and fruit volume of the plant by three-dimensional scan using depth sensor. In the pr...

    Hirooki Aoki in Proceedings of the Seventh Asia International Symposium on Mechatronics (2020)