Masatsugu Niwayama

Quantitative measurement of muscle hemoglobin oxygenation using near-infrared spectroscopy with correction for the influence of a subcutaneous fat layer

Masatsugu Niwayama, Ling Lin, Jun Shao et al. · Review of Scientific Instruments · 2000 · 93 citations

Subcutaneous Fat Layer, Biomedical Engineering, Fat Layer +27

Examiner’s finger-mounted fetal tissue oximetry

Naohiro Kanayama, Masatsugu Niwayama · Journal of Biomedical Optics · 2014 · 28 citations · Full text

Neonatology, New Tissue Oximeter, Fetal Medicine +19

A 200-Channel Imaging System of Muscle Oxygenation Using CW Near-Infrared Spectroscopy

Masatsugu Niwayama, Katsuyuki Yamamoto, Daisuke Kohata et al. · IEICE Transactions on Information and Systems · 2002 · 27 citations

Engineering, Medical Biophysics, Medical Imaging +10

Error Factors in Oxygenation Measurement Using Continuous Wave and Spatially Resolved Near-infrared Spectroscopy

Masatsugu Niwayama, Hiroshi Suzuki, Takayuki Yamashita et al. · The Journal of Japanese College of Angiology · 2012 · 26 citations · Full text

Engineering, Measurement, Biomedical Engineering +19

<title>Accurate NIRS measurement of muscle oxygenation by correcting the influence of a subcutaneous fat layer</title>

Katsuyuki Yamamoto, Masatsugu Niwayama, Ling Lin et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1998 · 26 citations

Subcutaneous Fat Layer, Muscle Oxygenation, Tissue Oxygenation Measurement +19