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4 papers
Bonding charge distribution analysis of molecule by computation of interatomic charge penetration
Yong-U Ri, Young-Hui Pyon, Kye-Ryong Sin
Charge transfer among individual atoms in a molecule is the key concept in the modern electronic theory of chemical bonding. In this work, we defined an atomic region between two a…
Determination of Oxygen Saturation and Photoplethysmogram from Near Infrared Scattering Images
Yong-U Ri, Young-Hui Pyon, Kye-Ryong Sin
The near infrared scattering images of human muscle include some information on bloodstream and hemoglobin concentration according to skin depth and time. This paper addressed a me…
Relative Distribution of Water Clusters at Temperature (300-3000K) and Pressure (1-500MPa)
Yong-U Ri, Chang-Sob Kwak, Kye-Ryong Sin
At 300-3000K and 1-500MPa, variations of relative contents for small water clusters (H2O)n (n=1~6) were calculated by using statistical mechanical methods. First, 9 kinds of small…
Application of the Second-Order Statistics for Estimation of the Pure Spectra of Individual Components from the Visible Hyperspectral Images of Their Mixture
Sung-Ho Jong, Yong-U Ri, Kye-Ryong Sin
The second-order statistics (SOS) can be applied in estimation of the pure spectra of chemical components from the spectrum of their mixture, when SOS seems to be good at estimatio…