Kazuhiko Onuma

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PURPOSE To observe pupil sizes with near and distance vision under different lighting conditions in different Japanese age groups. SETTING Department of Ophthalmology, Tokyo Dental College Suidobashi Hospital, Tokyo, Japan. METHODS Using an open view-type infrared video pupillometer, the horizontal and vertical pupil sizes were measured prospectively(More)
The chemical composition and tissue structure of meats determine the quality of food products. Nondestructive techniques such as magnetic resonance imaging (MRI) are ideal for monitoring meat quality. Meat organization influences the intensity and phase of MR images. In this study, the influence of meat fat content and tenderness on the intensity of MR(More)
Modeling of 3-D Joint Set Interpretation In order to estimate rock joint parameters, such as strikes and dips which geologists often inspect on site andlor calculate through 3-D joint surface recognition by use of stereo-photo system, an image processing algorithm of joint set modeling which simply simulates their interpretation is designed. Comparing(More)
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