Quantitative Evaluation of Vitreous Opacities Using Motion Video Through Slit-Lamp Examination
Shota Furukawa*1,, Wakana Matsui*2, Noriaki Suetake*2, Eiji Uchino*2,*3, Chiemi Yamashiro*4, Ryu Takabatake*5, Makiko Takahashi*5, and Kazuhiro Kimura*4
*1National Institute of Technology, Kagoshima College
1460-1 Shinko, Hayato, Kirishima, Kagoshima 899-5193, Japan
*2Graduate School of Science and Technology for Innovation, Yamaguchi University
1677-1 Yoshida, Yamaguchi, Yamaguchi 753-8512, Japan
*3Fuzzy Logic Systems Institute
680-41 Kawazu, Iizuka, Fukuoka 820-0067, Japan
*4Department of Ophthalmology, Graduate School of Medicine, Yamaguchi University
1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
*5Takabatake Nishi Ganka
138-101 Tanaka, Kita, Okayama, Okayama 700-0951, Japan
This study proposed a quantitative evaluation method for vitreous opacities using motion video. The proposed method focused on moving turbidity in the vitreous. The moving turbidity appeared as an inter-frame difference, which was calculated from two consecutive frames. Therefore, the degree of vitreous opacity was estimated using this inter-frame difference. The proposed method was applied in the experiments to actual motion videos obtained using slit-lamp examination. The effectiveness of method was confirmed using the t-test and linear discriminant method.
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