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KMID : 1137820130340030135
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의공학회지
2013 Volume.34 No. 3 p.135 ~ p.140
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High-Speed SD-OCT for Ultra Wide-field Human Retinal Three Dimensions Imaging using GPU
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Park Ki-Beom
Cho Nam-Hyun
Ruchire Eranga Henry Wijesinghe
Kim Jee-Hyun
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Abstract
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We have developed an ultra wide-field of view Optical Coherence Tomography(OCT) which has capability to 2D and 3D views of cross-sectional structure of in vivo human retina. Conventional OCT has a limitation in visualizing the entire retina due to a reduced field of view. We designed an optical setup to significantly improve the lateral scanning range to be more than 20 mm. The entire human retinal structure in 2D and 3D was reported in this paper with the developed OCT system. Also, we empirically searched an optimized image size for real time visualization by analyzing variation of the frame rate with different lateral scan points. The size was concluded to be pixels which took 9 seconds for visualization.
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KEYWORD
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OCT, Retina, Optic disk, Wide-field, Graphics Processing Unit
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