지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.4
- 수록면
- 151 - 160 (10page)
이용수
초록· 키워드
오류제보하기
Fundus images can reflect ocular diseases and systemic diseases such as glaucoma, diabetes mellitus, and hypertension. Thus, research on fundus-detection equipment is of great importance. The fundus camera has been widely used as a kind of noninvasive detection equipment. Most existing devices can only obtain two-dimensional (2D) retinal-image information, yet the fundus of the human eye also has spectral characteristics. The fundus has many pigments, and their different distributions in the eye lead to dissimilar tissue penetration for light waves, which can reflect the corresponding fundus structure. To obtain more abundant information and improve the detection level of equipment, a snapshot nonmydriatic fundus imaging spectral system, including fundus-imaging spectrometer and illumination system, is studied in this paper. The system uses a microlens array to realize snapshot technology; information can be obtained from only a single exposure. The system does not need to dilate the pupil. Hence, the operation is simple, which reduces its influence on the detected object. The system works in the visible and near-infrared bands (550–800 ㎚), with a volume less than 400 ㎜ × 120 ㎜ × 75 ㎜ and a spectral resolution better than 6 ㎚.
목차
Ⅰ. INTRODUCTION
Ⅱ. SYSTEM STRUCTURE AND PARAMETER INDEX
Ⅲ. OPTICAL DESIGN OF ILLUMINATION SYSTEM
Ⅳ. DESIGN OF THE SNAPSHOT SPECTRAL FUNDUS-IMAGING SYSTEM
Ⅴ. DISCUSSION
Ⅵ. CONCLUSION
REFERENCES
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