Non-Mydriatic Confocal Retinal Imaging Using a Digital Light Projector.
Non-Mydriatic Confocal Retinal Imaging Using a Digital Light Projector.
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DOI：
10.1117/12.2001305
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发表时间：
2013-03-26
期刊：
影响因子：
--
通讯作者：
Ozawa GY
中科院分区：
文献类型：
--
作者：
Muller MS;Elsner AE;Ozawa GY
数字光投影仪被实现为共焦非散瞳视网膜照相机DLP-Cam中的集成照明源和扫描元件。为了模拟扫描，一系列照明线被快速投射到视网膜上。后向散射光被成像到二维卷帘快门CMOS传感器上。通过利用滚动快门在时间和空间上重叠照明线，实现共焦成像。这种方法实现了低成本、灵活和稳健的设计，占用空间小。与市售非散瞳SLO和眼底照相机的定性图像比较显示出相当的精细血管可见性和对比度。
A digital light projector is implemented as an integrated illumination source and scanning element in a confocal non-mydriatic retinal camera, the DLP-Cam. To simulate scanning, a series of illumination lines are rapidly projected on the retina. The backscattered light is imaged onto a 2-dimensional rolling shutter CMOS sensor. By temporally and spatially overlapping the illumination lines with the rolling shutter, confocal imaging is achieved. This approach enables a low cost, flexible, and robust design with a small footprint. Qualitative image comparison with commercial non-mydriatic SLOs and fundus cameras shows comparable fine vessel visibility and contrast.
影响因子：
1.8
作者：
Elsner, AE;Burns, SA;Delori, FC
通讯作者：
Delori, FC