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题名:
Tracking features in retinal images of adaptive optics confocal scanning laser ophthalmoscope using KLT-SIFT algorithm
作者: Li, Hao1,2,3; Lu, Jing1,2,3; Shi, Guohua1,2,3; Zhang, Yudong2,3
刊名: BIOMEDICAL OPTICS EXPRESS
出版日期: 2010-08-02
卷号: 1, 期号:1, 页码:31-40
文章类型: Article
英文摘要: With the use of adaptive optics (AO), high-resolution microscopic imaging of living human retina in the single cell level has been achieved. In an adaptive optics confocal scanning laser ophthalmoscope (AOSLO) system, with a small field size (about 1 degree, 280 mu m), the motion of the eye severely affects the stabilization of the real-time video images and results in significant distortions of the retina images. In this paper, Scale-Invariant Feature Transform (SIFT) is used to abstract stable point features from the retina images. Kanade-Lucas-Tomasi(KLT) algorithm is applied to track the features. With the tracked features, the image distortion in each frame is removed by the second-order polynomial transformation, and 10 successive frames are co-added to enhance the image quality. Features of special interest in an image can also be selected manually and tracked by KLT. A point on a cone is selected manually, and the cone is tracked from frame to frame. (C) 2010 Optical Society of America
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]: Biochemical Research Methods ; Optics ; Radiology, Nuclear Medicine & Medical Imaging
研究领域[WOS]: Biochemistry & Molecular Biology ; Optics ; Radiology, Nuclear Medicine & Medical Imaging
收录类别: SCI
语种: 英语
WOS记录号: WOS:000208208100003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3401
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Lab Adapt Opt, Inst Opt & Elect, Chengdu 610209, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Li, Hao,Lu, Jing,Shi, Guohua,et al. Tracking features in retinal images of adaptive optics confocal scanning laser ophthalmoscope using KLT-SIFT algorithm[J]. BIOMEDICAL OPTICS EXPRESS,2010,1(1):31-40.
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