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Adaptive optics retinal image registration from scale-invariant feature transform
Li, Hao; Yang, Hansheng; Shi, Guohua; Zhang, Yudong
Source PublicationOPTIK
Volume122Issue:9Pages:839-841
2011
Language英语
Indexed BySCI
WOS IDWOS:000290696000020
SubtypeArticle
AbstractWith the use of adaptive optics(AO), high-resolution microscopic imaging of the living human retina in the single cell level has been achieved. In an AO retinal imaging system, with a small field size (about 1 degrees, 300 mu m) the motion of the eye severely affects the stabilization of the real-time video images results in significant distortions of the retina images. Scale-invariant feature transform (SIFT) algorithm is applied to automatically abstract corner points with subpixel resolution and match the points in two frames. With the matched corner points, we estimate and remove the motions of 20 frames of photoreceptor cells and capillary blood vessels, respectively. The maximal translational motion is about 30 and 44 pixels in the 20 frames whose size is 416 x 416 pixels. More general motions can be considered by the SIFT algorithm, but only simple translational motion can be considered by cross-correlation algorithm. (C) 2010 Elsevier GmbH. All rights reserved.
KeywordAdaptive Optics Retina Scale-invariant Feature Transform (Sift)
WOS KeywordSCANNING LASER OPHTHALMOSCOPY ; COHERENCE TOMOGRAPHY ; RESOLUTION ; EYE
WOS Research AreaOptics
WOS SubjectOptics
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3418
Collection光电技术研究所被WoS收录文章
AffiliationChinese Acad Sci, Grad Sch, Key Lab Adapt Opt, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Li, Hao,Yang, Hansheng,Shi, Guohua,et al. Adaptive optics retinal image registration from scale-invariant feature transform[J]. OPTIK,2011,122(9):839-841.
APA Li, Hao,Yang, Hansheng,Shi, Guohua,&Zhang, Yudong.(2011).Adaptive optics retinal image registration from scale-invariant feature transform.OPTIK,122(9),839-841.
MLA Li, Hao,et al."Adaptive optics retinal image registration from scale-invariant feature transform".OPTIK 122.9(2011):839-841.
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