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Automatic montage of retinal images in adaptive optics confocal scanning laser ophthalmoscope
Li, Hao; Lu, Jing; Shi, Guohua; Zhang, Yudong
Source PublicationOptical Engineering
Volume51Issue:5Pages:057008
2012
Language英语
ISSN00913286
DOI10.1117/1.OE.51.5.057008
Indexed ByEi
WOS IDWOS:000304615300041
Subtype期刊论文
AbstractWe introduce an automatic technique to stitch retinal images recorded with an adaptive optics confocal scanning laser ophthalmoscope (AOSLO). The AOSLO images whose field size is 1.5 deg are recorded while the fixation target is moving according to a square pattern so as to cover a wide field of view. Principal components analysis-scale invariant feature transform is used to extract and match point features of the retinal images. With the matched point features, the affine transformation is used to stitch the images to generate eight montaged images. Then, the eight images are stitched together to construct a wide-field image by a cross-correlation algorithm. An image blending algorithm is also developed to reduce seam artifacts. With the proposed algorithms, a montage whose field size is approximately 10.5 × 9.6 deg is constructed. © 2012 Society of Photo-Optical Instrumentation Engineers (SPIE).; We introduce an automatic technique to stitch retinal images recorded with an adaptive optics confocal scanning laser ophthalmoscope (AOSLO). The AOSLO images whose field size is 1.5 deg are recorded while the fixation target is moving according to a square pattern so as to cover a wide field of view. Principal components analysis-scale invariant feature transform is used to extract and match point features of the retinal images. With the matched point features, the affine transformation is used to stitch the images to generate eight montaged images. Then, the eight images are stitched together to construct a wide-field image by a cross-correlation algorithm. An image blending algorithm is also developed to reduce seam artifacts. With the proposed algorithms, a montage whose field size is approximately 10.5 × 9.6 deg is constructed. © 2012 Society of Photo-Optical Instrumentation Engineers (SPIE).
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6311
Collection自适应光学技术研究室(八室)
Affiliation Institute of Optics and Electronics, Chinese Academy of Sciences, Graduate School of Chinese Academy of Sciences, Chengdu 610209, China
Recommended Citation
GB/T 7714
Li, Hao,Lu, Jing,Shi, Guohua,et al. Automatic montage of retinal images in adaptive optics confocal scanning laser ophthalmoscope[J]. Optical Engineering,2012,51(5):057008.
APA Li, Hao,Lu, Jing,Shi, Guohua,&Zhang, Yudong.(2012).Automatic montage of retinal images in adaptive optics confocal scanning laser ophthalmoscope.Optical Engineering,51(5),057008.
MLA Li, Hao,et al."Automatic montage of retinal images in adaptive optics confocal scanning laser ophthalmoscope".Optical Engineering 51.5(2012):057008.
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