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题名:
Automatic montage of retinal images in adaptive optics confocal scanning laser ophthalmoscope
作者: Li, Hao; Lu, Jing; Shi, Guohua; Zhang, Yudong
刊名: Optical Engineering
出版日期: 2012
卷号: 51, 期号:5, 页码:057008
学科分类: Algorithms - Image processing - Ophthalmology - Optical devices - Principal component analysis
DOI: 10.1117/1.OE.51.5.057008
文章类型: 期刊论文
中文摘要: 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).
英文摘要: 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).
收录类别: Ei
项目资助者: Chinese Academy of Sciences [KGCX2-Y11-920]
语种: 英语
WOS记录号: WOS:000304615300041
ISSN号: 00913286
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6311
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: Institute of Optics and Electronics, Chinese Academy of Sciences, Graduate School of Chinese Academy of Sciences, Chengdu 610209, China

Recommended Citation:
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.
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