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Dual-wavelength retinal image registration based on vessel segmentation and optic disc detection
Xian, Yong-Li1,2,3,4; Dai, Yun1,3; Gao, Chun-Ming2; Du, Rui1,3
Source PublicationProceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment
Volume9684Pages:968417
2016
Language英语
ISSN0277-786X
DOI10.1117/12.2243587
SubtypeC
AbstractThe dual-wavelength retinal image registration is one of the critical steps in the spectrophotometric measurements of oxygen saturation in the retinal vasculature. The dual-wavelength images (570 nm and 600 nm) are simultaneously captured by dual-wavelength retinal oximeter based on commercial fundus camera. The retinal oxygen saturation is finally measured after vessel segmentation, image registration and calculation of optical density ratio of the two images. Because the dual-wavelength images are acquired from different optical path, it is necessary to go through image registration before they are used to analyze the oxygen saturation. This paper presents a new approach to dual-wavelength retinal image registration based on vessel segmentation and optic disc detection. Firstly, the multi-scale segmentation algorithm based on the Hessian matrix is used to realize vessel segmentation. Secondly, after optic disc is detected by convergence index filter and the center of the optic disc is obtained by centriod algorithm, the translational difference between the images can be determined. The center of the optic disc is used as the center of rotation, and the registration based on mutual information can be achieved using contour and gray information of vessels through segmented image. So the rotational difference between the images can be determined too. The result shows that the algorithm can provide an accurate registration for the dual-wavelength retinal image. © 2016 SPIE.
KeywordCameras Image Registration Information Use Manufacture Ophthalmology Optical Testing Oxygen Spectrophotometers Spectrophotometry Stereo Vision
Indexed BySCI ; Ei
WOS IDWOS:000387429500043
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8437
Collection自适应光学技术研究室(八室)
Affiliation1. Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, Chengdu Sichuan
2.610209, China
3. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan
4.610054, China
5. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, Sichuan
6.610209, China
7. University of Chinese Academy of Sciences, Beijing
8.100049, China
Recommended Citation
GB/T 7714
Xian, Yong-Li,Dai, Yun,Gao, Chun-Ming,et al. Dual-wavelength retinal image registration based on vessel segmentation and optic disc detection[J]. Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment,2016,9684:968417.
APA Xian, Yong-Li,Dai, Yun,Gao, Chun-Ming,&Du, Rui.(2016).Dual-wavelength retinal image registration based on vessel segmentation and optic disc detection.Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment,9684,968417.
MLA Xian, Yong-Li,et al."Dual-wavelength retinal image registration based on vessel segmentation and optic disc detection".Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment 9684(2016):968417.
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