NDLI: A compound segmentation algorithm for anterior chamber angle in OCT image

Content Provider	IEEE Xplore Digital Library
Author	Wei Wu Yan Li Huang, D. Huilong Duan
Copyright Year	2011
Description	Author affiliation: College of Biomedical Engineering & Instrument Science, Zhejiang University, The Key Laboratory of Biomedical, Engineering, Ministry of Education, China., Hangzhou, Zhejiang Province, China, 310027 (Wei Wu; Huilong Duan) \|\| Ophthalmology, Oregon Health and Science University, Portland, OR, USA, 97239 (Yan Li; Huang, D.)
Abstract	Anterior chamber (AC) angle is a useful parameter in the investigation and diagnoses of angle closure glaucoma. And Optical coherence tomography (OCT) is a noninvasive and high-resolution technique for AC angle imaging. An accurate and automatic angle measurement should be based on a precise AC angle segmentation in OCT image. However, conventional segmentation algorithms can not achieve a well result because the algorithms are not robust to the dark shadow areas and speckle noise existing in the image. A new compound segmentation algorithm is proposed in this paper. The morphological method, intensity transform, gradient image, and ratio of foreground-to-background average intensity, etc., are applied in this new algorithm to improve the accuracy of segmentation. The experiments show that the presented algorithm can achieve a satisfactory segmentation result for the AC angle in OCT images.
Starting Page	12
Ending Page	15
File Size	834628
Page Count	4
File Format	PDF
ISBN	9781424493517
e-ISBN	9781424493524
DOI	10.1109/BMEI.2011.6098334
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Biomedical optical imaging Optical coherence tomography Noise Coherence Tomography Optical imaging Adaptive optics Anterior chamber angle
Content Type	Text
Resource Type	Article

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