Measurement of retina vessels by segmentation of images reconstructed from optical coherence tomography data

IF 1.1 4区 工程技术 Q4 INSTRUMENTS & INSTRUMENTATION
T. Marciniak, Agnieszka Stankiewicz, A. Dabrowski, M. Stopa, Piotr Rakowicz, Elzbieta Marciniak
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引用次数: 3

Abstract

In this paper methods and their examination results for automatic segmentation and parameterization of vessels based on spectral domain optical coherence tomography (SD-OCT) of the retina are presented. We present three strategies for morphologic image processing of a fundus image reconstructed from OCT scans. A specificity of initial image processing for fundus reconstruction is analysed. Then, the parameterization step is performed based on the vessels segmented with the proposed algorithm. The influence of various methods on the vessel segmentation and fully automatic vessel measurement is analysed. Experiments were carried out with a set of 3D OCT scans obtained from 24 eyes (12 healthy volunteers) with the use of an Avanti RTvue OCT device. The results of automatic vessel segmentation were numerically compared with those prepared manually by the medical doctor experts.
利用光学相干断层成像数据重构图像分割测量视网膜血管
本文介绍了基于视网膜光谱域光学相干断层扫描(SD-OCT)的血管自动分割和参数化方法及其检测结果。我们提出了对OCT扫描重建的眼底图像进行形态学图像处理的三种策略。分析了眼底重建的初始图像处理的特异性。然后,基于所提出的算法分割的血管进行参数化步骤。分析了各种方法对血管分割和全自动血管测量的影响。使用Avanti RTvue OCT设备对24只眼睛(12名健康志愿者)进行一组3D OCT扫描,进行实验。将自动血管分割的结果与医生专家手动准备的结果进行了数值比较。
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来源期刊
Metrology and Measurement Systems
Metrology and Measurement Systems INSTRUMENTS & INSTRUMENTATION-
CiteScore
2.00
自引率
10.00%
发文量
0
审稿时长
6 months
期刊介绍: Contributions are invited on all aspects of the research, development and applications of the measurement science and technology. The list of topics covered includes: theory and general principles of measurement; measurement of physical, chemical and biological quantities; medical measurements; sensors and transducers; measurement data acquisition; measurement signal transmission; processing and data analysis; measurement systems and embedded systems; design, manufacture and evaluation of instruments. The average publication cycle is 6 months.
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