Incorporation of Regional Information in Optimal 3-D Graph Search with Application for Intraretinal Layer Segmentation of Optical Coherence Tomography Images
- 1 January 2007
- book chapter
- Published by Springer Nature
- Vol. 20, 607-618
- https://doi.org/10.1007/978-3-540-73273-0_50
Abstract
We present a method for the incorporation of regional image information in a 3-D graph-theoretic approach for optimal multiple surface segmentation. By transforming the multiple surface segmentation task into finding a minimum-cost closed set in a vertex-weighted graph, the optimal set of feasible surfaces with respect to an objective function can be found. In the past, this family of graph search applications only used objective functions which incorporated “on-surface” costs. Here, novel “in-region” costs are incorporated. Our new approach is applied to the segmentation of seven intraretinal layer surfaces of 24 3-D macular optical coherence tomography images from 12 subjects. Compared to an expert-defined independent standard, unsigned border positioning errors are comparable to the inter-observer variability (7.8 ± 5.0 μm and 8.1 ± 3.6 μm, respectively).Keywords
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