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Digital Topology and Geometry in Medical Imaging: A Survey
Journal article   Peer reviewed

Digital Topology and Geometry in Medical Imaging: A Survey

Punam K Saha, Robin Strand and Gunilla Borgefors
IEEE transactions on medical imaging, Vol.34(9), pp.1940-1964
09/2015
DOI: 10.1109/TMI.2015.2417112
PMID: 25879908

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Abstract

Digital topology and geometry refers to the use of topologic and geometric properties and features for images defined in digital grids. Such methods have been widely used in many medical imaging applications, including image segmentation, visualization, manipulation, interpolation, registration, surface-tracking, object representation, correction, quantitative morphometry etc. Digital topology and geometry play important roles in medical imaging research by enriching the scope of target outcomes and by adding strong theoretical foundations with enhanced stability, fidelity, and efficiency. This paper presents a comprehensive yet compact survey on results, principles, and insights of methods related to digital topology and geometry with strong emphasis on understanding their roles in various medical imaging applications. Specifically, this paper reviews methods related to distance analysis and path propagation, connectivity, surface-tracking, image segmentation, boundary and centerline detection, topology preservation and local topological properties, skeletonization, and object representation, correction, and quantitative morphometry. A common thread among the topics reviewed in this paper is that their theory and algorithms use the principle of digital path connectivity, path propagation, and neighborhood analysis.
Digital images Transforms distance transform local topology Topology connectivity and tracking Geometry Interpolation digital topology and geometry minimal path Connected operators watersheds skeletonization Cavity resonators simple point object characterization Biomedical imaging

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