Dispersion aggregated objects images skeletonization

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Authors:

Т.А. Ruzova, Cand. Sci. (Tech.), O. Gonchar Dnepropetrovsk National University, Senior Research Scientist of Problem Research Laboratory of Streams, Dnipropetrovsk, Ukraine

Abstract:

Skeletons making is extremely important step in the problem of segmentation elements in dispersed formations. Therefore, the correctness of skeleton representation, matching the structure of examined object and skeleton rezistanse to form distortion caused by noises is essential. The main problem of usual methods is receiving skeletons which are not thin enough (thikness is more then one pixel). Also, they are sensitive to boundary noises.

The purpose of the research is designing of the metod of aggregated elements in dispersed formations skeleton making resisting boundary noises and represented by a set of straight line segments between the branch nodes, sorted from external nodes to internal.

Suggested method allows to build skeletons of high complex objects. Among its advantages are the absence of unnecessary points and rezistanse to boundary noises allowing to avoid continuity violation and object unnecessary refinement.

Method includes next steps: base skeleton making by Zhang-Suen method; exclusion of unnecessary details; pole determination and representation skeleton as a set of branches between poles; skelet improvement in order to represent branches as straight line segments; arranging the branches according to location relative to center.

Obtained results will be useful for designing methods and algorithms for segmentation images of complex objects and aggregated formations.

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
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