NDLI: Edge detection in segmented non-convex space polygon

Content Provider	IEEE Xplore Digital Library
Author	Kozar, I. Lozzi-Kozar, D. Jericevic, Z.
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Modeling, Fac. of Civil Eng., Rijeka, Croatia (Kozar, I.) \|\| Dept. of Comput. Eng., Eng. Fac., Rijeka, Croatia (Jericevic, Z.) \|\| Croatian Water Authority, Rijeka, Croatia (Lozzi-Kozar, D.)
Abstract	Survey data in use in Civil Engineering consists of points described with XYZ coordinates. Closed shapes, like lakes described with a number of such points are immediately recognizable to humans although points are grouped in unconnected and unrelated lines. Automatic processing of those closed shapes is required if computer analysis is to be performed, i.e. we would like to produce a finite element mesh of the lake. In order to perform meshing one has to be able to determine whether a point is inside or outside of the space polygon, i.e. polygon edges have to be detected. Special computer procedures have been developed for edge detection. The most challenging part is detection of overlaps of edge lines which has been solved with specially modified Fourier transform procedure. Above procedures are applied on a real-life example for creating a finite element mesh of lake “Botonega” in Istria.
Starting Page	402
Ending Page	405
File Size	951633
Page Count	4
File Format	PDF
e-ISBN	9789532330779
DOI	10.1109/MIPRO.2014.6859599
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-26
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	MIPRO
Subject Keyword	Computers Shape Image edge detection Lakes Vectors Finite element analysis Civil engineering
Content Type	Text
Resource Type	Article

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