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ThinkMind // GEOProcessing 2015, The Seventh International Conference on Advanced Geographic Information Systems, Applications, and Services // View article geoprocessing_2015_4_40_30139


A Segmentation-based Approach for Improving the Accuracy of Polygon Data

Authors:
Alexey Noskov
Yerach Doytsher

Keywords: similarity; geometry matching; shape descriptor; topology

Abstract:
The suggested method enables us to improve the accuracy of city planning data by matching it with exact cadastral data. The existing approaches do not work well in the case of partial equality of polygon boundaries. The main idea of the presented algorithm in this paper is based on defining correspondent segments of polygon boundaries and further replacing polygon boundary segments of the non-accurate layer by segments of the accurate data set, segments without pairs are rectified using ground control points. The resulting data contain parts of the accurate data set polygon boundaries, whereas the remaining elements are rectified according to the replaced boundary segments. A review implemented by specialists enables us to say, that the results are satisfactory.

Pages: 69 to 74

Copyright: Copyright (c) IARIA, 2015

Publication date: February 22, 2015

Published in: conference

ISSN: 2308-393X

ISBN: 978-1-61208-383-4

Location: Lisbon, Portugal

Dates: from February 22, 2015 to February 27, 2015

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