A Main Wall Recognition of Architectural Drawings using Dimension Extension Line


The KIPS Transactions:PartB , Vol. 10, No. 7, pp. 837-846, Dec. 2003
10.3745/KIPSTB.2003.10.7.837,   PDF Download:

Abstract

This paper deals with plain figures on the architectural drawings of apartment. This kind of architectural drawings consist of main walls represented by two parallel bold lines, symbols (door, window, tile ...), dimension line, extension line, and dimensions represent various numerical values and characters. This paper suggests a method for recognizing main wall which is a backbone of apartment in an architectural drawing. In this thesis, the following modules are realized : an efficient image barbarization, a removal of thin lines, a vectorization of detected lines, a region bounding for main walls, a calculation of extension lines, a finding main walls based on extension line, and a field expansion by searching other main walls which are linked with the detected main walls. Although the windows between main walls are not represented as main walls, a detection module for the windows is considered during the recognition period. So the windows are found as a part of main wall. An experimental result on 9 different architectural drawings shows 96.5% recognition of main walls and windows, which is about 5.8% higher than that of Karl Tombre.


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Cite this article
[IEEE Style]
K. Y. Bin, "A Main Wall Recognition of Architectural Drawings using Dimension Extension Line," The KIPS Transactions:PartB , vol. 10, no. 7, pp. 837-846, 2003. DOI: 10.3745/KIPSTB.2003.10.7.837.

[ACM Style]
Kwon Yeong Bin. 2003. A Main Wall Recognition of Architectural Drawings using Dimension Extension Line. The KIPS Transactions:PartB , 10, 7, (2003), 837-846. DOI: 10.3745/KIPSTB.2003.10.7.837.