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Proceedings Paper

Building extraction and modeling in an urban area by image sequence analysis
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Paper Abstract

3D city modeling from airborne imagery includes mainly two parts: (1) image processing procedures and (2) 3D modeling for man-made objects such as buildings, roads and other objects. Line or feature extraction and stereo matching are usually utilized as an image processing procedures, and geometrical data acquisition for man-made objects are performed. However, there are some issues for automatic or semi-automatic man-made object modeling. These problems include uncertainty within matching, extraction of man-made objects and spatial data acquisition. In particular, spatial data acquisition of buildings are important for reliable city modeling. With this objective, this paper focuses especially on efficient and robust line matching method using optical flow, which enable an automatic building extraction since line gives important information for building extraction and satisfied results are depend on rigorous line extraction and matching. Furthermore, building extraction using morphological opening and 3D modeling for urban area are also investigated in this paper.

Paper Details

Date Published: 10 January 2003
PDF: 8 pages
Proc. SPIE 5013, Videometrics VII, (10 January 2003); doi: 10.1117/12.476169
Show Author Affiliations
Yoichi Kunii, Tokyo Denki Univ. (Japan)
Hirofumi Chikatsu, Tokyo Denki Univ. (Japan)

Published in SPIE Proceedings Vol. 5013:
Videometrics VII
Sabry F. El-Hakim; Armin Gruen; James S. Walton, Editor(s)

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