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Proceedings Paper

Determination of exterior parameters for video image sequences from helicopter by block adjustment with combined vertical and oblique images
Author(s): Jianqing Zhang; Yong Zhang; Zuxun Zhang
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Paper Abstract

Determination of image exterior parameters is a key aspect for the realization of automatic texture mapping of buildings in the reconstruction of real 3D city models. This paper reports about an application of automatic aerial triangulation on a block with three video image sequences, one vertical image sequence to buildings' roofs and two oblique image sequences to buildings' walls. A new process procedure is developed in order to auto matching homologous points between images in oblique and vertical images. Two strategies are tested. One is treating three strips as independent blocks and executing strip block adjustment respectively, the other is creating a block with three strips, using the new image matching procedure to extract large number of tie points and executing block adjustment. The block adjustment results of these two strategies are also compared.

Paper Details

Date Published: 25 September 2003
PDF: 4 pages
Proc. SPIE 5286, Third International Symposium on Multispectral Image Processing and Pattern Recognition, (25 September 2003); doi: 10.1117/12.538892
Show Author Affiliations
Jianqing Zhang, Wuhan Univ. (China)
Yong Zhang, Wuhan Univ. (China)
Supresoft Inc. (China)
Zuxun Zhang, Wuhan Univ. (China)

Published in SPIE Proceedings Vol. 5286:
Third International Symposium on Multispectral Image Processing and Pattern Recognition
Hanqing Lu; Tianxu Zhang, Editor(s)

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