Occlusion compensated true orthorectification for high-resolution satellite images

Liang Chien Chen, Tee Ann Teo, Jen Yu Wen, Jiann-Yeou Rau

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This paper describes a method to generate true ortho-images from high-resolution satellite images. Multi-view images are used to compensate for hidden areas. This work includes three steps: (1) the generation of traditional ortho-images using a terrain model, (2) the relief correction for buildings, and (3) the detection of, and compensation for, hidden areas. A rational function model (RFM) is used to determine the geometric correspondence between the image space and the object space. In the generation of traditional ortho-images, RFM parameters and a digital terrain model (DTM) are employed to rectify tilt displacements and relief displacements for the terrain. Then, using a digital building model (DBM), relief displacements for buildings are computed. The purpose of the detection of hidden areas is to avoid double mapping. Considering the satellite's small field of view, an efficient method for the detection of hidden areas and building rectification is proposed. The test area covers the city of Hsinchu in northern Taiwan. The test images are obtained from the QuickBird satellite.

Original languageEnglish
Pages (from-to)39-52
Number of pages14
JournalPhotogrammetric Record
Volume22
Issue number117
DOIs
Publication statusPublished - 2007 Mar 1

Fingerprint

Satellites
Rational functions
relief
QuickBird
digital terrain model
field of view
tilt
satellite image
detection
test
method

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Computer Science Applications
  • Computers in Earth Sciences
  • Earth and Planetary Sciences (miscellaneous)

Cite this

Chen, Liang Chien ; Teo, Tee Ann ; Wen, Jen Yu ; Rau, Jiann-Yeou. / Occlusion compensated true orthorectification for high-resolution satellite images. In: Photogrammetric Record. 2007 ; Vol. 22, No. 117. pp. 39-52.
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Occlusion compensated true orthorectification for high-resolution satellite images. / Chen, Liang Chien; Teo, Tee Ann; Wen, Jen Yu; Rau, Jiann-Yeou.

In: Photogrammetric Record, Vol. 22, No. 117, 01.03.2007, p. 39-52.

Research output: Contribution to journalArticle

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