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Ali Mansourian

Ali Mansourian

Professor

Ali Mansourian

Study of 2D and 3D Geometric Models Applied on SAR Images (A Case Study in BAM Area)

Author

  • Maryam Dehghan
  • Mohammad Javad Valadan Zoje
  • Ali Mansourian

Summary, in English

study several 2D and 3D math models have been tested in order to correct slant range SAR data geometrically. Some of these models consider the imaging geometry at the time of imaging while the others relate the ground space to the image one by mathematical polynomials. The images used here are 3 ENVISAT ones of Bam area. In order to extract the 3D GCPs, a topographic map with a scale of 1:25000 and SRTM DEM were used. The 2D math models used in this study include Global polynomial, Point wise, Piece wise and Projective while the 3D models are DLT and Rigorous SAR model. Since the images used in this study were originally ordered for interferometry studies, their baseline is so small that the precision of 3D coordinates extraction is not satisfactory enough. However, the results of 2D models are much better.

Publishing year

2007

Language

English

Pages

186-194

Publication/Series

Geosciences Scientific Quarterly Journal (ULUM-I ZAMIN)

Volume

17

Issue

65

Document type

Journal article

Publisher

Sāzmān-i zamīnʼshināsī kishvar, Tihrān

Topic

  • Physical Geography

Keywords

  • RADAR
  • SAR IMAGES
  • GEOMETRIC CORRECTION
  • CONTROL POINT
  • RADARGRAMMETRY

Status

Published

ISBN/ISSN/Other

  • ISSN: 1023-7429