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Proceedings Paper

Data capture from stereo images with SPOT-P, airborne SAR, and ERS-SAR
Author(s): Thierry Toutin
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Paper Abstract

This paper presents a fully digital photogrammetric method for the restitution of various types of stereo imagery (visible and SAR; spaceborne and airborne) using the same digital stereo workstation, the DVP. Based on personal computer, the DVP system enables the on-line three dimensional reconstruction of a stereo-model, the capture in real time of data from the raw images and the graphic overlay of vector data. The mathematical equations, which drive the DVP, are based on the collinearity and co-planarity conditions and integrate the platform, sensor, Earth and cartographic projection models into a single model. Data is extracted using the DVP system and compared to digital topographic data. Three different challenging study sites and data sets have been selected to test the limits of the method and the DVP system. Planimetric accuracies of 6.5 m, 30.0 m and 17.0 m, and altimetric accuracies of 12.6 m, 38.0 m and 23.9 m have been achieved with SPOT-P, airborne SAR and ERS-SAR stereo-pairs, respectively. Better results should be achievable with less challenging study sites and data sets.

Paper Details

Date Published: 21 December 1994
PDF: 9 pages
Proc. SPIE 2313, Microwave Instrumentation and Satellite Photogrammetry for Remote Sensing of the Earth, (21 December 1994); doi: 10.1117/12.197352
Show Author Affiliations
Thierry Toutin, Canada Ctr. for Remote Sensing (Canada)


Published in SPIE Proceedings Vol. 2313:
Microwave Instrumentation and Satellite Photogrammetry for Remote Sensing of the Earth
Joan B. Lurie; Paolo Pampaloni; James C. Shiue, Editor(s)

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