| Titre | A "new hybrid" modeling for geometric processing of Radarsat-2 data without user's GCP |
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| Auteur | Toutin, T; Omari, K |
| Source | Photogrammetric Engineering and Remote Sensing vol. 77, no. 6, 2011 p. 601-608, https://doi.org/10.14358/PERS.77.6.601 |
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| Année | 2011 |
| Séries alt. | Secteur des sciences de la Terre, Contribution externe 20110022 |
| Éditeur | American Society for Photogrammetry and Remote Sensing |
| Document | publication en série |
| Lang. | anglais |
| DOI | https://doi.org/10.14358/PERS.77.6.601 |
| Media | papier; en ligne; numérique |
| Formats | pdf |
| Sujets | télédétection; analyses géométriques; modèles; établissement de modèles; géophysique |
| Illustrations | photographies; graphiques; images satellitaires |
| Programme | Cartographie topographique |
| Diffusé | 2011 06 01 |
| Résumé | (disponible en anglais seulement)
The objective of the research study is to use the synergy of 3D empirical (Rational Function Model (RFM) and physical (Toutin's) geometric models to develop a
"new hybrid" model for the geometric processing of Radarsat-2 data without collecting ground control point (GCP). After independently evaluating the processing and the accuracy of each model using accurate differential GPS points, RFM was thus used
to generate few "virtual" RFM points at the highest elevation of the study site. In addition to information of the metadata, these "virtual" points were input as GCPs in Toutin's model. This “new hybrid model consistently achieved pixel accuracy,
with better results for steep looking angles than the two other models. Its main advantage was, in addition, to be used without collecting GCP, increasing the applicability of Radarsat-2 data in remote areas. |
| GEOSCAN ID | 288593 |
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