| Titre | Compact polarimetry assessment for rice and wetland mapping with SAR |
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| Auteur | Brisco, B; Li, K; Tedford, B; Charbonneau, F; Yun, S; Murnaghan, K |
| Source | International Journal of Remote Sensing vol. 34, no. 6, 2012 p. 1949-1964, https://doi.org/10.1080/01431161.2012.730156  Accès ouvert |
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| Année | 2012 |
| Séries alt. | Ressources naturelles Canada, Contribution externe 20180152 |
| Éditeur | Informa UK Limited |
| Document | publication en série |
| Lang. | anglais |
| DOI | https://doi.org/10.1080/01431161.2012.730156 |
| Media | papier; en ligne; numérique |
| Formats | pdf |
| Sujets | télédétection; imagerie par satellite; méthodes radar; terres humides; simulations par ordinateur; techniques de cartographie; Agriculture; Classification; surveillance; Traitement des données;
géophysique; géologie des dépôts meubles/géomorphologie; Agriculture |
| Illustrations | imagerie satellitaire; cartes de localisation; organigrammes; tableaux; graphique à barres |
| Programme | Science de la télédétection spatiale |
| Diffusé | 2012 11 08 |
| Résumé | (disponible en anglais seulement)
Polarimetric RADARSAT-2 data of rice and wetlands are used to simulate compact polarimetry (CP) mode data from the upcoming RADARSAT Constellation Mission
(RCM). The simulated CP data are then used to evaluate the information content for rice and wetland mapping using supervised classification, and the results are compared for linear and circular polarization combinations and polarimetric
decompositions from the fully polarimetric data and the simulated CP data. The results are consistent for both rice and wetlands and show that the classification accuracy increases as one goes up the polarization hierarchy. The circular polarizations
produced the best classification results for the polarization combinations. This result requires further research to verify. Although the CP data did not perform as well as the fully polarimetric data, the results were better than for dual
polarization, and this mode may offer the best option for rice and wetland mapping applications because of swath coverage. Note that both the compact simulations and the fully polarimetric data produced operationally suitable classification
accuracies. Additional research is underway to evaluate the monitoring capability of this new CP mode. This article describes the approach used for the analyses and the classification results for both rice and wetlands. |
| GEOSCAN ID | 296927 |
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