TH4.L09 - INTEGRATION OF RADARSAT-2, TERRASAR-X and ALOS PALSAR DATA FOR IN-SEASON CROP ACREAGE ESTIMATES: A CANADIAN EXAMPLE
1. Jiali Shang, Heather McNairn, Xianfeng Jiao, Catherine Champagne Agriculture and Agri-Food Canada, Ottawa, Canada 960 Carling Avenue, Ottawa, Canada, K1A 0C6 [email_address] Integration of RADARSAT-2, TerraSAR-X & ALOS PALSAR for In-Season Crop Acreage Estimates: A Canadian Example
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7. Casselman 2008 Crop Map Water Urban Shrubland Wetland Hay-Pasture Soybean Corn Cereal Buckwheat Coniferous Roads Barren Legend Broadleaf 0 2 4 km Classification using 3-date SPOT Classification using 6-date TerraSAR-X
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9. C- and X-Band Results: Casselman 2009 User’s Accuracies RADARSAT-2 TerraSAR-X Pasture/Forage Corn Soybean Cereal Potato Overall Before July 8 38.7 76.6 73.9 63.4 70.0 71.9 Before July 8 Before June 25 41.2 81.2 81.3 75.4 73.9 78.2 Before Aug 7 39.9 84.7 76.7 75.6 93.7 77.9 All (10 dates) 41.5 96.1 83.7 79.6 90.6 85.6
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11. Crop Map Generated Using All Multi-Frequency SAR Images Carman 2009 (91.4% overall accuracy) Water Urban Shrub land Wetland Hay-Pasture Soybean Corn Cereal Coniferous Roads Barren Legend Broadleaf Canola Soybean Sunflower Flaxseed Fallow Potato Field peas Beans N 0 3 6 km
12. Polarimetric SAR for Crop Classification RADARSAT-2 (June 15, July 6, August 9, September 2): Casselman 2008 RADARSAT-2 (May 29, June 22, July 16, August 9, September 2): Carman 2009 Pasture Soy Corn Wheat Overall Cloude-Pottier 77.5 85.2 86.4 97.6 85.8 Freeman-Durden 85.1 93.7 89.9 93.3 90.9 Linear Polarizations (HH, HV, VV, VH) 60.4 81.8 73.6 83.8 75.4 Canola Flax Beans Corn Cereals Overall Cloude-Pottier 91.9 57.4 76.5 68.6 82.8 79.8 Freeman-Durden 94.1 81.0 80.1 69.2 88.8 83.6 Linear Polarizations (HH, HV, VV, VH) 83.1 51.3 73.7 53.5 89.4 75.5
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Notas do Editor
The land is non-irrigated dry land To capture the key signatures of the growth cycle. The data were collected cover two consecutive years, 2006 and 2007