Table 3: Orthorectification accuracy (in pixel) for the RADARSAT-2 images used in this study.
Image ID Number of ground control points (GCP) RMS error
X Y Mean
RS2_20140815_SCWA_A1 18 0.77 0.54 0.55
RS2_20140815_SCWA_A2 15 0.84 0.6 0.59
RS2_20140825_SCWA_A1 24 1.09 0.76 0.78
RS2_20140825_SCWA_A2 12 0.78 0.59 0.52
RS2_20140814_SCWA_D1 13 0.82 0.58 0.58
RS2_20140814_SCWA_D2 20 0.70 0.49 0.50
RS2_20140824_SCWA_D1 20 0.75 0.44 0.60
RS2_20140824_SCWA_D2 20 0.50 0.58 0.77