Research Article
Advantage of Combining OBIA and Classifier Ensemble Method for Very High-Resolution Satellite Imagery Classification
Table 2
Sensor parameters of GF-1 and GF-2 satellites.
| Parameters | | PAN/multispectral | |
| | | GF1 | GF2 | Satellite | Orbit type | | Sun synchronization | Sun synchronization | Orbit altitude | | 646 km | 631 km | Repeat time | | 41 days | 69 days | Spectral range | Panchromatic | | 0.45–0.90 μm | 0.45–0.90 μm | Multispectral | Blue | 0.45–0.52 μm | 0.45–0.52 μm | Green | 0.52–0.59 μm | 0.52–0.59 μm | Red | 0.63–0.69 μm | 0.63–0.69 μm | NIR | 0.77–0.89 μm | 0.77–0.89 μm | Spatial resolution | Panchromatic | | 2 m | 1 m | Multispectral | | 8 m | 4 m | Width | | | 60 km | 45 km | Receive time | | | 2015-07-14 | 2015-7-3 | Orbit ID | | | 11937 | 5113 | Product type | | | Standard | Standard | Product level | | | Level 1A | Level 1A | (Path, row) | | | (3, 97) | (3,152) | (Width, height) | | | (4548, 4544), (18192, 18164) | (29200, 27620) | Cloud | | | 0% | 5% | Solar(azimuth, zenith) | | | (141.278, 73.7496) | (134.537, 21.6698) | Satellite(azimuth, zenith) | | | (297.354, 88.3146) | (283.342, 83.754) |
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