SEN12MS

The SEN12MS dataset contains 180,662 patch triplets of corresponding Sentinel-1 dual-pol SAR data, Sentinel-2 multi-spectral images, and MODIS-derived land cover maps. The patches are distributed across the land masses of the Earth and spread over all four meteorological seasons. This is reflected by the dataset structure. All patches are provided in the form of 16-bit GeoTiffs containing the following specific information: - Sentinel-1 SAR: 2 channels corresponding to sigma nought backscatter values in dB scale for VV and VH polarization. - Sentinel-2 Multi-Spectral: 13 channels corresponding to the 13 spectral bands (B1, B2, B3, B4, B5, B6, B7, B8, B8a, B9, B10, B11, B12). - MODIS Land Cover: 4 channels corresponding to IGBP, LCCS Land Cover, LCCS Land Use, and LCCS Surface Hydrology layers.

SEN12MS数据集包含180,662组对应配对的补丁三元组，涵盖哨兵1号（Sentinel-1）双极化合成孔径雷达（SAR）数据、哨兵2号（Sentinel-2）多光谱图像以及MODIS衍生的土地覆盖图。该数据集的补丁分布于全球陆地范围内，且覆盖全部四个气象季节，这一特性也体现在数据集的结构设计中。所有补丁均以16位GeoTIFF格式提供，包含以下特定信息：
- 哨兵1号（Sentinel-1）合成孔径雷达（SAR）：包含2个通道，分别对应VV与VH极化模式下以分贝（dB）为单位的σ⁰后向散射系数值。
- 哨兵2号（Sentinel-2）多光谱数据：包含13个通道，对应13个光谱波段（B1、B2、B3、B4、B5、B6、B7、B8、B8a、B9、B10、B11、B12）。
- MODIS土地覆盖数据：包含4个通道，分别对应IGBP分类、LCCS土地覆盖、LCCS土地利用以及LCCS地表水文图层。