Multimodal-Sea-Land / README.md
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---
pretty_name: "Mulitmodal Sea-Land Segmentation Dataset"
language:
- en
license: "cc-by-4.0"
tags:
- remote-sensing
- sea-land segmaentation
- mulitmodal
- sentinel
- geospatial
- image
- environmental-monitoring
task_categories:
- image-classification
- image-segmentation
---
# Mulitmodal Sea-Land Segmentation Dataset
## Dataset Overview
This dataset contains optical and SAR images from Sentinel-2 and Sentinel-1.
### Optical image
The Optical images were acquired from the Sentinel-2 satellite.
### SAR image
The SAR images were acquired from the Sentinel-1 satellite. Specifically, the Interferometric Wide Swath (IW) mode was used, incorporating both Vertical-Vertical (VV) and Vertical-Horizontal (VH) polarizations.The Sentinel-1 data underwent preprocessing in SNAP software, including orbit correction, thermal noise removal, radiometric calibration, and terrain correction. Finally, the data were resampled to a resolution of 10 m Γ— 10 m to align with the selected Sentinel-2 spectral bands.
---
## Dataset Specifications
<table>
<tr>
<th>Property</th>
<th>Optical image</th>
<th>SAR image</th>
</tr>
<tr>
<th>Source</th>
<td >Sentinel-2 satellite</td>
<td>Sentinel-1 Satellite</td>
</tr>
<tr>
<th>Spectral Bands</th>
<td >Red, Green, Blue, and Near-Infrared</td>
<td>VV, VH</td>
</tr>
<tr>
<td>Spatial Resolution</td>
<td colspan=2>10 meters</td>
</tr>
<tr>
<td>Image Patch Size</td>
<td colspan=2>224 Γ— 224 pixels</td>
</tr>
<tr>
<td>Total Image Pairs</td>
<td colspan=2>1286</td>
</table>
---
## Dataset Structure and File Organization
The dataset is organized into paired folders for image patches and corresponding labels:
```
-LandSea/
β”œβ”€β”€ opts/ (optical image)
β”‚ β”œβ”€β”€ 1_1.tif
β”‚ β”œβ”€β”€ 1_2.tif
β”‚ └── ...
β”œβ”€β”€ sars/ (SAR image)
β”‚ β”œβ”€β”€ 1_1_0.tif
β”‚ β”œβ”€β”€ 1_1_1.tif
β”‚ β”œβ”€β”€ 1_2_0.tif
β”‚ β”œβ”€β”€ 1_2_1.tif
β”‚ └── ...
β”œβ”€β”€ labels/
β”‚ β”œβ”€β”€ 1_1.tif
β”‚ β”œβ”€β”€ 1_2.tif
β”‚ └── ...
└── README.md
```
- Each sample consists of three images: one optical image and two SAR images. For example, the optical image is stored as β€˜opts/1_1.tif’, and the corresponding SAR images are β€˜sars/1_1_0.tif’ and β€˜sars/1_1_1.tif’, representing the VV and VH polarization channels, respectively.
- The corresponding sea-land segmentation map is stored in the `lbls` directory.
---
## Labels
The label files are binary masks:
- Pixel value `0`: land
- Pixel value `1`: sea
---
<!-- ## Potential Applications
- Glacier dynamics monitoring
- Polar environmental change detection
- Multispectral image analysis
- Time-series remote sensing research
- Climate-related environmental studies
--- -->
<!-- ## Dataset Access
The complete dataset is publicly available on GitHub:
πŸ‘‰ [https://github.com/cuibinge/Glacier-Dataset](https://github.com/cuibinge/Glacier-Dataset)
--- -->
<!-- ## Citation
If you use this dataset in your research, please cite:
**VPGCD-Net: A Visual Prompt Driven Network for Glacier Change Detection in Remote Sensing Imagery**. Zhishen Shi, Bing'e Cui, et al. *IEEE Geoscience and Remote Sensing Letters*, 2025.
--- -->
## Contact
For dataset-related inquiries, please contact:
πŸ“§ [email protected]