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GTPBD-MM
GTPBD-MM is a multimodal global dataset for remote sensing-based terraced parcel extraction. Building upon the original GTPBD, this dataset augments each sample with unified textual descriptions and Digital Elevation Model (DEM) data, forming the first multimodal benchmark for terraced scenes that integrates imagery, text, and terrain modalities.
The dataset provides optical imagery, text descriptions, DEM, and three levels of annotations (parcel, mask, and boundary). It supports systematic evaluation under various settings: "Image-only", "Image+Text", and "Image+Text+DEM", aiming to facilitate research on the collaborative roles of visual appearance, textual semantics, and terrain geometry in understanding complex terraced landscapes.
The released version is in PNG format. If you require the original GeoTIFF (.tif) imagery for research purposes, please contact Zhiwei Zhang (zhangzhw65@mail2.sysu.edu.cn). The associated paper has been submitted to the ACM Multimedia 2026 Dataset Track and is currently under review. We will continue to update this repository in accordance with the publication timeline of the paper.
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