Datasets:
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README.md
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## Image Details
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### Crown-view tiles (`crownview`)
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- **Source**: RGB COG rasters acquired over BCI (~
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- **Processing**: Each labeled crown polygon is tilerized using [geodataset](https://github.com/
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- **Format**: PNG-encoded RGBA, stored as HuggingFace `Image` feature
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### Close-up photos (`closeup`)
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## Source Data
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- **Site**:
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- **Crown polygons**: Produced by [CanopyRS](https://
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- **Aerial rasters**: Monthly RGB orthomosaics acquired over BCI (COG format), hosted by the CanopyRS platform
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- **Taxonomy**: Species names resolved against [GBIF Backbone Taxonomy](https://www.gbif.org/dataset/d7dddbf4-2cf0-4f39-9b2a-bb099caae36c) and [WCVP](https://wcvp.science.kew.org/)
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```bibtex
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@dataset{saharasha2025bcitemporal,
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author = {
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title = {{BCI Temporal Crown Dataset}:
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paired with ground-level close-up photos for tropical tree
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species recognition},
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year = {2025},
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publisher = {HuggingFace},
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url = {https://huggingface.co/datasets/sulagnasaharasha/bci-temporal},
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## Image Details
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### Crown-view tiles (`crownview`)
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- **Source**: RGB COG rasters acquired over BCI (~4 cm/px GSD)
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- **Processing**: Each labeled crown polygon is tilerized using [geodataset](https://github.com/hugobaudchon/geodataset). Pixels outside the crown polygon are **zeroed out** (alpha = 0 in RGBA). Images are center-cropped or zero-padded to 512 × 512.
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- **Format**: PNG-encoded RGBA, stored as HuggingFace `Image` feature
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### Close-up photos (`closeup`)
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## Source Data
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- **Site**: Barro Colorado Island (BCI)
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- **Crown polygons**: Produced by [CanopyRS](https://github.com/hugobaudchon/CanopyRS) using automated segmentation + expert annotation
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- **Aerial rasters**: Monthly RGB orthomosaics acquired over BCI (COG format), hosted by the CanopyRS platform
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- **Taxonomy**: Species names resolved against [GBIF Backbone Taxonomy](https://www.gbif.org/dataset/d7dddbf4-2cf0-4f39-9b2a-bb099caae36c) and [WCVP](https://wcvp.science.kew.org/)
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```bibtex
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@dataset{saharasha2025bcitemporal,
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author = {Saha, Sulagna},
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title = {{BCI Temporal Crown Dataset}: Understanding Representation Gaps across Scales in Tropical Tree Species Classification from Drone Imagery},
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year = {2025},
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publisher = {HuggingFace},
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url = {https://huggingface.co/datasets/sulagnasaharasha/bci-temporal},
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