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README.md
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This dataset provides curated 224x224 and 256x256 Lunar Reconnaissance Orbiter Camera (LROC) Narrow Angle Camera (NAC) tiles representing confirmed lunar volcanic pits (caves/skylights) and geological control features.
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## Dataset Overview & Improvements in v2
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* **Ground-Truth Precision (SELENE-PITS Source):** All 278 true positive pits originate from the high-precision `F1nnSBK/SELENE-PITS` catalog, where every candidate coordinate was ray-traced using NASA SPICE kernels and auto-centered on the deep interior shadow core (sub-pixel accuracy, zero pointing drift).
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This dataset provides curated 224x224 and 256x256 Lunar Reconnaissance Orbiter Camera (LROC) Narrow Angle Camera (NAC) tiles representing confirmed lunar volcanic pits (caves/skylights) and geological control features.
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<div align="center">
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<img src="figures/umap_3_clusters_visualized.svg" width="750px" alt="Sample Tiles: Lunar Pits vs Hard Negatives vs Background Controls" />
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</div>
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## Dataset Overview & Improvements in v2
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* **Ground-Truth Precision (SELENE-PITS Source):** All 278 true positive pits originate from the high-precision `F1nnSBK/SELENE-PITS` catalog, where every candidate coordinate was ray-traced using NASA SPICE kernels and auto-centered on the deep interior shadow core (sub-pixel accuracy, zero pointing drift).
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