# Benchmark V1 Split Report

## Overall

- split_name: random_64_16_20
- split_seed: 42
- split_policy: global 80/20 trainval/test, then 80/20 train/validation within trainval
- excluded_cities: Taiwan, HongKong
- tiles_1024: 61215
- patches_256: 979440
- cities: 24
- countries: 10
- continents: 6
- annotations: 5222816
- unknown_height_annotations: 0
- estimated_height_annotations: 18548

## Split Counts

- train: tiles=39178, patches_256=626848, ratio=64.00%
- val: tiles=9794, patches_256=156704, ratio=16.00%
- test: tiles=12243, patches_256=195888, ratio=20.00%

## Tiles By Continent

- Africa: 5473
- Asia: 1554
- Europe: 21080
- NorthAmerica: 20177
- Oceania: 740
- SouthAmerica: 12191

## Tiles By Country

- Australia: 740
- Brazil: 12191
- Canada: 8597
- Denmark: 1803
- France: 6879
- Germany: 10562
- Japan: 1554
- Netherlands: 1836
- SouthAfrica: 5473
- USA: 11580

## Tiles By City

- Africa_SouthAfrica_CapeTown: 5473
- Asia_Japan_Osaka: 1554
- Europe_Denmark_Aarhus: 95
- Europe_Denmark_Copenhagen: 1618
- Europe_Denmark_Odense: 90
- Europe_France_Lyon: 101
- Europe_France_Marseille: 159
- Europe_France_Paris: 6294
- Europe_France_Strasbourg: 94
- Europe_France_Toulouse: 231
- Europe_Germany_Berlin: 10355
- Europe_Germany_Frankfurt: 99
- Europe_Germany_Munich: 108
- Europe_Netherlands_Amsterdam: 1836
- NorthAmerica_Canada_Toronto: 8471
- NorthAmerica_Canada_Vancouver: 126
- NorthAmerica_USA_Chicago: 120
- NorthAmerica_USA_LosAngeles: 123
- NorthAmerica_USA_NewYork: 11172
- NorthAmerica_USA_SanFrancisco: 87
- NorthAmerica_USA_Seattle: 78
- Oceania_Australia_Melbourne: 602
- Oceania_Australia_Sydney: 138
- SouthAmerica_Brazil_SaoPaulo: 12191

## Split Countries

- train: {'Australia': 464, 'Brazil': 7803, 'Canada': 5541, 'Denmark': 1134, 'France': 4401, 'Germany': 6760, 'Japan': 970, 'Netherlands': 1180, 'SouthAfrica': 3561, 'USA': 7364}
- val: {'Australia': 122, 'Brazil': 1963, 'Canada': 1320, 'Denmark': 302, 'France': 1149, 'Germany': 1706, 'Japan': 248, 'Netherlands': 301, 'SouthAfrica': 873, 'USA': 1810}
- test: {'Australia': 154, 'Brazil': 2425, 'Canada': 1736, 'Denmark': 367, 'France': 1329, 'Germany': 2096, 'Japan': 336, 'Netherlands': 355, 'SouthAfrica': 1039, 'USA': 2406}

## Notes

- Split files are generated at `splits/random_64_16_20/`.
- All 256 patches inherit the split of their parent 1024 tile.
- Paths in manifests are relative to the Hugging Face dataset repository root.
- `city_coverage.csv` lists every included release folder and its source directory.