Show HN: TerrainSR – fast, realistic heightmap upscaling model

Automated excerpt

TerrainSR is a model that allows you to generate realistic higher-detail terrain height data from lower-detail terrain height data. It is trained on 100m -> 10m pairs, and will give good results for higher-resolution than 100m data (even extrapolating down past 10m detail) but will break down with lower-resolution data than that. In some cases this can do odd things like turn steep data for large buildings in the 100m data into hills.

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