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Building a STAC server to avoid scanning 3.8 million tiles

The GeoTessera project produces 128-channel geospatial embeddings from Sentinel satellite imagery. The dataset is tiled at 0.1-degree resolution across the globe, covering 9 years and comprising roughly 3.8 million tiles, each containing embeddings and scale-factor files.

17 Apr 2026

Marc Elvers

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1st TESSERA/CoRE hackathon at the Indian AI Summit

First TESSERA hackathon held at the Indian AI Impact Summit in Delhi, exploring integration with IIT-Delhi's CoRE Stack for geospatial analysis and testing TESSERA labeling workflows.

19 Feb 2026

Anil Madhavapeddy's Blog

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Tile Server

My throw-away comment at the end of my earlier post shows my scepticism that the JSON file approach was really viable.

02 Dec 2025

Marc Elvers

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