marklit.bsky.social
@marklit.bsky.social
GeoDeep's AI Detection on Maxar's Satellite Imagery tech.marksblogg.com/geodeep-maxa...

I ran building, car, road and tree detection on imagery of Bangkok and Aircraft and multi-class detection on imagery of Myanmar.

Simple CLI, run ONNX-based models on GeoTIFFs and get GeoJSON out.
April 12, 2025 at 10:14 AM
December's Overture release is out. Here's my review: tech.marksblogg.com/overture-dec...

There is a small celebration of @opencholmes.bsky.social's Cloud-GeoParquet downloader for QGIS and a review of the 3D building support in Overture's Explorer.
December 19, 2024 at 7:54 AM
Smaller Satellite Images tech.marksblogg.com/planet-labs-...

I compare LZW compression to WEBP in one of Planet Lab's SkySat images of Kiribati. I managed to compress the image down to 30 MB from its original 877 MB.
December 1, 2024 at 9:53 AM
Language Translation with Python tech.marksblogg.com/language-tra...

This is super handy for anyone trying to keep an eye on second-hand marketplaces or watch European Real Estate document submission feeds.
November 25, 2024 at 2:08 PM
Foursquare's 104M Points of Interest tech.marksblogg.com/foursquare-o...
How is it that they're giving this away for free?!
November 21, 2024 at 5:29 PM
Using OSM's new vector tiles in QGIS tech.marksblogg.com/osm-mvt-vect...
November 20, 2024 at 10:24 AM
OpenStreetMap's New Vector Tiles tech.marksblogg.com/osm-mvt-vect...
November 20, 2024 at 10:23 AM
Oak Ridge National Laboratory has published a building footprint and address dataset for 131M+ Buildings in the US. tech.marksblogg.com/ornl-fema-bu...
ORNL had lots of help from Maxar, Lightbox, OSM and a ton of US agencies on this one.
November 6, 2024 at 8:14 AM