Simon Willison’s Weblog

29th July 2009 - Link Blog

Building Rome in a Day (via) “The ﬁrst system capable of city-scale reconstruction from unstructured photo collections”—computer vision techniques used to construct 3D models of cities using 10s of thousands of photos from Flickr. Reminiscent of Microsoft PhotoSynth.

Posted 29th July 2009 at 3:41 pm

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Changes in the system prompt between Claude Opus 4.6 and 4.7 - 18th April 2026
Join us at PyCon US 2026 in Long Beach - we have new AI and security tracks this year - 17th April 2026
Qwen3.6-35B-A3B on my laptop drew me a better pelican than Claude Opus 4.7 - 16th April 2026

This is a link post by Simon Willison, posted on 29th July 2009.

3d 17 computer-vision 13 flickr 104 photos 17 photosynth 3 research 10 rome 1

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