Simon Willison’s Weblog

PythonInterface—OpenCV (via) OpenCV’s new Python interface looks very nice. I’d love to see some full fledged examples of using it to solve real-world computer vision problems. 4th January 2010, 11:33 am

Looking for tennis courts on aerial photos. ahathereitis.com shows a map of tennis courts in the Bay Area, identified using computer vision techniques (with OpenCV) applied to satellite photos. 5th December 2009, 8:56 am

PhotoSketch turns a rough sketch in to a photo montage (via) Computer vision is really exciting at the moment—Photosketch is an application which takes a rough labeled sketch, finds images matching the labels, filters them by the sketched shapes and composes them in to a not-too-bad photo montage. As wmf on Hacker News points out, “this technology has epic potential in the LOLcat market”. 6th October 2009, 7:59 am

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. 29th July 2009, 3:41 pm