Jacob Aron reports on the promising new software developed by an international group of researchers that can recognize "what makes Paris look like Paris."
Researchers from Carnegie Mellon University in Pittsburgh and INRIA in Paris have written software that can recognize the unique architectural features that can distinguish one city from another.
According to Aron, "The researchers selected 12 cities from across the globe and analysed
10,000 Google Street View images from each. Their algorithm searches
for visual features that appear often in one location but infrequently
elsewhere...It turns out that ornate windows and balconies, along with unique blue-and-green street signs,
characterise Paris, while columned doorways, Victorian windows and
cast-iron railings mark London out from the rest. In the US, long
staircases and bay windows mean San Francisco, and gas-powered street
lamps are scattered throughout Boston."
According to the researchers, "The discovered visual elements can also support a variety of
computational geography tasks, such as mapping architectural
correspondences and influences within and across cities, finding
representative elements at different geo-spatial scales, and
geographically-informed image retrieval."
The team will present their work
at the SIGGRAPH graphics conference in Los Angeles in August.
FULL STORY: Software knows what makes Paris look like Paris
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