|DigitalGlobe Announces SpaceNet Challenge Round 2 Results and Future Challenges|
The SpaceNet Challenge Round 2, hosted on TopCoder, was a continuation of the first competition and invited participants to improve automated mapping algorithms for building footprint feature extraction from overhead imagery. Building on the success of the first competition, SpaceNet Round 2 incorporated several enhancements, including the release of higher resolution imagery from WorldView-3 (30 cm resolution), improved building footprint training data from four new geographically diverse areas and an extended competition length to provide more time for algorithm development.
The winning algorithms achieved performance with potential for automated mapping tasks. Such algorithms can help keep maps up-to-date at scale and serve end-users when current information is needed to direct resources, such as first responders during natural disasters. CosmiQ Works’ blog post provides further technical detail on the top three winning solutions. As in the first challenge, the winning algorithms are available to the open source community through the SpaceNet GitHub repository and users of DigitalGlobe’s Geospatial Big Data platform, GBDX.
“SpaceNet’s innovation is having a meaningful impact within the first
year, thanks to the collaboration between developers and data scientists
to apply open data and machine learning in the geospatial field,” said
The third SpaceNet Challenge will shift focus from automated building footprint extraction to road network extraction and optimized vehicle routing. This challenge will utilize machine learning to gain insights into transportation networks and navigation. The fourth competition will focus on processing off-nadir imagery produced by high-revisit constellations, like DigitalGlobe’s next-generation WorldView Legion constellation, in unprecedented rapid timelines and at global scale. The goal of this challenge will be to create algorithms that automatically detect objects from more diverse angles than current nadir imagery. More information on these upcoming challenges will be available as they approach starting in fall 2017.
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