Tomnod Team Thoughts

Counting seals in Antarctica

Weddell seals: Antarctica’s extreme mammal Weddell seals are one of Antarctica’s icons. Besides being undeniably charismatic, they are the southern-most mammal in the world, can live up to 30 years, and they are perfectly adapted to living in some of the harshest conditions on the planet. Research on Weddell seals...
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Finding Swimming Pools in Australia using Deep Learning

Background In a recent project, we found which of ~700000 property parcels in Adelaide, Australia, contain swimming pools. We used a combination of crowdsourcing and supervised machine learning in order to harness the inherent ability of humans to identify objects in imagery and the speed of machines, which can perform...
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Using Crowdsourcing and Machine Learning to locate swimming pools in Australia

Problem As part of a recent campaign, we asked our crowd to classify 693802 property parcels in Adelaide, Australia, in parcels that contain a swimming pool (‘yes’) and parcels that do not (‘no’). The campaign was sponsored by a private company that compiles public and private sector data for a...
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Mapping Ethiopia's Population

Ethiopia is the tenth largest African nation, encompassing more than 1,100,000 km2. It’s estimated that 99,400,000 people live in this vastly rural country, but factors such as the high number of mortalities due to preventable and curable diseases make it difficult to be confident in such estimates. Devising data-driven population...
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That came from a satellite? High angle satellite images

When I started working at DigitalGlobe in 1999, our ability to capture such clear and highly accurate satellite imagery from a camera flying through space blew me away. I was curious about how it all worked so I began hanging around the spacecraft engineers. They taught me about a number...
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