Satellite imagery use in disaster: Jim Gray would approve
DigitalGlobe was the same outfit that provided satellite imagery of the Pacific off the coast of San Francisco, when the highly respected researcher Jim Gray disappeared in 2007. The imagery was analyzed by volunteers, looking for 6-8 slightly darker pixels -- representing Gray's 42-foot sailboat -- out of 160,000 monochromatic gray ocean surface pixels per image. Two promising objects were identified in hundreds of square miles of ocean. The analysis of satrellite imagery through crowd-sourced volunteers to establish damage in the Philipines is another example of pushing the limits of available technology. Gray, who regretably was never found, would approve.