February 2014
Beginner to intermediate
312 pages
11h 21m
English
Content preview from Big Data
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211Geoinformatics and Social Media
capturing millions of image pixels per second, while it also simultaneously scans
thousands of point locations to generate thick point clouds (Golovinskiyetal.,2009).
At the same time, video surveillance is generating massive datasets using ground- or
airborne-based platforms. DARPA recently unveiled ARGUS-IS (Engadget, 2013) a
1.8-gigapixel video surveillance platform that can monitor a 25 km
2
wide area at a
pixel resolution of 15 cm and temporal resolution of 12 fps from an altitude of 6km.
At the same time, ground-based video surveillance has been growing extremely
rapidly. As a telling reference, in the United Kingdom alone, it is estimated that
between 2 and 4 million CCTVs are deployed, with ov
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