News tagged with satellite imagery

PolyU invention makes 3D mapping more accurate

The two major traditional 3D mapping techniques are photogrammetry using satellite/aerial imagery and laser scanning. The former offers higher accuracy in the horizontal direction while the latter shows higher accuracy in ...

dateJun 07, 2016 in Engineering
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NASA satellite sees Typhoon Champi elongating

Typhoon Champi appeared to be the victim of vertical wind shear in infrared imagery from NASA's Terra satellite. Champi has become elongated while moving through the western North Pacific Ocean and is expected to become extra-tropical ...

dateOct 23, 2015 in Earth Sciences
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