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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Several "new" craters found in Siberia

At least seven newly created mysterious craters have now been officially discovered in Siberia, though satellite imagery suggests there may be as many as 20. The discovery of the first three last year caused a small media ...

dateFeb 25, 2015 in Earth Sciences weblog
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Biodiversity hotspot vegetation in decline

Vegetation growth in forests and shrublands of WA's global biodiversity hotspot are showing alarming declines, according to a recent study which found a quarter of the hotspot's woody vegetation had disappeared in the past ...

dateMay 09, 2016 in Environment
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