News tagged with technique

Nano-watermark sorts fakes from genuines

Nanoga, an EPFL-based startup, has developed a technique to put a nanoscopic watermark onto glass or ceramic. Products with this watermark, which is invisible to the naked eye and only shows up under ultraviolet light, are ...

dateJun 27, 2016 in Nanomaterials
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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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