Comparing Laser Scanning with Photogrammetry

The authors of this research study compared traditional photogrammetric methods to the use of laser scanning for cultural heritage and documentation. Bottom line – they found that laser scanning has a number of advantages over photogrammetry including speed of data collection, resolution and most importantly the direct production of 3D coordinates.

I like the way they support the notion of an “imaging laser scanner” based on the fact the scanner measures the “degree of reflection” of each measured point thereby producing in effect a black and white image. It’s a short, but interesting introduction to the use of laser scanning for historic preservation.

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