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A Brief Tutorial
Scanners for Very Large Objects
and Surveying Applications


Directory of Commercial Providers of this Technology ...

BUTNRE Technology Comparison Chart ...


Virtually all technologies that are used for scanning very large objects, such as large machinery and fabricated parts, vehicles, aircraft, buildings, construction and archaeological sites, mines and industrial plants, use lasers. The two basic choices are those that can survey an entire scene in a single sweep and those that are based on some form of laser tracking. The former offers faster data collection, while the latter offers greater accuracy. As in all other scanning situations, specifications overlap.

A few companies provide color laser scanning technology. For example, Minolta and 3rdTech, Inc. use laser scanning to make surface measurements and combine that data with color video information gathered separately. The choice of technology is largely driven by the specific application.

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RE Brief Tutorial Navigation
BUTN Scanning Technologies at a Glance
     BUTN Mechanical Touch-probe Systems
     BUTN Laser-based Systems
     BUTN Structured-light or Broadband-source Systems
     BUTN Seeing Inside - Internal Viewing Technologies

BUTNRE Technology Comparison Chart

BUTN 3D Metrology Systems for Manufacturing

BUTN Scanners for Very Large Objects and Surveying Applications

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REV 0 - - - 5/19/04