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Handheld Lidar Creates Leaning Tower of Pisa in 3-D

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HIGHETT, Australia, Sept. 27, 2013 — Using a handheld laser mapping system, Australian researchers have created the first-ever 3-D map of the inside of Italy’s Leaning Tower of Pisa, a site whose cramped stairs and complex architecture have prevented previous mapping technologies from capturing its interior. Developed by the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia’s national science agency, the technology — Zebedee — incorporates a laser scanner that sways on a spring to capture millions of detailed measurements of a site as the user walks through. ...Read full article

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    Published: September 2013
    Glossary
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here is how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
    3-D mappingAustraliaBusinessCommonwealth Scientific and Industrial Research OrganisationCommunicationsCSIROEuropeFranco Tecchiahandheld mapping systemImagingItalyJonathan RobertsLeaning Tower of PisalidarPerceptual Robotics LaboratoryProject PisaResearch & TechnologyScuola Superiore Sant’ AnnaSSSAZebedeeLasers

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