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Comparing DIM and TLS

Photogrammetry and terrestrial laser scanning (TLS) are both proven technologies for archaeological documentation. Dense image matching (DIM) has evolved rapidly since 2010 and enables the highly automatic creation of detailed...

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Modelling Prague Castle with a UAS

In a recent project to obtain detailed and accurate orthoimages and 3D models to support technical staff in maintaining Prague Castle in the Czech Republic, the site was captured by...

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Bringing Heritage to the Public

Throughout the world, many important heritage and archaeological sites are vulnerable and exposed to threats. Natural disasters, such as earthquakes and violent storms, have led to the destruction of countless...

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GSDI Support for SDI Initiatives Continues

In 2014, the GSDI Association was once again able to support international spatial data infrastructure (SDI) initiatives through the Small Grants Program. With resources and cooperation from Natural Resources Canada’s...

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UAS and Flooding

Heavy rainfall in late May and early June 2013 caused the Elbe, Vltava and Kamenice rivers to burst their banks in the Czech Republic. Among other areas, the Troja area...

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Digital Oblique Aerial Cameras (1)

It has become customary for me to provide a survey article on digital aerial cameras in the April issue of GIM International every three years. The previous survey (April 2011;...

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