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Testing Aerial Digital Cameras

Aerial imaging for mapping purposes is increasingly done using digital cameras. The introduction of new models brings a steady rise in pixel volume, enabling wider swath width and thus reductions...

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Modelling the Great Wall of China

The Great Wall of China is one of the largest manmade wonders of the world, comprising many different and irregular structures. We employed airborne Lidar to produce highly accurate digital...

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LISA: a Japanese 3D Laser Scanner

Develo Inc. (Japan) has released LISA, a 3D laser scanner which can be used on moving platforms such as a cars, helicopters, and ships. In its compact body, LISA combines...

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Integrating GNSS and INS

GNSS provides accurate positional information with relatively low integrity, while INS offers position and attitude information subject to drift but with relatively high integrity. Integrating the two provides reliable and...

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Applanix' DSS Certified by USGS

Following an extensive examination and evaluation, the Applanix Airborne Digital Sensor System (DSS) has been granted full manufacturer certification by the United States Geological Survey (USGS). With this acknowledgment, the...

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Road Safety Analysis

With the growing interest in (inter)national road safety programmes comes a need for documentation of road systems for safety analysis and traffic-accident reconstruction studies. This requires reliable, accurate and timely...

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Lidar

This issue of GIM is largely devoted to emergent Lidar technology. We have a feature on 3D-visualisation of Lidar data co-authored by new contributing editor Dr Bharat Lohani of IIT...

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