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An IFSAR Quality Management System

Interferometric Synthetic Aperture Radar (IFSAR) is emerging as a highly cost-effective 3D mapping technology. Digital elevation models and ortho-rectified radar imagery are core commercial Intermap Technologies products using its airborne...

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Building Information System

In Lombardy (Italy) one has started a project on risk-assessment of buildings of historical-architectural importance. For this purpose a Building Information System (BIS) has been created, based on archived and...

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GPS: Position, Time and Distance

Receiver position is calculated from the position of satellites and the distances to them. Distance is calculated from the time a radio signal travels between satellite and receiver. But how...

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Field Area Checks Using GPS

The area of agricultural fields within the European Union (EU) are checked against claims to ensure that farmers receive the right amount of subsidies. This measure, stemming from EU Common...

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Medical Application of Multi-camera Systems

Medical applications such as bedsore analysis often require 3D surface reconstruction of the human body. Major surface reconstruction techniques are based on mechanical digitizers, laser scanners and vision systems, including...

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GIS… Helping Manage Our World

The continuing growth and exciting prospects facing the GIS industry were well reflected at the annual ESRI International User Conference held at the Convention Center in San Diego, California, USA...

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Scanner Image Sensors

This issue of GIM International presents a Product Survey on Large-format Scanners. Scanners are essential for entering data in hardcopy format, such as maps and images, into the computer. But...

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Enormously Exciting Future in Geomatics

Autumn 2005 brings at least two major changes to Leica Geosystems. The company has been taken over; in mid-October Sweden-based Hexagon formally took ownership. In addition, Hans Hess has left...

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