Laser Scanning Technology Challenged

Shortcomings in Spatial Documentation of Heritage Sites
In this month’s Insider’s View Prof. Heinz Rüther puts some critical points on the shortcomings of laser-scanning technology in the spatial documentation of heritage sites. We invited manufacturers of laser-scanning sensors and software to comment on his challenging observations. Nearly 70% of the companies responded (ten in total) and seven felt qualified to reply: Optech, Riegl, Leica Geosystems, 3rd Tech, Visual Learning Systems, TopoSys and I-SiTE 3D Laser Imaging. We thank all respondents for their time and effort. Critical observations made by Prof. Heinz Rüther include the following. (1) The processing time of laser-scan data can be up to ten... (read more)
2007-02-23 12:00:00

Linking Space Technology and User Needs

GIM International interviews Carlo des Dorides, Executive Director, GSA
Space technology has a big influence on the transformation of the way we live, work and play. The core mission of the European Global Navigation Satellite Systems Agency (GSA) is to ensure that European Union citizens get the most out of Europe’s satellite navigation programmes. In this in-depth interview GSA’s executive director, Mr Carlo des Dorides, talks about Galileo, EGNOS, Copernicus, UAVs, location-based services and much more. The developments in the GNSS industry are continuing at a steady pace. Where do we stand now? As our GNSS Market Report shows, the global GNSS market remains dynamic. GNSS is used around... (read more)
2017-02-06 10:32:07

Optimistic Outlook for Galileo

This month we bring you an extended interview with engineer Pedro Pedreira, executive director of the European Global Navigation Satellite System Supervisory Authority (GSA)since July 2005, the body charged with managing the development phase of the much-troubled European Satellite navigation system Galileo. Our wide-ranging discussion with Pedreira appears on these pages accompanied by detailed background information (boxed text). Despite the spiralling costs of Galileo, its anticipated economic benefits, in terms of revenue, employment and expanding markets, are many. Galileo is being funded by the EU taxpayer, so it is important that these benefits be realised. Please introduce yourself and tell... (read more)
2009-05-20 12:00:00

How YellowScan is Pioneering in the World of UAVs and Lidar

Crossing the Ocean Marks New Milestone in Company’s Advance
YellowScan is one of the most eye-catching companies in the world of unmanned aerial vehicles (UAVs) and Lidar. From its beginnings as a small start-up created by professional surveyors with the goal to revolutionise the market, YellowScan has since become an established name thanks to a passionate team keen to deliver the best Lidar solutions that enable customers to achieve the best results from their projects. The French company has now decided to broaden its horizons by opening an office in North America. This article provides insight into YellowScan’s continuing journey towards making UAVs and Lidar a mainstream solution for... (read more)
2018-07-18 11:56:00

Which Photogrammetry Solutions Are Surveyors Waiting For?

Exploring the Demands of Geoprofessionals
Photogrammetry is a well-established technique for acquiring dense 3D geospatial information. In fact, the method is as old as modern photography, dating back to the mid-19th century. The science has continued to evolve over time, of course, and – especially in view of the recent advancements in computer vision and machine learning – the technology is no longer as simple as it may seem. Developers of photogrammetric equipment and software face the challenge of providing the mapping and surveying community with solutions that are sophisticated, yet also meet high customer expectations in terms of user-friendliness. At 'GIM International', we conducted... (read more)
2018-10-14 05:29:57

Standards Are a Great Help for Establishing Land Administration

GIM International Interviews Christiaan Lemmen
In 2017 Dr Christiaan Lemmen, a former contributing editor of 'GIM International', was appointed as professor of land administration modelling at Twente University’s Faculty ITC for Geo-Information Science and Earth Observation. He is the leading designer of the ISO 19152 international standard for geographic information – Land Administration Domain Model (LADM), the second edition of which has been in development since 2018. In this interview, he discusses the importance of LADM standards, poverty and tenure security, and the long and winding road to put well-functioning land administration in place in developing countries. The Land Administration Domain Model is actually an... (read more)
2019-05-28 01:39:20

INSPIRE Boosts Spatial Data Sharing

GIM International interviews Joeri Robbrecht
The INSPIRE Directive was introduced in 2007 and should reach full implementation in 2020. Today, over halfway through the process, various important milestones have already been achieved while others still lie ahead. GIM International took the opportunity to join Joeri Robbrecht, policy analyst for the DG Environment of the European Commission, in reflecting on the journey so far and looking ahead to the future direction. Read on for the interview. What is the European Commission’s opinion of the current state of implementation?  The European Commission has assessed the state of implementation and the fitness of the INSPIRE Directive for its... (read more)
2016-06-01 03:46:49

InSAR Used to Create Ground Stability Maps

Zooming on a Groundbreaking Revolution
Satellite radar interferometry (InSAR) is a technique that can measure millimetre-scale movement of the ground from space. It does this by comparing the return echoes, and thus the signal-path length, from two or more radar images taken over the same place, over time. Modern InSAR is now used by a range of industries concerned with ground or structural stability, from building development and control, to oil and gas production, to mining, to road and rail management. This article explains some key aspects of InSAR technology, including its innovative use to produce ground stability maps. Phase Shifters InSAR is based upon... (read more)
2019-03-07 05:09:42

Singapore: Towards a Smart Nation

Underpinned by a 3D National Map
Since the inception of its Smart Nation programme in 2014, Singapore has emerged as a world leader in smart city initiatives. One of the centrepieces of Singapore’s strategy has been the development of a highly accurate, 3D digital map of the country to support key functions such as urban planning, flood control and civil aviation. The creation of this national 3D map has involved the use, adoption and development of world-leading surveying, mapping and GIS technologies. Read on for an article explaining the various challenges in creating and maintaining the required data, and how it will be used to its... (read more)
2017-05-11 09:04:08

Digital Aerial Cameras

New Developments
The growing need for geo-data everywhere is driving customers to demand shorter turnaround rates and higher levels of detail. These needs can be met by aerial imagery directly captured in digital format onboard an aircraft. In tandem with the new product survey on Digital Aerial Cameras (see our website), the author here gives an overview of new developments. In my overview published in GIM International April 2008, I categorised the various digital aerial cameras under linear- and area-array solutions: one of many possible groupings for these systems. Another, based on technological criteria, considers dimension (size, weight and number of pixels... (read more)
2011-03-28 04:13:34
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