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INSPIRE_GWF2015: UAVs reduce risk of misinterpretation of data on site

Vegetation discrimination using the new Optech titan multispectral liDAR sensor. Courtesy: optechLisbon: Sirius Pro is essential for survey work, and saves time and money on projects, stated Tim Riome, Director of UAV operations, Caintech, Scotland. While giving a presentation on ‘UAVs-Virtual Ground Control Points using RTK GNSS’ at the Geospatial World Forum 2015, he explained the workflow of Sirius Pro, which provides client with data presented as they are used to seeing it, but with additional benefit available in background. “The Sirius Pro does not require GCP's as it utilises on board RTK for geo-referencing,” said Riome.

Peter Reiger, Manager ALS Business Division, RIEGL, highlighted the use of precision agriculture and functions of RIEGL RiCOPTER with VUX-SYS. “The online waveform processing technique enables multiple target capability and high measurement accuracy,” said Reiger. Harm Bartholomeus, Wageningen University, the Netherlands, shared his experiences and stories about the kind of work that is being done at the Unmanned Aerial Remote Sensing Facil[email protected] In his detailed presentation, he explained the use of UAVs a number of applications like habitat monitoring, precision agriculture and land degradation assessment and enlightened the audience about the Hyperspectral Mapping System (HYMSY), which comprises of a Pushbroom spectrometer, a consumer RGB camera and has accuracy of 4m/0.25°. “75% of the world’s population do not have access to formal systems to register and safeguard their land rights. There is an urgent need to build affordable and sustainable systems to identify the way land is occupied and used,” said Kartherine Kelm of the World Bank. She suggested that the UAS-based approach can used for acquiring current high-res imagery for multiple purposes, for creating virtual models for realistic visualisation and promoting participation of landholders and other stakeholders.

"A multispectral LiDAR sensor has a lot of advantages. Multiple wavelengths provide increased surface information extraction, high-accuracy ground models and it is operational during the day and night (radiometrically consistent),”said Michael R Sitar, Optech’s Business Manager for Airborne Mapping Solutions. “Titan is a paradigm shift from what has traditionally been possible using airborne LiDAR. It represents a premium environmental mapping solution capable of much more than simple coordinate measurement,” added Sitar.

Source: Our correspondent