Remote sensing is all about gathering information on the earth using techniques that are ‘at a distance’ rather than touching the earth. Generally speaking remote sensing produces either point cloud data or imagery. The data is further processed using [geographical information systems] as part of [cartography].

Often Remote Sensing is differentiated by the type of platform or sensor used. Platforms can range from satellites through aircraft and drones to cars and ships. From a sensor perspective, Remote Sensing is a broad field that encompasses techniques such as [photogrammetry] and [lidar] but also [echosounding]. Often a form of ground truthing is required to transform the Remotely Sensed data into comprehensible products.

UAV Remote Sensing for Smart Agriculture

UAV Remote Sensing for Smart Agriculture

‘Smart agriculture’, i.e. the efficient use of Earth's resources to feed the world, requires accurate and advanced data acquisition, modelling and management. UAVs can play a critical role in this...

Lidar Deep Learning for Ancient Maya Archaeology

Lidar Deep Learning for Ancient Maya Archaeology

While it is possible to capture ancient Maya sites hidden beneath jungle canopy in remote locations using airborne Lidar, identifying them is still a time-consuming process. Typically, 3D point clouds...

Reconstructing 3D Buildings Using Deep Learning

Reconstructing 3D Buildings Using Deep Learning

How can artificial intelligence and deep learning lead to a robust process for 3D city modelling? And what are some of the challenges? Automated classification and object detection in Lidar and imager...

Representing 3D Point Cloud Data

Representing 3D Point Cloud Data

Read this guide to the main 3D data representation methods to understand the key differences and choose the best method for your specific applications. The 3D data jungle in today’s computerized eco...

Predicting the Future by Mapping the Past

Predicting the Future by Mapping the Past

Lidar change detection (LCD) is one of the most capable techniques for mapping changing terrain through time. It can be applied in billion-dollar decisions to design, build and operate tunnels, bridge...

The Pitfalls of Working with Lidar

The Pitfalls of Working with Lidar

The arrival of unmanned aerial vehicles (UAVs or ‘drones’) has democratized the Lidar market forever. Everyday projects can be flown easier and faster, and sensors are getting lighter, more accura...

High-resolution Topography of a World Heritage Cave

High-resolution Topography of a World Heritage Cave

TLS and SfM photogrammetry have been used for the geodetic surveying and 3D mapping of the Ochtiná Aragonite Cave in Slovakia. This world-famous karst landscape of significant geological, geomorpholo...