Major advances in smartphones and tablets in terms of their built-in sensors (esp. cameras),
available computational power and on-board memory are transforming the role of such …

Traditionally, topographic surveying in earth sciences requires high financial investments,
elaborate logistics, complicated training of staff and extensive data processing. Recently, off …

Reliable particle measurements are essential when investigating the size and shape of
particles in various fields of study, including engineering geology. Common methods to …

Rock slope monitoring is an important aspect of better understanding the deformation
behaviours and failure mechanisms of rock slopes. In this study, a multi-smartphone …

Georeferencing using ground control points (GCPs) is the most common strategy in
photogrammetry modeling using unmanned aerial vehicle (UAV)-acquired imagery. With the …

This paper introduces a comprehensive protocol leveraging open-access techniques to
create small-to medium-scale 3D representations of the environment by using iPhone and …

We combined structural data collected in the field and those obtained from a virtual outcrop
model constructed from drone imagery, to perform Discrete Fracture Network (DFN) …

We are witnessing a digital revolution in geoscientific field data collection and data sharing,
driven by the availability of low-cost sensory platforms capable of generating accurate …

Photogrammetry is experiencing an era of democratization mostly due to the popularity and
availability of many commercial off-the-shelf devices, such as drones and smartphones …

The roughness of rock joint surfaces plays a vital role in the hydrological and mechanical
properties of discontinuous rock masses. Applicable and reliable measurements are …