UAV for 3D map** applications: a review

F Nex, F Remondino - Applied geomatics, 2014‏ - Springer
Unmanned aerial vehicle (UAV) platforms are nowadays a valuable source of data for
inspection, surveillance, map**, and 3D modeling issues. As UAVs can be considered as …

3‐D uncertainty‐based topographic change detection with structure‐from‐motion photogrammetry: precision maps for ground control and directly georeferenced …

MR James, S Robson, MW Smith - Earth Surface Processes …, 2017‏ - Wiley Online Library
Abstract Structure‐from‐motion (SfM) photogrammetry is revolutionising the collection of
detailed topographic data, but insight into geomorphological processes is currently restricted …

[HTML][HTML] Estimating biomass of barley using crop surface models (CSMs) derived from UAV-based RGB imaging

J Bendig, A Bolten, S Bennertz, J Broscheit, S Eichfuss… - Remote sensing, 2014‏ - mdpi.com
Crop monitoring is important in precision agriculture. Estimating above-ground biomass
helps to monitor crop vitality and to predict yield. In this study, we estimated fresh and dry …

Map** and classification of ecologically sensitive marine habitats using unmanned aerial vehicle (UAV) imagery and object-based image analysis (OBIA)

D Ventura, A Bonifazi, MF Gravina, A Belluscio… - Remote Sensing, 2018‏ - mdpi.com
Nowadays, emerging technologies, such as long-range transmitters, increasingly
miniaturized components for positioning, and enhanced imaging sensors, have led to an …

Structure from motion photogrammetric technique

A Eltner, G Sofia - Developments in Earth surface processes, 2020‏ - Elsevier
Abstract Structure from motion (SfM) with multiview stereo, a technique from photogrammetry
and computer vision that uses overlap** images to reconstruct 3D surface models, is a …

Direct georeferencing of ultrahigh-resolution UAV imagery

D Turner, A Lucieer, L Wallace - IEEE Transactions on …, 2013‏ - ieeexplore.ieee.org
Micro-unmanned aerial vehicles often collect a large amount of images when map** an
area at an ultrahigh resolution. A direct georeferencing technique potentially eliminates the …

Acoustic sensors for air and surface navigation applications

R Kapoor, S Ramasamy, A Gardi, RV Schyndel… - Sensors, 2018‏ - mdpi.com
This paper presents the state-of-the-art and reviews the state-of-research of acoustic
sensors used for a variety of navigation and guidance applications on air and surface …

[HTML][HTML] Testing accuracy and repeatability of UAV blocks oriented with GNSS-supported aerial triangulation

F Benassi, E Dall'Asta, F Diotri, G Forlani… - Remote Sensing, 2017‏ - mdpi.com
UAV Photogrammetry today already enjoys a largely automated and efficient data
processing pipeline. However, the goal of dispensing with Ground Control Points looks …

Accuracy analysis of photogrammetric UAV image blocks: Influence of onboard RTK-GNSS and cross flight patterns

M Gerke, HJ Przybilla - Photogrammetrie, Fernerkundung …, 2016‏ - research.utwente.nl
Unmanned aerial vehicles (UAV) are increasingly used for topographic map**. Despite
the flexibility gained when using those devices, one has to invest more effort for ground …

[HTML][HTML] Improving UAV-SfM time-series accuracy by co-alignment and contributions of ground control or RTK positioning

EW Nota, W Nijland, T de Haas - … Journal of Applied Earth Observation and …, 2022‏ - Elsevier
Abstract Unmanned Aerial Vehicle Structure from Motion (UAV-SfM) photogrammetry is
increasingly applied to topographic change detection, which requires multitemporal Digital …