3D surveying of underground built heritage: Opportunities and challenges of mobile technologies

F Di Stefano, A Torresani, EM Farella, R Pierdicca… - Sustainability, 2021 - mdpi.com
Among the existing Cultural Heritage settings, Underground Built Heritage (UBH) represents
a peculiar case. The scarce or lack of knowledge and documentation of these spaces …

Surveying and high-resolution topography of the ochtiná aragonite cave based on tls and digital photogrammetry

K Pukanská, K Bartoš, P Bella, J Gašinec, P Blistan… - Applied Sciences, 2020 - mdpi.com
The Ochtiná Aragonite Cave (Slovakia, Central Europe) is a world-famous karst
phenomenon of significant geological, geomorphological, and mineralogical values. Its …

Filtering green vegetation out from colored point clouds of Rocky terrains based on various vegetation indices: comparison of simple statistical methods, support vector …

M Štroner, R Urban, T Suk - Remote Sensing, 2023 - mdpi.com
Filtering out vegetation from a point cloud based on color is only rarely used, largely due to
the lack of knowledge of the suitability of input information (color, vegetation indices) and the …

Cross-Polarized SfM Photogrammetry for the Spatial Reconstruction of Challenging Surfaces, the Case Study of Dobšiná Ice Cave (Slovakia)

K Bartoš, K Pukanská, Ľ Kseňak, J Gašinec, P Bella - Remote Sensing, 2023 - mdpi.com
Geodetic methods are integral to mapping surface and subsurface objects and phenomena.
Modern geodetic technologies such as laser scanning and digital photogrammetry have …

[PDF][PDF] Evaluation quality parameters of DEM generated with low-cost UAV photogrammetry and Structure-from-Motion (SfM) approach for topographic surveying of …

P Blistan, Ľ Kovanič, M Patera… - Acta Montanistica …, 2019 - researchgate.net
Conventional geodetic methods and instruments such as total station, or GNSS, are
commonly used for geodetic surveying of the ground surface. In recent years, with the …

Methodology and Results of Staged UAS Photogrammetric Rockslide Monitoring in the Alpine Terrain in High Tatras, Slovakia, after the Hydrological Event in 2022

Ľ Kovanič, M Štroner, R Urban, P Blišťan - Land, 2023 - mdpi.com
There are numerous talus cones that have formed by long-term geological processes and
sudden hydrological events in the Small Cold Valley (High Tatras National Park in Slovakia) …

Development of a hardbanding material for drill pipes based on high-manganese steel reinforced with complex carbides.

P Prysyazhnyuk, M MOLENDA… - Acta Montanistica …, 2022 - search.ebscohost.com
In the present study, the new" casing-friendly" hardbanding alloy based on high-manganese
steel reinforced with complex carbide particles was developed by combining thermodynamic …

Modelling the surface of racing vessel's hull by laser scanning and digital photogrammetry

K Bartoš, K Pukanská, P Repáň, Ľ Kseňak, J Sabová - Remote Sensing, 2019 - mdpi.com
The knowledge of the hull shape and geometry of a racing vessel is one of the most
important factors for predicting boat performance. The Offshore Racing Congress (ORC) …

Photogrammetric Measurement of Grassland Fire Spread: Techniques and Challenges with Low-Cost Unmanned Aerial Vehicles

M Marčiš, M Fraštia, T Lieskovský, M Ambroz, K Mikula - Drones, 2024 - mdpi.com
The spread of natural fires is a complex issue, as its mathematical modeling needs to
consider many parameters. Therefore, the results of such modeling always need to be …

[HTML][HTML] Comparison of Non-Contact Measurement Technologies Applied on the Underground Glacier—The Choice for Long-Term Monitoring of Ice Changes in …

L Dušeková, P Herich, K Pukanská, K Bartoš… - Remote Sensing, 2024 - mdpi.com
Because of the international significance of Dobšiná Ice Cave (Slovakia), it is important to
have proper data about the state, movement, or decrease of the ice in which various …