Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Julián Tomaštík"'
Publikováno v:
Data in Brief, Vol 53, Iss , Pp 110148- (2024)
The miniaturisation and decrease of price are amongst the main current trends in the area of Global Navigation Satellite Systems (GNSS) receivers. Besides standalone receivers also receivers incorporated into Android devices can provide raw GNSS meas
Externí odkaz:
https://doaj.org/article/349f4fc3d228427fa00bfdad86f3ae9f
Autor:
Juliána Chudá, Jozef Výbošťok, Julián Tomaštík, František Chudý, Daniel Tunák, Michal Skladan, Ján Tuček, Martin Mokroš
Publikováno v:
Land, Vol 13, Iss 1, p 93 (2024)
In this study, we evaluated the performance of GeoSLAM ZEB Horizon and Stonex X120GO SLAM handheld mobile laser scanners (HMLS) to address two primary objectives. First, we aimed to assess and compare the accuracy of positioning achieved using HMLS i
Externí odkaz:
https://doaj.org/article/3221a04471e04bbb9eb6810921cdbcb0
Publikováno v:
Land, Vol 12, Iss 5, p 1074 (2023)
Aerial laser scanning technology has excellent potential in landscape management and forestry. Due to its specific characteristics, the application of this type of data is the subject of intensive research, with the search for new areas of applicatio
Externí odkaz:
https://doaj.org/article/c5e5e0c2b6544e4ab357d43591da86b2
Autor:
Julián Tomaštík, Tim Everett
Publikováno v:
Sensors, Vol 23, Iss 6, p 3136 (2023)
The decrease in costs and dimensions of GNSS receivers has enabled their adoption for a very wide range of users. Formerly mediocre positioning performance is benefiting from recent technology advances, namely the adoption of multi-constellation, mul
Externí odkaz:
https://doaj.org/article/b351004cbca94ef8ab2225a20a31d996
Autor:
Martin Mokroš, Tomáš Mikita, Arunima Singh, Julián Tomaštík, Juliána Chudá, Piotr Wężyk, Karel Kuželka, Peter Surový, Martin Klimánek, Karolina Zięba-Kulawik, Rogerio Bobrowski, Xinlian Liang
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 104, Iss , Pp 102512- (2021)
The development of devices capable of generating three-dimensional (3D) point clouds of the forest is flourishing in recent years. It is possible to generate relatively dense and accurate 3D data not only by terrestrial laser scanning but also mobile
Externí odkaz:
https://doaj.org/article/7b96e934d6e344d69981dbca2876d61d
Publikováno v:
Remote Sensing, Vol 12, Iss 17, p 2739 (2020)
The knowledge of tree characteristics, especially the shape of standing trees, is important for living tree volume estimation, the computation of a wide range of forest stand features, and the evaluation of stand stability. Nowadays, nondestructive a
Externí odkaz:
https://doaj.org/article/4c844602ae1547e8ace1fb996920090f
Autor:
Livia Piermattei, Wilfried Karel, Di Wang, Martin Wieser, Martin Mokroš, Peter Surový, Milan Koreň, Julián Tomaštík, Norbert Pfeifer, Markus Hollaus
Publikováno v:
Remote Sensing, Vol 11, Iss 8, p 950 (2019)
The measurements of tree attributes required for forest monitoring and management planning, e.g., National Forest Inventories, are derived by rather time-consuming field measurements on sample plots, using calipers and measurement tapes. Therefore, f
Externí odkaz:
https://doaj.org/article/f74b1e75cf5d4396b3511b122a53a166
Publikováno v:
Remote Sensing, Vol 11, Iss 6, p 721 (2019)
Mapping hard-to-access and hazardous parts of forests by terrestrial surveying methods is a challenging task. Remote sensing techniques can provide an alternative solution to such cases. Unmanned aerial vehicles (UAVs) can provide on-demand data and
Externí odkaz:
https://doaj.org/article/3e3b0737686b40cf905f8fdcdd40cdaa
Publikováno v:
Geosciences, Vol 9, Iss 3, p 117 (2019)
An active gully-related landslide system is located in a deep valley under forest canopy cover. Generally, point clouds from forested areas have a lack of data connectivity, and optical parameters of scanning cameras lead to different densities of po
Externí odkaz:
https://doaj.org/article/4e9bec0be5d14dbfad5bacf6232b5195
Publikováno v:
Forestry: An International Journal of Forest Research. 94:292-310
Smartphones with their capability to receive Global Navigation Satellite Systems (GNSS) signals can be currently considered the most common devices used for positioning tasks, including forestry applications. This study focuses on possible improvemen