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Estimation of canopy attributes in beech forests using true colour digital images from a small fixed-wing UAV
2016
International Journal of Applied Earth Observation and Geoinformation
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We concluded that true colour UAV images can be effectively used to obtain rapid, cheap and meaningful estimates of forest canopy attributes at medium-large scales. ...
In this study we described a methodology to obtain rapid and reliable estimates of forest canopy from a small UAV equipped with a commercial RGB camera. ...
We concluded that true colour UAV images can be effectively used to obtain rapid, cheap and meaningful estimates of forest canopy attributes at medium-large scales. ...
doi:10.1016/j.jag.2015.12.005
fatcat:neqy7qx5tnfn3nqsdujzo6wm7u
Assessing the Raspberry Pi as a low-cost alternative for acquisition of near infrared hemispherical digital imagery
2018
Agricultural and Forest Meteorology
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Chianucci, F, Leonardo D, Donatella G, Daniele B, Vanni N, Cinzia L, 289 Andrea R and Piermaria C 2016: "Estimation of canopy attributes in beech 290 forests using true colour digital images from a small ...
fixed-wing 291 UAV." ...
doi:10.1016/j.agrformet.2018.05.004
fatcat:24wszqrhhvhgjhu3xygdxdjroe
Analysis of Unmanned Aerial System-Based CIR Images in Forestry—A New Perspective to Monitor Pest Infestation Levels
2015
Forests
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In this study, we used a small UAS equipped with a compact digital camera which has been calibrated and modified to record not only the visual but also the near infrared reflection (NIR) of possibly infested ...
These critical features can be identified in high-resolution colour infrared (CIR) images of the tree crown and branches level captured by Unmanned Aerial Systems (UAS). ...
Christoph Hentschel from the Regional Forest Board NRW (Soest) provided assistance and helpful comments during the field work-We are grateful for this helpful cooperation. ...
doi:10.3390/f6030594
fatcat:44znpak2jfdkbez44pzqozxsfm
Remote sensing for the Spanish forests in the 21st century: a review of advances, needs and opportunities
2019
Forest Systems
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Overall, we live in times of unprecedented opportunities for monitoring forest ecosystems with a growing support from RS technologies. ...
Currently, wall-to-wall optical and LiDAR data are extensively used for a wide range of applications—many times in combination—whilst radar or hyperspectral data are rarely used in the analysis of Spanish ...
In the same area Castedo Dorado et al. (2016) tested the UAV technology with RGB and NIR images (Ground Sample Distance, GSD = 0.15 m) acquired with a fixed-wing platform to map defoliation severity ...
doi:10.5424/fs/2019281-14221
fatcat:fzxqm3g2aza6tj45lrzvk4flza
Canopy Top, Height and Photosynthetic Pigment Estimation Using Parrot Sequoia Multispectral Imagery and the Unmanned Aerial Vehicle (UAV)
2021
Remote Sensing
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In this study, multi-spectral Unmanned Aerial Vehicle (UAV) images were used to estimate canopy parameters (definition of crown extent, top, and height, as well as photosynthetic pigment contents). ...
The UAV images in Green, Red, Red-Edge, and Near infrared (NIR) bands were acquired by Parrot Sequoia camera over selected sites in two small catchments (Czech Republic) covered dominantly by Norway spruce ...
Acknowledgments: We thank to Miroslav Barták for helping us with the chlorophyll analyses.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs13040705
fatcat:2ox3c4sw3vaknib4lkll74zjg4
Structure from Motion Photogrammetry in Forestry: a Review
2019
Current Forestry Reports
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In UAV imaging, James and Robson [46] suggest surveying with gently banked turns when using fixed wing UAVs, in order to achieve this. ...
UAV-SfM data has been consistently proven to be useful for forest inventories in a large variety of forest types, including temperate European beech forests in Italy [13•] , mangrove forests in Malaysia ...
doi:10.1007/s40725-019-00094-3
fatcat:betgfmarszavxgak2ykpb43nei
Drones for Biodiversity Conservation and Ecological Monitoring
2019
Figshare
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We also thank the Ebro Delta Natural Park and the Rangers Service of the Catalan Government for the facilities offered during the capture of UAV images. ...
Acknowledgments: We thank the Parrot Innovation Grant for the provision of the multispectral camera and the use of the Pix4D software. ...
in the eBee fixed wing UAV [69] . ...
doi:10.6084/m9.figshare.11322092.v1
fatcat:lzjshsnscnb2pnnn6j4k5vfejy
The current state of Białowieża Forest based on the results of the LIFE+ ForBioSensing project
[article]
2022
Zenodo
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Additionally, this type of data was intended to provide a reference point for analysing the condition of Białowieża Forest in subsequent decades using new methods of data analysis and interpretation. ...
Statistical methods were then used to characterise the state and direction of changes in Białowieża Forest. ...
We thank Rafał Paluch for coordinating the team from the Department of Natural Forests in Białowieża. ...
doi:10.5281/zenodo.6559266
fatcat:5owbkiqmyjbzvesozjbjhvvg2q
On the detection and monitoring of invasive exotic conifers in New Zealand using remote sensing
[article]
2020
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Remote sensing surveys potentially offer a useful solution as they can provide valuable information across large areas of challenging terrain and can deliver detailed information about targeted areas. ...
This resulted in exotic trees with vigourous growth, rapid maturity, and abundant seed production occurring in remote and mountainous areas from where they have spread. ...
A study was designed and installed to develop and test methods aimed at very early identification of invasive conifer invasions in a vulnerable ...
doi:10.26021/10392
fatcat:ag6ljmcocfaafpbvwrmp63dofy
Assessing the role of digital aerial photogrammetry for characterizing forest structure and enhancing forest inventories
2019
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In order to sustainably manage forest resources, a contemporary, dynamic, and consistent description of their state and extent must exist. ...
DAP data from these sites were analyzed to determine how, and to what extent, standard and novel inventory attributes can be accurately derived under specific image capture and data model circumstances ...
Fixed wing platforms Fixed-wing UAS consist of a single rigid wing with a predetermined aerofoil. ...
doi:10.14288/1.0376651
fatcat:u7zxhlhuh5g4fjpnearq7kqiri
50th Anniversary Conference Ecology Science in Transition, Science for Transition, 30th August – 1st September 2021, Braunschweig: Book of Abstracts
2021
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received from UAV. ...
the use of colour lightness as a sole predictor. ...
doi:10.24355/dbbs.084-202108120758-0
fatcat:rhobu4e35zb23i3dfvgqu5mukq
Farm Machinery and Processes Management in Sustainable Agriculture
2019
Farm Machinery and Processes Management in Sustainable Agriculture, X International Scientific Symposium
unpublished
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Policy (BELSPO) in the frame of a STEREO III project. ...
ACKNOWLEDGEMENTS The research was performed within the framework of a project of bilateral exchange of researchers between the Republic of Poland and the Republic of Austria entitled "Benefits of the use ...
The procedure for estimating the TRV of the SHD olive grove measured with UAV devices was based on a close-up photogrammetry from UAV and the use of object-based image analysis techniques (OBIA). ...
doi:10.24326/fmpmsa.2019.1.1
fatcat:novhbijkgbgqnabjzxbwiidzoy
Strategic scenography
2011
unpublished
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This is a multi-disciplinary perspective informed by a wide range of literature concerning perception, the aerial view, camouflage and the terrain model. ...
This dissertation is concerned with the construction of 'theatres of war' in the target landscapes of 20th century military conflict in Europe and America. ...
He decided to make Qalandia 2047 as a model using the photographic images from the camp. ...
doi:10.25365/thesis.13644
fatcat:bthscekutrezbjewfsimgdzwyy