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LiDAR simulation in modelled orchards to optimise the use of terrestrial laser scanners and derived vegetative measures

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Issue date
2013
Author
Méndez, Valeriano
Catalán, Heliodoro
Rosell Polo, Joan Ramon
Arnó Satorra, Jaume
Sanz Cortiella, Ricardo
Suggested citation
Méndez, Valeriano; Catalán, Heliodoro; Rosell Polo, Joan Ramon; Arnó Satorra, Jaume; Sanz Cortiella, Ricardo; . (2013) . LiDAR simulation in modelled orchards to optimise the use of terrestrial laser scanners and derived vegetative measures. Biosystems Engineering, 2013, vol. 115, núm. 1, p. 7–19. https://doi.org/10.1016/j.biosystemseng.2013.02.003.
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Abstract
Light detection and ranging (LiDAR) technology is beginning to have an impact on agriculture. Canopy volume and/or fruit tree leaf area can be estimated using terrestrial laser sensors based on this technology. However, the use of these devices may have different options depending on the resolution and scanning mode. As a consequence, data accuracy and LiDAR derived parameters are affected by sensor configuration, and may vary according to vegetative characteristics of tree crops. Given this scenario, users and suppliers of these devices need to know how to use the sensor in each case. This paper presents a computer program to determine the best configuration, allowing simulation and evaluation of different LiDAR configurations in various tree structures (or training systems). The ultimate goal is to optimise the use of laser scanners in field operations. The software presented generates a virtual orchard, and then allows the scanning simulation with a laser sensor. Trees are created using a hidden Markov tree (HMT) model. Varying the foliar structure of the orchard the LiDAR simulation was applied to twenty different artificially created orchards with or without leaves from two positions (lateral and zenith). To validate the laser sensor configuration, leaf surface of simulated trees was compared with the parameters obtained by LiDAR measurements: the impacted leaf area, the impacted total area (leaves and wood), and the impacted area in the three outer layers of leaves.
URI
http://hdl.handle.net/10459.1/58067
DOI
https://doi.org/10.1016/j.biosystemseng.2013.02.003
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Biosystems Engineering, 2013, vol. 115, núm. 1, p. 7–19
European research projects
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  • Articles publicats (Enginyeria Agroforestal) [384]
  • Articles publicats (Grup de Recerca en AgròTICa i Agricultura de Precisió) [116]
  • Articles publicats (Agrotecnio Center) [1328]

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