Now showing items 1-15 of 15

  • Airborne spray drift measurement using passive collectors and lidar Systems 

    Gregorio, Eduard; Solanelles, Francesc; Rocadenbosch Burillo, Francisco; Rosell Amigó, Juan Ramón; Sanz, Ricardo (2009)
    Conference lecture
    Restricted access - publisher's policy
    Minimization of the risk associated with spray applications requires a proper understanding of the spray drift phenomenon. This fact has led to the development of several techniques to measure the deposition on horizontal ...
  • Design methodology of a ceilometer lidar prototype 

    Gregorio, Eduard; Rocadenbosch Burillo, Francisco; Comerón Tejero, Adolfo (2007)
    Conference report
    Restricted access - publisher's policy
    This article presents step-by-step applied methodology to design a 905-nm 5-kHz rep. rate diode-laser biaxial lidar ceilometer prototype beginning from the definition of initial specs, and related trade-offs to the first ...
  • Eye-safe lidar system for pesticide spray drift measurement 

    Gregorio, Eduard; Rocadenbosch Burillo, Francisco; Sanz Cortiella, Ricardo; Rosell-Polo, Joan R. (2015-02)
    Article
    Open Access
    Spray drift is one of the main sources of pesticide contamination. For this reason, an accurate understanding of this phenomenon is necessary in order to limit its effects. Nowadays, spray drift is usually studied by using ...
  • First measurements with a lidar system specifically designed for spray drift monitoring 

    Gregorio, Eduard; Torrent, Xavier; Solanelles, Francesc; Sanz Cortiella, Ricardo; Rocadenbosch Burillo, Francisco; Masip, Joan; Ribes-Dasi, Manuel; Planas, Santiago; Rosell Polo, Joan R. (2015)
    Conference report
    Restricted access - publisher's policy
    Pesticide spray drift is usually measured by means of passive collectors and tracers. However, there are several drawbacks to their use, related to the fact of being a time-consuming, single-point and time-averaged ...
  • Fruit detection and 3D location using instance segmentation neural networks and structure-from-motion photogrammetry 

    Gené Mola, Jordi; Sanz Cortiella, Ricardo; Rosell Polo, Joan Ramon; Morros Rubió, Josep Ramon; Ruiz Hidalgo, Javier; Vilaplana Besler, Verónica; Gregorio, Eduard (2020-01-13)
    Article
    Restricted access - publisher's policy
    The development of remote fruit detection systems able to identify and 3D locate fruits provides opportunities to improve the efficiency of agriculture management. Most of the current fruit detection systems are based on ...
  • Fruit detection in an apple orchard using a mobile terrestrial laser scanner 

    Gené-Mola, Jordi; Gregorio, Eduard; Guevara, Javier; Auat, Fernando; Sanz-Cortiella, Ricardo; Escolà, Alexandre; Llorens, Jordi; Morros Rubió, Josep Ramon; Ruiz Hidalgo, Javier; Vilaplana Besler, Verónica; Rosell-Polo, Joan R. (Elsevier, 2019-11-01)
    Article
    Restricted access - publisher's policy
    The development of reliable fruit detection and localization systems provides an opportunity to improve the crop value and management by limiting fruit spoilage and optimised harvesting practices. Most proposed systems for ...
  • KFuji RGB-DS database: Fuji apple multi-modal images for fruit detection with color, depth and range-corrected IR data 

    Gené Mola, Jordi; Vilaplana Besler, Verónica; Rosell Polo, Joan Ramon; Morros Rubió, Josep Ramon; Ruiz Hidalgo, Javier; Gregorio, Eduard (Elsevier, 2019-07-19)
    Article
    Open Access
    This article contains data related to the research article entitle “Multi-modal Deep Learning for Fruit Detection Using RGB-D Cameras and their Radiometric Capabilities” [1]. The development of reliable fruit detection and ...
  • LIDAR as an alternative to passive collectors to measure pesticide spray drift 

    Gregorio, Eduard; Rosell-Polo, Joan R.; Sanz Cortiella, Ricardo; Rocadenbosch Burillo, Francisco; Solanelles, Francesc; Garcerá, Cruz; Chueca, Patricia; Arnó, Jaume; Del Moral, Ignacio; Masip, Joan; Camp, Ferran; Viana, Rafarl; Escolà, Alexandre; Gràcia, Felip; Planas, Santiago; Moltó, Enrique (2014-01)
    Article
    Restricted access - publisher's policy
    Pesticide spray drift entails a series of risks and costs in terms of human, animal and environmental well-being. A proper understanding of this phenomenon is essential to minimise these risks. However, most conventional ...
  • Lidar: towards a new methodology for field measurement of spray drift 

    Gregorio, Eduard; Torrent, Xavier; Solanelles, Francesc; Sanz, R.; Rocadenbosch Burillo, Francisco; Masip, J.; Ribes Dasi, Manel; Planas, S; Rosell Polo, Joan Ramon (2016)
    Article
    Open Access
    Lidar technology is becoming a promising alternative for spray drift measurement to the labour and time-expensive methodologies based on the ISO 22866 standard. This paper presents last advancements in an eye-safe lidar ...
  • Measurement of pesticide spray drift with a specifically designed lidar system 

    Gregorio, Eduard; Torrent, Xavier; Planas, Santiago; Solanelles, Francesc; Sanz Cortiella, Ricardo; Rocadenbosch Burillo, Francisco; Masip, Joan; Ribes Dasi, Manel; Rosell Polo, Joan Ramon (2016-04-08)
    Article
    Open Access
    Field measurements of spray drift are usually carried out by passive collectors and tracers. However, these methods are labour- and time-intensive and only provide point- and time-integrated measurements. Unlike these ...
  • Multi-modal deep learning for Fuji apple detection using RGB-D cameras and their radiometric capabilities 

    Gené Mola, Jordi; Vilaplana Besler, Verónica; Rosell Polo, Joan Ramon; Morros Rubió, Josep Ramon; Ruiz Hidalgo, Javier; Gregorio, Eduard (2019-07-01)
    Article
    Restricted access - publisher's policy
    Fruit detection and localization will be essential for future agronomic management of fruit crops, with applications in yield prediction, yield mapping and automated harvesting. RGB-D cameras are promising sensors for fruit ...
  • Perspective of remote optical measurement techniques 

    Gregorio, Eduard; Rocadenbosch Burillo, Francisco (2007)
    Conference report
    Restricted access - publisher's policy
    This article presents an intercomparison between four different ROMTs: differential optical absorption spectroscopy (DOAS), differential absorption LIDAR (DIAL), Fourier transform infrared spectroscopy (FTIR), and tunable ...
  • Polarization lidar detection of agricultural aerosol emissions 

    Gregorio, Eduard; Gené Mola, Jordi; Sanz Cortiella, Ricardo; Rocadenbosch Burillo, Francisco; Chueca, Patricia; Arnó Satorra, Jaume; Solanelles, Francesc; Rosell Polo, Joan Ramon (2018-04-18)
    Article
    Open Access
    Agricultural aerosol emissions can significantly impact human and animal health as well as the environment. Therefore, it is essential to adopt new sensing techniques for real-time monitoring these emissions in high temporal ...
  • Six-channel polychromator design and implementation for the UPC elastic/Raman LIDAR 

    Kumar, Dhiraj; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Comerón Tejero, Adolfo; Muñoz, Constantino; Lange, Diego; Tomás Martínez, Sergio; Gregorio, Eduard (SPIE, 2011)
    Conference lecture
    Open Access
    A 6-channel dichroic-based polychromator is presented as the spectrally selective unit for the U.P.C. elastic/Raman lidar. Light emission is made at 355-nm (ultraviolet, UV), 532-nm (visible, VIS) and 1064-nm (near infrared, ...
  • Spray drift measurement using a UV lidar system 

    Gregorio, Eduard; Rosell, J. R.; Sanz, R.; Rocadenbosch Burillo, Francisco; Solanellas, F.; Garcerá, Cruz; Chueca, Patricia; Arnó, J.; Del Moral, Ignacio; Masip, J.; Camp, F.; Viana, Rafarl; Escolà, A.; Gràcia, F.; Planas, S; Moltó, Enrique (Universitat Politècnica de València, 2013)
    Conference report
    Restricted access - publisher's policy
    Range-resolved lidar systems, principally the elastic ones, have been used in a number of studies for pesticide spray drift monitoring in both aerial and ground spray treatments (Gregorio et al., 2011). In most cases, lidar ...