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http://hdl.handle.net/10261/137431
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dc.contributor.author | Borra-Serrano, Irene | - |
dc.contributor.author | Peña Barragán, José Manuel | - |
dc.contributor.author | Torres-Sánchez, Jorge | - |
dc.contributor.author | Mesas-Carrascosa, Francisco Javier | - |
dc.contributor.author | López Granados, Francisca | - |
dc.date.accessioned | 2016-09-29T08:46:56Z | - |
dc.date.available | 2016-09-29T08:46:56Z | - |
dc.date.issued | 2015-08-12 | - |
dc.identifier | issn: 1424-8220 | - |
dc.identifier.citation | Sensors 15: 19688-19708 (2015) | - |
dc.identifier.uri | http://hdl.handle.net/10261/137431 | - |
dc.description.abstract | Unmanned aerial vehicles (UAVs) combined with different spectral range sensors are an emerging technology for providing early weed maps for optimizing herbicide applications. Considering that weeds at very early phenological stages are similar spectrally and in appearance, three major components are relevant: spatial resolution, type of sensor and classification algorithm. Resampling is a technique to create a new version of an image with a different width and/or height in pixels, and it has been used in satellite imagery with different spatial and temporal resolutions. In this paper, the efficiency of resampled-images (RS-images) created from real UAV-images (UAV-images; the UAVs were equipped with two types of sensors, i.e., visible and visible plus near-infrared spectra) captured at different altitudes is examined to test the quality of the RS-image output. The performance of the object-based-image-analysis (OBIA) implemented for the early weed mapping using different weed thresholds was also evaluated. Our results showed that resampling accurately extracted the spectral values from high spatial resolution UAV-images at an altitude of 30 m and the RS-image data at altitudes of 60 and 100 m, was able to provide accurate weed cover and herbicide application maps compared with UAV-images from real flights. | - |
dc.description.sponsorship | This research was financed by the RECUPERA-2020 Project (An agreement between CSIC and Spanish MINECO, EU-FEDER funds). Research of Torres-Sánchez and Peña was financed by the FPI and Ramón & Cajal Programs (MINECO and EU-FEDER funds), respectively. We acknowledge support by the CSIC Open Access Publication Initiative through its Unit of Information Resources for Research (URICI). | - |
dc.publisher | Multidisciplinary Digital Publishing Institute | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Ortho-mosaicked image | - |
dc.subject | UAV | - |
dc.subject | Resampling | - |
dc.subject | Weed mapping | - |
dc.subject | Visible (RGB) | - |
dc.subject | Near-infrared (NIR) | - |
dc.subject | OBIA | - |
dc.title | Spatial Quality Evaluation of Resampled Unmanned Aerial Vehicle-Imagery for Weed Mapping | - |
dc.type | artículo | - |
dc.identifier.doi | 10.3390/s150x0000x | - |
dc.relation.publisherversion | http://dx.doi.org/10.3390/s150x0000x | - |
dc.date.updated | 2016-09-29T08:46:56Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by-nc-sa/4.0/ | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
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