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DIGITAL.CSIC
Article . 2023 . Peer-reviewed
Data sources: DIGITAL.CSIC
https://doi.org/10.12706/itea....
Article . 2021 . Peer-reviewed
Data sources: Crossref
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Estimación de crecimiento vegetativo en viñedo: análisis de nubes de puntos 3D procedentes de imágenes‑UAV

Authors: Torres-Sánchez, Jorge; Ramírez Pérez, Pilar; León Gutiérrez, Juan Manuel; Jiménez-Brenes, Francisco Manuel; López Granados, Francisca;

Estimación de crecimiento vegetativo en viñedo: análisis de nubes de puntos 3D procedentes de imágenes‑UAV

Abstract

Uno de los elementos cruciales de la viticultura de precisión es conocer la variabilidad espacial del crecimiento vegetativo del viñedo para caracterizar su vigor y estimar su potencial productivo. Dos de los parámetros relacionados con este crecimiento son la superficie foliar externa (SA) y el peso de la madera de poda cuya estimación en campo requiere laboriosos trabajos que implican consumo de recursos humanos y tiempo. La utilización de técnicas de teledetección basadas en aplicación de técnicas fotogramétricas en imágenes adquiridas mediante vehículo aéreo no tripulado (UAV) ha demostrado su eficiencia en la cartografía de la arquitectura de cultivos leñosos como viñedo, almendro u olivo. Por ello, el objetivo del presente trabajo fue desarrollar una metodología capaz de determinar de forma precisa por un lado la SA y, por otro, estudiar la relación entre madera de poda y el volumen en viñedos de la variedad ‘Pedro Ximénez’ cultivados en ecológico y espaldera. El procedimiento desarrollado está basado en la generación y procesamiento de nubes de puntos fotogramétricas en cada cepa que son posteriormente analizadas utilizando un algoritmo completamente automatizado de análisis de imagen basado en objetos (OBIA, object-based-image-analysis). Los resultados obtenidos por métodos directos no destructivos tomados en campo fueron comparados con los generados mediante imágenes-UAV. Se obtuvieron correlaciones significativas entre datos observados y estimados indicando la utilidad de la metodología descrita para avanzar en la caracterización foliar y digitalización del viñedo a escala parcela reduciendo las mediciones de campo.

Country
Spain
Keywords

Superficie foliar externa, Viticultura de precisión, Pruning wood, Volume, Producción Vegetal, RGB sensor, Sensor RGB, Remote sensing, External leaf surface, Transformación digital, Volumen, Teledetección, Digitizing applications, Madera de poda, Precision viticulture

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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