Effect of the coplanarity between camera and leaf for the determination of leaf area in Eichhornia crassipes with digital images

Efecto de la coplanaridad entre cámara y hoja para la determinación de área foliar en Eichhornia crassipes con imágenes digitales;
Efeito da coplanaridade entre a câmera e A folha para determinar A área foliar em Eichhornia crassipes com imagens digitais

dc.creatorGómez Rodríguez, Alida Marcela
dc.creatorGarzón-Salcedo, Luis Carlos
dc.creatorEspinoza Manrique, Wilfred Edilberto
dc.creatorCárdenas Castillo, Sergio Daniel
dc.creatorGuzmán Sanabria, Diomedes
dc.creatorBermúdez Duarte, David Felipe
dc.date2021-03-19
dc.date.accessioned2022-12-15T18:17:33Z
dc.date.available2022-12-15T18:17:33Z
dc.identifierhttps://revistas.unimilitar.edu.co/index.php/rfcb/article/view/4916
dc.identifier10.18359/rfcb.4916
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/5356263
dc.descriptionThe non-destructive methodologies used to determine leaf area through photographic captures and subsequent processing have had an important reception in various disciplines. However, there are few studies that validate the effect of the coplanarity or non-coplanarity between the camera planes and the leaves in terms of precision and accuracy. In this study, the precision of the leaf area values obtained in the Eichhornia crassipes plant was evaluated, using two non-destructive methodologies with image processing in Image J software. Subsequently, the accuracy is evaluated in the non-destructive methodology showing less variability in the results. Method 1 does not present a rigorous control between planes, while methodology 2 uses a device to guarantee coplanarity. As references, an image processing system and printed elliptical figures of known area built with AutoCAD software were used. The results show with a confidence level of 95% the same level of precision between the reference image processing system and methodology 2, which turned out to be the most accurate. Regarding the accuracy, evaluated through the confidence limits for the slope and intercept of curve calibration parameters, a statistically similar behavior was obtained between method 2 and the AutoCAD software, and the same differences between methodology/referents and referent/referrer.en-US
dc.descriptionLas metodologías no destructivas empleadas para determinar área foliar mediante capturas fotográficas y posterior procesamiento han tenido una importante acogida en diversas disciplinas. Sin embargo, son escasos los estudios que validan en términos de precisión y exactitud el efecto de la coplanaridad o de la no-coplanaridad entre los planos de la cámara y la hoja. En este estudio se evaluó la precisión de los valores de área foliar obtenidos en la planta Eichhornia crassipes, utilizando dos metodologías no destructivas con procesamiento de imagen en el software Image J. Posteriormentemse se evaluó la exactitud en la metodología no destructiva que presentó menor variabilidad de los resultados. La metodología 1 no presenta un control riguroso entre los planos, mientras que la metodología 2 emplea un dispositivo para garantizar coplanaridad. Como referentes se emplearon un sistema de procesamiento de imagen y figuras elípticas impresas de área conocida construidas con el software AutoCAD. Los resultados muestran con un nivel de confianza del 95% el mismo nivel de precisión entre el referente sistema de procesamiento de imagen y la metodología 2, que a su vez resultó ser la más precisa. En relación a la exactitud, evaluada a través de los límites de confianza para los parámetros pendiente e intercepto de curvas de calibración, se obtuvo un comportamiento estadísticamente similar entre la metodología 2 y el software AutoCAD, y las mismas diferencias entre metodología/referentes y referente/referente.es-ES
dc.descriptionAs metodologias não destrutivas utilizadas para determinar área foliar mediante capturas fotográficas e posterior processamento vêm tendo importante recebimento em diversas disciplinas. Contudo, são escassos os estudos que validam, em termos de precisão e exatidão, o efeito da coplanaridade ou da não coplanaridade entre os planos da câmera e da folha. Neste estudo, foi avaliada a precisão dos valores de área foliar obtidos na planta Eichhornia crassipes, utilizando duas metodologias não destrutivas com processamento de imagem no software Image J. Em seguida, foi avaliada a exatidão na metodologia não destrutiva que apresentou menor variabilidade dos resultados. A metodologia 1 não apresenta um controle rigoroso entre os planos, enquanto a metodologia 2 utiliza um dispositivo para garantir coplanaridade. Como referentes, foram utilizados um sistema de processamento de imagem e figuras elípticas impressas de área conhecida construídas com o software AutoCAD. Os resultados mostram um nível de confiança de 95 %, o mesmo nível de precisão entre o referente sistema de processamento de imagem e a metodologia 2, que, por sua vez, resultou ser a mais precisa. Quanto à exatidão, avaliada pelos limites de confiança para os parâmetros pendente e intercepto de curvas de calibração, foi obtido comportamento estatisticamente similar entre a metodologia 2 e o software AutoCAD, e as mesmas diferenças entre metodologia e referentes e referente e referente.pt-BR
dc.formatapplication/pdf
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dc.languagespa
dc.publisherUniversidad Militar Nueva Granadaes-ES
dc.relationhttps://revistas.unimilitar.edu.co/index.php/rfcb/article/view/4916/4659
dc.relationhttps://revistas.unimilitar.edu.co/index.php/rfcb/article/view/4916/4733
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dc.rightsDerechos de autor 2021 Revista Facultad de Ciencias Básicases-ES
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0es-ES
dc.sourceRevista Facultad de Ciencias Básicas; Vol. 16 No. 1 (2020); 19-30en-US
dc.sourceRevista Facultad de Ciencias Básicas; Vol. 16 Núm. 1 (2020); 19-30es-ES
dc.source2500-5316
dc.source1900-4699
dc.subjectAccuracyen-US
dc.subjectMethodologiesen-US
dc.subjectPrecisionen-US
dc.subjectImage processingen-US
dc.subjectSoftwareen-US
dc.subjectExactitudes-ES
dc.subjectMetodologíases-ES
dc.subjectPrecisiónes-ES
dc.subjectProcesamiento de imágenes-ES
dc.subjectSoftwarees-ES
dc.subjectExatidãopt-BR
dc.subjectMetodologiaspt-BR
dc.subjectPrecisãopt-BR
dc.subjectProcessamento de imagempt-BR
dc.subjectSoftwarept-BR
dc.titleEffect of the coplanarity between camera and leaf for the determination of leaf area in Eichhornia crassipes with digital imagesen-US
dc.titleEfecto de la coplanaridad entre cámara y hoja para la determinación de área foliar en Eichhornia crassipes con imágenes digitaleses-ES
dc.titleEfeito da coplanaridade entre a câmera e A folha para determinar A área foliar em Eichhornia crassipes com imagens digitaispt-BR
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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