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Generación basada en objetos de mapas de la medida local de la calidad de imágenes fusionadas de Teledetección

Authors: Rodríguez-Esparragón, Dionisio; García-Pedrero, Ángel; Marcello Ruiz, Francisco Javier; Gonzalo-Martín, Consuelo; Eugenio-González, Francisco;

Generación basada en objetos de mapas de la medida local de la calidad de imágenes fusionadas de Teledetección

Abstract

En este trabajo se describe una metodología para la evaluación de la calidad espacial de imágenes fusionadas de teledetección. A pesar de que existen numerosos indicadores de ca lidad publicados en la literatura científica, no existe un consenso sobre su rendimiento. En general utilizan el píxel como elemento de referen cia para el cálcu lo y el resultado es un ú nico valor gl obal que difícilmente represe nta l a pe rcepción de l a cal idad de un humano. La metodología propuesta explota las diferencias entre objetos como método para generar un mapa de medida local de la calidad, a partir del cual se puede derivar un valor de l a calidad espacial global. Esta aproximación se ha s ometido a validación m ediante s u a plicación a una b ase de dat os de i mágenes f usionadas y co mparación c on ot ra m edida de calidad espacial.

In this paper a methodology for evaluating the spatial quality of fused images is described. Even though there are numerous indicators published in the literature, there is no consensus on their performance. In general, they use the pixel as a reference for the computation so that the result is a unique overall value that hardly represents the perceived quality of a human. The proposed methodology exploits the differences among objects as a method to generate a map of the local measure of quality, from which it ca n be derived a value of overall spatial quality. This approach has been subjected to va lidation by ap plying it to a da tabase o f fu sed imag es, a nd co mparing it with o ther spa tial qu ality measure.

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Keywords

calidad de imágenes, pan-sharpening, 220990 Tratamiento digital. Imágenes, índices espaciales, fusión de imágenes

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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!
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