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Psychophysical Validation of a Digital Method to Assess Ill-Defined Visual Boundaries: An Example with Fabric Openness Factor

Autor
Tàpias, M.; Rallo, M.; Escofet, J.
Tipus d'activitat
Article en revista
Revista
Journal of sensory studies
Data de publicació
2015
Volum
30
Número
6
Pàgina inicial
512
Pàgina final
521
DOI
https://doi.org/10.1111/joss.12186 Obrir en finestra nova
Projecte finançador
Sistemas de profundidad de foco extendida y lentes intraoculares multifocales para la salud visual
Repositori
http://hdl.handle.net/2117/84271 Obrir en finestra nova
Resum
Fabric openness factor (OF) is the fraction of the web area that is uncovered by yarns. OF is a critical feature regarding the end-use performance of the fabric and should be accurately assessed. However, digital OF estimates yielded by image binarization algorithms differ among them depending on the criteria used, mainly due to ill-defined boundaries, thus precluding a straightforward assessment of the actual fabric OF value. Lacking any standard to compare actual OF values with measured OF val...
Citació
Tàpias, M., Rallo, M., Escofet, J. Psychophysical Validation of a Digital Method to Assess Ill-Defined Visual Boundaries: An Example with Fabric Openness Factor. "Journal of sensory studies", 2015, vol. 30, núm. 6, p. 512-521.
Paraules clau
Fabric openness factor, Fechner psychophysical model, Stevens psychophysical model, automatic binarization algorithm.
Grup de recerca
GOAPI - Grup d'Òptica Aplicada i Processament d'Imatge

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