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Use of digital images to estimate CIE color coordinates of beef
(ELSEVIER SCIENCE BV, 2008)
The objective of this study was to evaluate the use of digital images (DI) to estimate CIE L*a*b*, hue angle and chroma of beef, as compared to a colorimeter (CM). Loin samples from 21 steers finished with high grain diets ...
Composição de cores através da calibração radiométrica e fotométrica de LEDs: Teoria e experimento
(2013-06-01)
In the present work, the basic concepts of radiometric, photometric and colorimetric calibration are presented, which were applied to three light-emitting diodes (LEDs) used to compose the different color sensations that ...
Composição de cores através da calibração radiométrica e fotométrica de LEDs: Teoria e experimento
(2013-06-01)
In the present work, the basic concepts of radiometric, photometric and colorimetric calibration are presented, which were applied to three light-emitting diodes (LEDs) used to compose the different color sensations that ...
Sistema de visión computarizada y herramientas de diseño gráfico para la obtención de imágenes de muestras de alimentos segmentadas y promediadas en coordenadas CIE-L*a*b*
(2009-05-04)
Para obtener imágenes de muestras de alimentos segmentadas y promediadas en coordenadas CIE-L*a*b* se realizó el montaje de un escenario de iluminación. Se seleccionó una cámara digital CCD y se establecieron condiciones ...
Sistema de visión computarizada y herramientas de diseño gráfico para la obtención de imágenes de muestras de alimentos segmentadas y promediadas en coordenadas CIE-L*a*b*
(2009-05-04)
Para obtener imágenes de muestras de alimentos segmentadas y promediadas en coordenadas CIE-L*a*b* se realizó el montaje de un escenario de iluminación. Se seleccionó una cámara digital CCD y se establecieron condiciones ...
Color Dependence on Thickness in Topaz Crystal from Brazil
(HINDAWI PUBLISHING CORPORATIONNEW YORK, 2012)
It is well known that crystals of topaz from the Eastern Brazilian Pegmatite Province may turn blue by the irradiation with Co-60 gamma rays followed by heat treatment. Also, it is known that the sensation of color changes ...
Aesthetics appreciation of wood colour and patterns by colorimetry. Part 1. Colorimetry theory for the cielab system
(Departamento de Engenharia da Madeira, da Universidade de Bío-Bío em Concepción, Chile, 2012)
CIE L*a*b*: comparison of digital images obtained photographically by manual and automatic modes
(Sociedade Brasileira de Pesquisa Odontológica (SBPqO), 2012-11-01)
The aim of this study was to analyze the color alterations performed by the CIE L*a*b* system in the digital imaging of shade guide tabs, which were obtained photographically according to the automatic and manual modes. ...