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Important Parameters for Image Color Analysis: An Overview

  • Juliana F. S. GomesEmail author
  • Fabiana R. Leta
  • Pedro B. Costa
  • Felipe de O. Baldner
Chapter
Part of the Augmented Vision and Reality book series (Augment Vis Real, volume 4)

Abstract

In recent years it is noteworthy how the use of Computational Vision techniques in processing and quality control of products has advanced. The available resources in both electronic and computing were important factors in the automation development, allowing constant monitoring during the process. Such techniques have systematically evolved in the international commerce. However, there is a lack of standardization on quality control of products using image analysis. Measurements using digital image should consider important aspects, such as the effects of lighting, characteristics of the environment, the types of illuminants, the observers, to name a few, all that beyond the traceability of the system and the definition of standards. With this in mind, the aim of this chapter is to discuss the relevance of the main variables that influence the color measurement of images using computer vision techniques, in order to promote some thought about the needs of standardization.

Keywords

Color analysis by image Illumination Color perception Color rendering index Color temperature 

List of Abbreviations

CVS

Computer vision systems

LED

Light-emitting diode

CT

Color temperature

CCT

Correlated color temperature

CCD

Charge coupled device

CMOS

Complementary metal oxide semiconductor

CIE

Commission Internationale de l’Eclairage

International Commission on Illumination

CRI

Color rendering index

SPD

Spectral power distribution

RGB

Red, green, blue color system

HSL

Hue, saturation, lightness color system

HSI

Hue, saturation, intensity color system

HSB

Hue, saturation, brightness color system

HSV

Hue, saturation, value color system

Notes

Acknowledgements

The authors would like to acknowledge FAPERJ (under grants E-26/103.591/2012, E-26/103.618/2012 and E-26/171.362/2001) for its financial support. The authors would also like to acknowledge their colleagues from UFF and Inmetro for the support while conducting the experiments. They also acknowledge Dr. Ana Paula Dornelles Alvarenga and Marcelo Bezerra Guedes for the technical discussions.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Juliana F. S. Gomes
    • 1
    Email author
  • Fabiana R. Leta
    • 2
  • Pedro B. Costa
    • 1
  • Felipe de O. Baldner
    • 1
  1. 1.Instituto Nacional de Metrologia, Qualidade e Tecnologia—InmetroDuque de CaxiasBrazil
  2. 2.Dimensional and Computational Metrology Laboratory, Mechanical Engineering DepartmentUniversidade Federal Fluminense—UFFNiteróiBrazil

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