Ideal color space component for reconstruction of contamination plumes

Sina Kashuk, Sophia R. Mercurio, Magued Iskander

Research output: Contribution to journalArticle

Abstract

There are several techniques to reconstruct a plume of nonaqueous phase liquid (NAPL) contamination in bench-scale geoenvironmental studies. Using image processing methods, the most crucial issues are to determine the optimum concentration and the best color of dye as a tracer for use in mapping a zone of contamination. This issue becomes more complicated when the original color of contaminant cannot be altered such as of crude oil. The objective of this study is to find a color space in which the relationship between transmitted signal and integrated concentration is quantifiable. In particular, the goal was to correlate the spatial concentration of contamination with color pixel information. For this purpose, a new algorithm was used to identify the best concentration for a number of dyes that can be used as tracers. Additionally, the ideal color space component for reconstruction of each dye was determined. The effectiveness of this color classification method was assessed using 10,368 color space component images within the framework of the peak signal to noise ratio for eight different dyes and six color spaces spanning a concentrations ranging from 1 to 2000 ppm, for 8 NAPL zone lengths. The effect of data filtering was also considered and a 15 × 15 pixel convolution average filter is recommended for image conditioning.

Original languageEnglish (US)
Pages (from-to)125-159
Number of pages35
JournalJournal of Flow Visualization and Image Processing
Volume20
Issue number3
StatePublished - Aug 7 2013

Fingerprint

plumes
contamination
Contamination
Color
color
Dyes
dyes
tracers
liquid phases
Pixels
pixels
Liquids
conditioning
crude oil
Convolution
convolution integrals
seats
contaminants
image processing
Signal to noise ratio

Keywords

  • Bench scale model
  • Calibration model
  • Color dyes
  • Color image processing
  • Color spaces
  • Colorimetry
  • Flow studies

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics
  • Computer Science Applications

Cite this

Ideal color space component for reconstruction of contamination plumes. / Kashuk, Sina; Mercurio, Sophia R.; Iskander, Magued.

In: Journal of Flow Visualization and Image Processing, Vol. 20, No. 3, 07.08.2013, p. 125-159.

Research output: Contribution to journalArticle

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