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Reflectance spectra recovery from tristimulus values by extraction of color feature match

  • Guangyuan Wu
  • Xiaoying Shen
  • Zhen Liu
  • Shengwei Yang
  • Ming Zhu
Article

Abstract

A procedure for recovering spectral reflectance from CIE tristimulus values is presented using a modified pseudo-inverse method. Unlike previous spectral recovery methods, this approach uses a new sample selection criterion based on color feature match to select a series of suitable samples for creating the adapted transformation matrix to reconstruct spectra reflectance. Taking into account the computational time and accuracy, the dynamic subgroups were created by dividing the spectral reflectance preliminarily, and the adapted subsets were created by the sample similarity/dissimilarity between samples in the dynamic subgroup and target sample. Consequently, instead of applying only one transformation matrix for the reconstruction process, a series of adapted transformation matrices were obtained from the adapted subsets using color feature match. Three different datasets of spectral reflectance and three different error metrics have been applied in this study. According to all the error metrics considered, the proposed method is quite accurate and outperforms the Pseudo-Inverse method and the weighted Pseudo-Inverse method, which is effective in reconstructing spectral reflectance.

Keywords

Reflectance Spectrum reconstruction Pseudo-inverse estimation Color feature match 

Notes

Acknowledgments

This study is supported by the National Natural Science Foundation of China (No. 61301231), Shanghai Young Teachers' Training Program (no.ZZslg15090) and the Innovation Fund Project for Graduate Student of Shanghai (No. JWCXSL1401).

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Guangyuan Wu
    • 1
  • Xiaoying Shen
    • 2
  • Zhen Liu
    • 3
  • Shengwei Yang
    • 4
  • Ming Zhu
    • 5
  1. 1.School of Optical-Electrical and Computer EngineeringUniversity of Shanghai for Science and TechnologyShanghaiChina
  2. 2.Navy Marine Environment OfficeBeijingChina
  3. 3.College of Communication and Art DesignUniversity of Shanghai for Science and TechnologyShanghaiChina
  4. 4.Department of Printing and Packaging EngineeringShanghai Publishing and Printing CollegeShanghaiChina
  5. 5.Department of Materials and Chemical EngineeringHenan Institute of EngineeringZhengzhouChina

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