The Visual Computer

, Volume 26, Issue 11, pp 1349–1360 | Cite as

Color-to-gray conversion using ISOMAP

  • Ming CuiEmail author
  • Jiuxiang Hu
  • Anshuman Razdan
  • Peter Wonka
Original Article


In this paper we present a new algorithm to transform an RGB color image to a grayscale image. We propose using nonlinear dimension reduction techniques to map higher dimensional color vectors to lower dimensional ones. This approach generalizes the gradient domain manipulation for high dimensional images. Our experiments show that the proposed algorithm generates competitive results and reaches a good compromise between quality and speed.

ISOMAP Color to gray Color space 


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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Ming Cui
    • 1
    Email author
  • Jiuxiang Hu
    • 1
  • Anshuman Razdan
    • 1
  • Peter Wonka
    • 1
  1. 1.Arizona State UniversityPhoenixUSA

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