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Color to Gray Conversion Using ISOMAP

By Ming Cui, Jiuxiang Hu, Anshuman Razdan and Peter Wonka


In this paper we present a new algorithm to transform an RGB color image to a grayscale image. We propose using non-linear 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

Year: 2011
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