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Journal of Electronic Imaging

Color-to-grayscale conversion through weighted multiresolution channel fusion
Author(s): Tirui Wu; Alexander Toet
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Paper Abstract

We present a color-to-gray conversion algorithm that retains both the overall appearance and the discriminability of details of the input color image. The algorithm employs a weighted pyramid image fusion scheme to blend the R, G, and B color channels of the input image into a single grayscale image. The use of simple visual quality metrics as weights in the fusion scheme serves to retain visual contrast from each of the input color channels. We demonstrate the effectiveness of the method by qualitative and quantitative comparison with several state-of-the-art methods.

Paper Details

Date Published: 7 July 2014
PDF: 6 pages
J. Electron. Imag. 23(4) 043004 doi: 10.1117/1.JEI.23.4.043004
Published in: Journal of Electronic Imaging Volume 23, Issue 4
Show Author Affiliations
Tirui Wu, Ford Motor Research and Engineering (Nanjing) Co., Ltd. (China)
Alexander Toet, Utrecht Univ. (Netherlands)
TNO (Netherlands)

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