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Frontiers of Information Technology & Electronic Engineering >> 2017, Volume 18, Issue 11 doi: 10.1631/FITEE.1600017
A two-stage parametric subspace model for efficient contrast-preserving decolorization
. Department of Electronic Information Engineering, Nanchang University, Nanchang 330031, China.. Institute of Space Science and Technology, Nanchang University, Nanchang 330031, China.
Abstract
Keywords
Color-to-gray conversion ; Subspace modeling ; Two-order polynomial model ; Gradient correlation similarity ; Discrete searching
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