Abstract
We construct a method of the generalized statistical smoothing (GSS) to the problem of inverse halftoning for a halftone image which is converted by the error diffusion method. Especially, we construct the present method so as to achieve the optimal performance on the basis of the mean square error (MSE) between original and restored images both of which are observed through the MTF function of human vision system. Using the numerical simulation for several 256-level standard images, we clarify that the optimal performance of the GSS is realized if we appropriately set the parameters controlling both edge enhancement procedure and generalized parameter scheduling. We also find the GSS restores the original image more accurately than other conventional filters, such as the average and Gaussian filters.
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Saika, Y., Sugimoto, K., Okamoto, K. (2010). Performance Estimation of Generalized Statistical Smoothing to Inverse Halftoning Based on the MTF Function of Human Eyes. In: Hsu, CH., Yang, L.T., Park, J.H., Yeo, SS. (eds) Algorithms and Architectures for Parallel Processing. ICA3PP 2010. Lecture Notes in Computer Science, vol 6082. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13136-3_37
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DOI: https://doi.org/10.1007/978-3-642-13136-3_37
Publisher Name: Springer, Berlin, Heidelberg
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