Abstract
In this paper, to reduce impulsive noise in color images we propose an extension of the Median Redescending M-Estimator. For that purpose, a multitasking approach was developed such as a multi-core processing in order to reduce in parallel the noise on R, G and B color channels. With this paradigm, an acceleration up to three times can be guaranteed compared to the sequential paradigm, while having the ability to reduce corrupted data up to densities of \(80\%\) of fixed-value and \(40\%\) of random-value impulsive noises, guaranteeing the preservation of edges. The effectiveness of our proposal is verified by quantitative and qualitative results.
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Acknowledgements
The authors thank to CONACYT, as well as TecNM-CENIDET for their financial support through the project “Controlador Difuso para ajuste de coeficientes de rigidez de un modelo deformable para simulación en tiempo real de los tejidos del hígado humano”.
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Mújica-Vargas, D., Rendón-Castro, A., Matuz-Cruz, M., Garcia-Aquino, C. (2021). Multi-core Median Redescending M-Estimator for Impulsive Denoising in Color Images. In: Roman-Rangel, E., Kuri-Morales, Á.F., Martínez-Trinidad, J.F., Carrasco-Ochoa, J.A., Olvera-López, J.A. (eds) Pattern Recognition. MCPR 2021. Lecture Notes in Computer Science(), vol 12725. Springer, Cham. https://doi.org/10.1007/978-3-030-77004-4_25
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DOI: https://doi.org/10.1007/978-3-030-77004-4_25
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