Abstract
In this paper, we propose a method to suppress salt and pepper noise for medical images based on the homogenous information obtained by non-symmetrical and anti-packing model (NAM). The NAM could divide the image into several homogenous blocks and it is sensitive to the additive extra energy. Thus the noise could be detected effectively due to the usage of bit-plane during the division. Then corrupted points are estimated by using a distance based weighted mean filter according to the homogenous information in its non-local region, which could keep local structure. Experimental results show that our method can obtain denoising results with high quality.
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Acknowledgements
This work is supported by NSFC (No. 61802213) and Shandong Provincial Natural Science Found (No. ZR2017LF016, ZR2018LF004).
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Liang, H., Zhao, S. (2020). Salt and Pepper Noise Suppression for Medical Image by Using Non-local Homogenous Information. In: Lu, H. (eds) Cognitive Internet of Things: Frameworks, Tools and Applications. ISAIR 2018. Studies in Computational Intelligence, vol 810. Springer, Cham. https://doi.org/10.1007/978-3-030-04946-1_19
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DOI: https://doi.org/10.1007/978-3-030-04946-1_19
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