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Fast Method Based on Fuzzy Logic for Gaussian-Impulsive Noise Reduction in CT Medical Images

Author

Listed:
  • Josep Arnal

    (Departamento de Ciencia de la Computación e Inteligencia Artificial, Universidad de Alicante, Campus de San Vicente del Raspeig s/n, 03690 San Vicente del Raspeig, Spain
    These authors contributed equally to this work.)

  • Luis Súcar

    (Departamento de Ciencia de la Computación e Inteligencia Artificial, Universidad de Alicante, Campus de San Vicente del Raspeig s/n, 03690 San Vicente del Raspeig, Spain
    These authors contributed equally to this work.)

Abstract

To remove Gaussian-impulsive mixed noise in CT medical images, a parallel filter based on fuzzy logic is applied. The used methodology is structured in two steps. A method based on a fuzzy metric is applied to remove the impulsive noise at the first step. To reduce Gaussian noise, at the second step, a fuzzy peer group filter is used on the filtered image obtained at the first step. A comparative analysis with state-of-the-art methods is performed on CT medical images using qualitative and quantitative measures evidencing the effectiveness of the proposed algorithm. The parallel method is parallelized on shared memory multiprocessors. After applying parallel computing strategies, the obtained computing times indicate that the introduced filter enables to reduce Gaussian-impulse mixed noise on CT medical images in real-time.

Suggested Citation

  • Josep Arnal & Luis Súcar, 2022. "Fast Method Based on Fuzzy Logic for Gaussian-Impulsive Noise Reduction in CT Medical Images," Mathematics, MDPI, vol. 10(19), pages 1-18, October.
  • Handle: RePEc:gam:jmathe:v:10:y:2022:i:19:p:3652-:d:934290
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    References listed on IDEAS

    as
    1. Ming-Hao Lin & Zhi-Xiang Hou & Kai-Han Cheng & Chin-Hsien Wu & Yan-Tsung Peng, 2021. "Image Denoising Using Adaptive and Overlapped Average Filtering and Mixed-Pooling Attention Refinement Networks," Mathematics, MDPI, vol. 9(10), pages 1-12, May.
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