Tri-state median filter for image denoising

@article{Chen1999TristateMF,
  title={Tri-state median filter for image denoising},
  author={Tao Chen and Kai-Kuang Ma and Li-Hui Chen},
  journal={IEEE transactions on image processing : a publication of the IEEE Signal Processing Society},
  year={1999},
  volume={8 12},
  pages={
          1834-8
        }
}
  • Tao Chen, K. Ma, Li-Hui Chen
  • Published 1 December 1999
  • Computer Science, Mathematics, Medicine
  • IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
In this work, a novel nonlinear filter, called tri-state median (TSM) filter, is proposed for preserving image details while effectively suppressing impulse noise. We incorporate the standard median (SM) filter and the center weighted median (CWM) filter into a noise detection framework to determine whether a pixel is corrupted, before applying filtering unconditionally. Extensive simulation results demonstrate that the proposed filter consistently outperforms other median filters by balancing… 
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