A New Weight for Nonlocal Means Denoising Using Method Noise

  title={A New Weight for Nonlocal Means Denoising Using Method Noise},
  author={Hua Zhong and Chen Yang and Xiaohua Zhang},
  journal={IEEE Signal Processing Letters},
Method noise, i.e., the difference between the noisy image and its denoised version, often contains residual image information due to imperfect denoising methods. In this letter, a novel weight is derived for nonlocal means (NLM) denoising, which tries to exploit the nonlocal similarities of residual image in method noise, and estimates directly the similarities between noise free patches instead of the commonly used similarity measure based on noisy observations or their pre-denoised versions… CONTINUE READING
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