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A REVIEW ON DENOISING

  • Jung, Yoon Mo (Department of Computational Science and Engineering, Yonsei University)
  • Received : 2014.04.24
  • Accepted : 2014.05.08
  • Published : 2014.06.25

Abstract

This paper aims to give a quick view on denoising without comprehensive details. Denoising can be understood as removing unwanted parts in signals and images. Noise incorporates intrinsic random fluctuations in the data. Since noise is ubiquitous, denoising methods and models are diverse. Starting from what noise means, we briefly discuss a denoising model as maximum a posteriori estimation and relate it with a variational form or energy model. After that we present a few major branches in image and signal processing; filtering, shrinkage or thresholding, regularization and data adapted methods, although it may not be a general way of classifying denoising methods.

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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