Image Denoising Using Two-Dimensional GARCH Model

@article{Amirmazlaghani2007ImageDU,
  title={Image Denoising Using Two-Dimensional GARCH Model},
  author={Maryam Amirmazlaghani and Hamidreza Amindavar},
  journal={2007 14th International Workshop on Systems, Signals and Image Processing and 6th EURASIP Conference focused on Speech and Image Processing, Multimedia Communications and Services},
  year={2007},
  pages={397-400}
}
In this paper, we introduce a new method for removing noise from digital images, based on statistical model of wavelet coefficients. We use two-dimensional generalized autoregressive conditional heteroscedasticity (GARCH) model for statistical modeling of wavelet coefficients. Using two-dimensional GARCH model yields a novel wavelet coefficients model, which is capable of taking into account important characteristics of wavelet coefficients, such as non-stationarity, heavy tailed marginal… CONTINUE READING
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