@inproceedings{ec0076d921a0473e9f02228ec9caf402,
title = "Image denoising based on a mixture of bivariate Laplacian models in complex wavelet domain",
abstract = "Recently, it has been shown that algorithms exploiting dependencies between coefficients for modeling probability density function (pdf) of wavelet coefficients, could achieve better results for image denoising in wavelet domain compared with the ones based on the independence assumption. In this context, we design a bivariate maximum a posteriori (MAP) estimator which relies on a mixture of bivariate Laplacian models. This model not only is bivariate but also is mixture and therefore, using this new statistical model, we are able to better capture heavy-tailed natures of the data as well as the interscale dependencies of wavelet coefficients. The simulation results show that our proposed technique achieves better performance than several published methods both visually and in terms of peak signal-to-noise ratio (PSNR).",
keywords = "Bivariate pdf, Complex wavelet transform, MAP estimator, Mixture model",
author = "Hossein Rabbani and Mansur Vafadust and Ivan Selesnick and Saeed Gazor",
year = "2006",
doi = "10.1109/MMSP.2006.285344",
language = "English (US)",
isbn = "0780397517",
series = "2006 IEEE 8th Workshop on Multimedia Signal Processing, MMSP 2006",
publisher = "IEEE Computer Society",
pages = "425--428",
booktitle = "2006 IEEE 8th Workshop on Multimedia Signal Processing, MMSP 2006",
note = "2006 IEEE 8th Workshop on Multimedia Signal Processing, MMSP 2006 ; Conference date: 03-10-2006 Through 06-10-2006",
}