A Novel Directionlet-Based Image Denoising Method Using MMSE Estimator and Laplacian Mixture Distribution

A novel method based on directionlet transform is proposed for image denoising under Bayesian framework. In order to achieve noise removal, the directionlet coefficients of the uncorrupted image are modeled independently and identically by a two-state Laplacian mixture model with zero mean. The expe...

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Bibliographic Details
Main Authors: Yixiang Lu, Qingwei Gao, Dong Sun, Dexiang Zhang, Yi Xia, Hui Wang
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Electrical and Computer Engineering
Online Access:http://dx.doi.org/10.1155/2015/459285
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