DocumentCode
1674147
Title
An Efficient Denoising Procedure for Magnetic Resonance Imaging
Author
Yu, Hancheng ; Zhao, Li
Author_Institution
Sch. of Inf. Sci. & Eng., Southeast Univ., Nanjing
fYear
2008
Firstpage
2628
Lastpage
2630
Abstract
An efficient denoising procedure for magnetic resonance imaging is presented. It is well known that the noise in magnetic resonance imaging has a Rician distribution. Unlike additive Gaussian noise, Rician noise is signal dependent, and separating signal from noise is a difficult task. This paper presents an iterative method based on wavelet shrinkage for Rician noise removal. Experiments show that the proposed method better suppresses noise and preserves edges than other magnetic resonance image denoising methods.
Keywords
biomedical MRI; image denoising; iterative methods; medical image processing; wavelet transforms; Rician distribution; Rician noise removal; image denoising procedure; iterative method; magnetic resonance imaging; noise suppression; wavelet shrinkage; Additive noise; Additive white noise; Gaussian noise; Magnetic noise; Magnetic resonance; Magnetic resonance imaging; Noise reduction; Rician channels; Wavelet coefficients; Wavelet domain;
fLanguage
English
Publisher
ieee
Conference_Titel
Bioinformatics and Biomedical Engineering, 2008. ICBBE 2008. The 2nd International Conference on
Conference_Location
Shanghai
Print_ISBN
978-1-4244-1747-6
Electronic_ISBN
978-1-4244-1748-3
Type
conf
DOI
10.1109/ICBBE.2008.990
Filename
4535870
Link To Document