The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Adaptive non‐local means denoising of MR images with spatially varying noise levels
Open accessAbstract
Purpose: To adapt the so‐called nonlocal means filter to deal with magnetic resonance (MR) images with spatially varying noise levels (for both Gaussian and Rician distributed noise). Materials and Methods: Most filtering techniques assume an equal noise distribution across the image. When this assumption is not met, the resulting filtering becomes suboptimal. This is the case of MR images with spatially varying noise levels, such as those obtained by parallel imaging (sensitivity‐encoded), intensity inhomogeneity‐corrected images, or surface coil‐based acquisitions. We propose a new method where information regarding the local image noise level is used to adjust the amount of denoising strength of the filter. Such information is automatically obtained from the images using a new local noise estimation method. Results: The proposed method was validated and compared with the standard nonlocal means filter on simulated and real MRI data showing an improved performance in all cases. Conclusion: The new noise‐adaptive method was demonstrated to outperform the standard filter when spatially varying noise is present in the images. J. Magn. Reson. Imaging 2010;31:192–203. © 2009 Wiley‐Liss, Inc.
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Cites
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Self-citationAn Optimized Blockwise Non Local Means Denoising Filter for 3D Magnetic Resonance Images
Barillot, C., Inserm, H. I., & Barillot, C. (2007) · Cited by 1,207
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Stefansson, H., Meyer-Lindenberg, A., Steinberg, S., Magnusdottir, B., Morgen, K., Arnarsdottir, S., Bjornsdottir, G., Walters, G. B., Jonsdottir, G. A., Doyle, O. M., et al. (2014) · Nature · doi:10.1038/nature12818 · Cited by 699
Bilingualism Tunes the Anterior Cingulate Cortex for Conflict Monitoring
Abutalebi, J., Della Rosa, P. A., Green, D. W., Hernandez, M., Scifo, P., Keim, R., Cappa, S. F., & Costa, A. (2012) · Cerebral Cortex · doi:10.1093/cercor/bhr287 · Cited by 580
Diffusion Weighted Image Denoising Using Overcomplete Local PCA
Manjón, J. V., Coupé, P., Concha, L., Buades, A., Collins, D. L., & Robles, M. (2013) · PLoS ONE · doi:10.1371/journal.pone.0073021 · Cited by 417
Self-citationGarcía-Lorenzo, D., Longo-Dos Santos, C., Ewenczyk, C., Leu-Semenescu, S., Gallea, C., Quattrocchi, G., Pita Lobo, P., Poupon, C., Benali, H., Arnulf, I., et al. (2013) · Brain · doi:10.1093/brain/awt152 · Cited by 313
Metadata
- Authors
- Manjón, J. V., Coupé, P., Martí‐Bonmatí, L., Collins, D. L., & Robles, M.
- Venue
- Journal of Magnetic Resonance Imaging
- Publisher
- Wiley
- Published
- 2009-12-20
- Volume
- 31
- Issue
- 1
- Pages
- 192-203
- ISSN
- 1053-1807 (ISSN-L)
- 1522-2586
- OpenAlex
- W1899329334
- Cited by
- 1,082
- References
- 21
- FWCI
- 16.86
- Type
- journal article
- Language
- en
- Open access
- bronze
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