NDLI: Noise reduction and image enhancement of MRI using adaptive multiscale data condensation

Content Provider	IEEE Xplore Digital Library
Author	Ray, D. Majumder, D.D. Das, A.
Copyright Year	2012
Description	Author affiliation: Indian Statistical Institute, Kolkata - 700 108, India (Majumder, D.D.) \|\| Department of CSE, Indian School of Mines, Dhanbad - 826 004, India (Ray, D.) \|\| Department of Computer Science and Technology, Bengal Engineering and Science University, Shibpur - 7111103, India (Das, A.)
Abstract	MR images often suffer from different types of noises, artifacts and inhomogeneities due to diverse reasons which hinders the image understanding process. Here we have proposed a method of MR image denoising and image enhancement using adaptive multiscale data condensation (MDC) strategy. The strategy is based on the selection of representative neighbourhood on the basis of their information content with respect to the entire filter mask. The information content is computed according to their feature and relative location within a search window. Each pixel is evaluated and subsequently modified, if required, in terms of its feature content and weightage with respect to its neighbour. Parameter calculated in one mask window continues to the adjacent mask to get adaptively adjusted according to the local requirement. The strategy is studied over MR brain images with Rician noise and the performance is compared with noise removal using Wiener filter and wavelet transformation based noise reduction and reconstruction tools.
Starting Page	107
Ending Page	113
File Size	442652
Page Count	7
File Format	PDF
ISBN	9781457706943
e-ISBN	9781457706974
DOI	10.1109/RAIT.2012.6194489
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-15
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms Brain Noise removal Noise Noise reduction Rician channels Estimation Imaging phantoms Magnetic resonance Imaging Image enhancement Multiscale Data Condensation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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