Noise and Signal Estimation in Magnitude MRI and Rician Distributed Images: A LMMSE Approach
نویسندگان
چکیده
منابع مشابه
Estimation of signal and noise from Rician distributed data
Conventional estimation methods applied to Rician distributed data, (such as magnitude magnetic resonance data) yield biased results. In our work, it is shown where the bias appears. Furthermore, a novel estimation technique, based on Maximum Likelihood estimation, is developed for optimal estimation of signal as well as noise from Rician distributed data. It is shown that the proposed method i...
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ژورنال
عنوان ژورنال: IEEE Transactions on Image Processing
سال: 2008
ISSN: 1057-7149,1941-0042
DOI: 10.1109/tip.2008.925382