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Abstract #2080

Noise Estimation for Averaged DW MR Images

Nikolaos Dikaios1, Valentin Hamy2, Shonit Punwani2, David Atkinson2

1Centre for Medical Imaging, University College London , London, Greater London, United Kingdom; 2Centre for Medical Imaging, University College London, London, Greater London, United Kingdom

The scope of this project was to estimate the noise using an adaptation of the median-absolute-deviation (MAD) in the wavelet domain for the expected noise distribution, and calculate the diffusion coefficient (ADC) with a non linear regression (NR) algorithm that accounts for underlying noise.