Joint Estimation for EPI functional MRI using Harmonic Retrieval: SNR(in, est) - File Exchange

Code covered by the BSD License

Highlights from
Joint Estimation for EPI functional MRI using Harmonic Retrieval

SNR(in, est)
Z=Matrix_z(z,N,M)
[x,obj_hat]=simdata_T2star(ob... Description: simulates MRI data with T2* term included according to the forward model
[x,obj_hat]=simdata_noT2star(... Description: simulates MRI data according to the forward model, no T2* term included
[z]=LSProny_T2star_regul_chan... Description: perform HR with regularization on |z|
[z_found,a_found, R2star, z_n... Description: performs harmonic retrieval
JE_main.m
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from Joint Estimation for EPI functional MRI using Harmonic Retrieval by Hien
Implementation of harmonic retrieval for MRI image reconstruction

SNR(in, est)

% Minh N. Do, UIUC

function r = SNR(in, est)
% To find SNR between input (in) and estimate (est) in decibels (dB).
%
% Reference: Vetterli & Kovacevic, "Wavelets and Subband Coding", p. 372

error = in - est;

r = 10 * log10((in(:)' * in(:)) / (error(:)' * error(:)));

Highlights from Joint Estimation for EPI functional MRI using Harmonic Retrieval

Highlights from
Joint Estimation for EPI functional MRI using Harmonic Retrieval