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DEMO.m
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DEMO.m
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%% generate 3D metabolic phantom at 16x16x16 resolution
nx = 16;
ny = 16;
nz = 16;
kTRANS_low = 0.02;
kTRANS_high = 0.05;
kPL_low = 0.01;
kPL_high = 0.03;
linear_kTRANS_gradient = true;
linear_kPL_gradient = true;
[kTRANS, kPL] = metabolic_phantom(nx, ny, nz, kTRANS_low, kTRANS_high, kPL_low, kPL_high, linear_kTRANS_gradient, linear_kPL_gradient);
% plot kTRANS and kPL maps
z_slice = nz/2; % define slice to plot
f = figure(1);
imagesc(kTRANS(:, :, z_slice))
% xticks([])
% yticks([])
title('k_{TRANS} map slice at z=0')
pbaspect([1 1 1])
colorbar()
saveas(f, 'kTRANS_16.png', 'png')
f = figure(2);
imagesc(kPL(:, :, z_slice))
% xticks([])
% yticks([])
title('k_{PL} map slice at z=0')
pbaspect([1 1 1])
colorbar()
saveas(f, 'kPL_16.png', 'png')
%% generate 3D metabolic phantom at 256x256x256 resolution
nx = 256;
ny = 256;
nz = 256;
[kTRANS, kPL] = metabolic_phantom(nx, ny, nz, kTRANS_low, kTRANS_high, kPL_low, kPL_high, linear_kTRANS_gradient, linear_kPL_gradient);
% plot kTRANS and kPL maps
z_slice = nz/2; % define slice to plot
f = figure(3);
imagesc(kTRANS(:, :, z_slice))
%xticks([])
%yticks([])
title('k_{TRANS} map slice at z=0')
pbaspect([1 1 1])
colorbar()
saveas(f, 'kTRANS_256.png', 'png')
f = figure(4);
imagesc(kPL(:, :, z_slice))
%xticks([])
%yticks([])
title('k_{PL} map slice at z=0')
pbaspect([1 1 1])
colorbar()
saveas(f, 'kPL_256.png', 'png')