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authordkazanc <dkazanc@hotmail.com>2019-02-19 17:52:37 +0000
committerdkazanc <dkazanc@hotmail.com>2019-02-19 17:52:37 +0000
commit53d5508915709245d0573e0335de83fc24313b5a (patch)
treeca5aa5e759cbd829949397a4be277c24e6c2639f /Wrappers/Matlab/demos
parent634659c7ac1ffdff563cbf1e211393c2426cdb3d (diff)
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bug fixes, demos updates
Diffstat (limited to 'Wrappers/Matlab/demos')
-rw-r--r--Wrappers/Matlab/demos/demoMatlab_3Ddenoise.m16
-rw-r--r--Wrappers/Matlab/demos/demoMatlab_denoise.m16
2 files changed, 21 insertions, 11 deletions
diff --git a/Wrappers/Matlab/demos/demoMatlab_3Ddenoise.m b/Wrappers/Matlab/demos/demoMatlab_3Ddenoise.m
index 0c331a4..ac8e1ba 100644
--- a/Wrappers/Matlab/demos/demoMatlab_3Ddenoise.m
+++ b/Wrappers/Matlab/demos/demoMatlab_3Ddenoise.m
@@ -8,7 +8,7 @@ addpath(Path2);
addpath(Path3);
N = 512;
-slices = 7;
+slices = 15;
vol3D = zeros(N,N,slices, 'single');
Ideal3D = zeros(N,N,slices, 'single');
Im = double(imread('lena_gray_512.tif'))/255; % loading image
@@ -17,9 +17,7 @@ vol3D(:,:,i) = Im + .05*randn(size(Im));
Ideal3D(:,:,i) = Im;
end
vol3D(vol3D < 0) = 0;
-figure; imshow(vol3D(:,:,15), [0 1]); title('Noisy image');
-
-
+figure; imshow(vol3D(:,:,7), [0 1]); title('Noisy image');
lambda_reg = 0.03; % regularsation parameter for all methods
%%
fprintf('Denoise a volume using the ROF-TV model (CPU) \n');
@@ -143,6 +141,16 @@ rmseTGV = RMSE(Ideal3D(:),u_tgv(:));
fprintf('%s %f \n', 'RMSE error for TGV is:', rmseTGV);
figure; imshow(u_tgv(:,:,3), [0 1]); title('TGV denoised volume (CPU)');
%%
+% fprintf('Denoise using the TGV model (GPU) \n');
+% lambda_TGV = 0.03; % regularisation parameter
+% alpha1 = 1.0; % parameter to control the first-order term
+% alpha0 = 2.0; % parameter to control the second-order term
+% iter_TGV = 500; % number of Primal-Dual iterations for TGV
+% tic; u_tgv_gpu = TGV_GPU(single(vol3D), lambda_TGV, alpha1, alpha0, iter_TGV); toc;
+% rmseTGV = RMSE(Ideal3D(:),u_tgv_gpu(:));
+% fprintf('%s %f \n', 'RMSE error for TGV is:', rmseTGV);
+% figure; imshow(u_tgv_gpu(:,:,3), [0 1]); title('TGV denoised volume (GPU)');
+%%
%>>>>>>>>>>>>>> MULTI-CHANNEL priors <<<<<<<<<<<<<<< %
fprintf('Denoise a volume using the FGP-dTV model (CPU) \n');
diff --git a/Wrappers/Matlab/demos/demoMatlab_denoise.m b/Wrappers/Matlab/demos/demoMatlab_denoise.m
index 14d3096..62e5834 100644
--- a/Wrappers/Matlab/demos/demoMatlab_denoise.m
+++ b/Wrappers/Matlab/demos/demoMatlab_denoise.m
@@ -5,7 +5,9 @@ fsep = '/';
Path1 = sprintf(['..' fsep 'mex_compile' fsep 'installed'], 1i);
Path2 = sprintf(['..' fsep '..' fsep '..' fsep 'data' fsep], 1i);
Path3 = sprintf(['..' fsep 'supp'], 1i);
-addpath(Path1); addpath(Path2); addpath(Path3);
+addpath(Path1);
+addpath(Path2);
+addpath(Path3);
Im = double(imread('lena_gray_512.tif'))/255; % loading image
u0 = Im + .05*randn(size(Im)); u0(u0 < 0) = 0;
@@ -29,7 +31,7 @@ figure; imshow(u_rof, [0 1]); title('ROF-TV denoised image (CPU)');
% figure; imshow(u_rofG, [0 1]); title('ROF-TV denoised image (GPU)');
%%
fprintf('Denoise using the FGP-TV model (CPU) \n');
-iter_fgp = 1000; % number of FGP iterations
+iter_fgp = 1300; % number of FGP iterations
epsil_tol = 1.0e-06; % tolerance
tic; u_fgp = FGP_TV(single(u0), lambda_reg, iter_fgp, epsil_tol); toc;
energyfunc_val_fgp = TV_energy(single(u_fgp),single(u0),lambda_reg, 1); % get energy function value
@@ -39,8 +41,8 @@ figure; imshow(u_fgp, [0 1]); title('FGP-TV denoised image (CPU)');
%%
% fprintf('Denoise using the FGP-TV model (GPU) \n');
-% iter_fgp = 1000; % number of FGP iterations
-% epsil_tol = 1.0e-05; % tolerance
+% iter_fgp = 1300; % number of FGP iterations
+% epsil_tol = 1.0e-06; % tolerance
% tic; u_fgpG = FGP_TV_GPU(single(u0), lambda_reg, iter_fgp, epsil_tol); toc;
% figure; imshow(u_fgpG, [0 1]); title('FGP-TV denoised image (GPU)');
%%
@@ -63,17 +65,17 @@ fprintf('Denoise using the TGV model (CPU) \n');
lambda_TGV = 0.045; % regularisation parameter
alpha1 = 1.0; % parameter to control the first-order term
alpha0 = 2.0; % parameter to control the second-order term
-iter_TGV = 2000; % number of Primal-Dual iterations for TGV
+iter_TGV = 1500; % number of Primal-Dual iterations for TGV
tic; u_tgv = TGV(single(u0), lambda_TGV, alpha1, alpha0, iter_TGV); toc;
rmseTGV = (RMSE(u_tgv(:),Im(:)));
fprintf('%s %f \n', 'RMSE error for TGV is:', rmseTGV);
figure; imshow(u_tgv, [0 1]); title('TGV denoised image (CPU)');
-%%
+
% fprintf('Denoise using the TGV model (GPU) \n');
% lambda_TGV = 0.045; % regularisation parameter
% alpha1 = 1.0; % parameter to control the first-order term
% alpha0 = 2.0; % parameter to control the second-order term
-% iter_TGV = 2000; % number of Primal-Dual iterations for TGV
+% iter_TGV = 1500; % number of Primal-Dual iterations for TGV
% tic; u_tgv_gpu = TGV_GPU(single(u0), lambda_TGV, alpha1, alpha0, iter_TGV); toc;
% rmseTGV_gpu = (RMSE(u_tgv_gpu(:),Im(:)));
% fprintf('%s %f \n', 'RMSE error for TGV is:', rmseTGV_gpu);