49 lines
993 B
Matlab
49 lines
993 B
Matlab
clear;
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close all;
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taille_ecran = get(0,'ScreenSize');
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L = taille_ecran(3);
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H = taille_ecran(4);
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load donnees;
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figure('Name','Tomographie : resolution algebrique','Position',[0.2*L,0,0.8*L,0.5*H]);
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% Affichage de l'image originale :
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subplot(1,3,1);
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imagesc(I);
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colormap gray;
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axis off;
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axis equal;
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title('Image d''origine','FontSize',20);
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% Affichage du sinogramme :
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subplot(1,3,2);
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imagesc(sinogramme);
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colormap gray;
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axis off;
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axis equal;
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title('Sinogramme','FontSize',20);
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drawnow;
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% Algorithme de Kaczmarz :
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n_boucles = 10;
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f = zeros(size(W, 2), 1);
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delete("saves/exo1.gif");
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figure;
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for k = 1:n_boucles
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f = kaczmarz(f, p, W);
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% Affichage de la solution :
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% subplot(1,3,3);
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img = reshape(f,nb_lignes,nb_colonnes);
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imagesc(img);
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colormap gray;
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axis off;
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axis equal;
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title("Resultat de la tomographie " + num2str(k) + "/" + num2str(n_boucles));
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drawnow;
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export_fig(gcf, "saves/exo1_" + num2str(k) + ".png", '-png', '-painters', '-m2');
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end
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