style: autoformat
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74365d944c
commit
2cf841e339
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@ -2,12 +2,12 @@ clear;
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close all;
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load("mask.mat");
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im_mask = im_mask(:,:,:) == 0;
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im_mask = im_mask(:, :, :) == 0;
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im_mask(1:8,:,:) = 0;
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im_mask(end-5:end,:,:) = 0;
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im_mask(:,1:5,:) = 0;
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im_mask(:,end-30:end,:) = 0;
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im_mask(1:8, :, :) = 0;
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im_mask(end - 5:end, :, :) = 0;
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im_mask(:, 1:5, :) = 0;
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im_mask(:, end - 30:end, :) = 0;
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nb_images = 36; % Nombre d'images
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@ -100,14 +100,14 @@ germes = [germes W];
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%%
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figure(4);
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tiledlayout(2,2, 'Padding', 'none', 'TileSpacing', 'compact');
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tiledlayout(2, 2, 'Padding', 'none', 'TileSpacing', 'compact');
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bw_img = reshape(germes(image_labelise, 6), size(im, 1), []);
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nexttile;
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imshow(bw_img);
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CC = bwconncomp(bw_img,4);
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CC = bwconncomp(bw_img, 4);
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bw_img = zeros(size(bw_img));
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bw_img(CC.PixelIdxList{1}) = 1;
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@ -116,7 +116,7 @@ imshow(bw_img);
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bw_img = ~bw_img;
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CC = bwconncomp(bw_img,4);
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CC = bwconncomp(bw_img, 4);
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bw_img = zeros(size(bw_img));
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bw_img(CC.PixelIdxList{1}) = 1;
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@ -125,31 +125,27 @@ bw_img = ~bw_img;
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nexttile;
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imshow(bw_img);
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bw_img = im_mask(:,:,ind_img);
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bw_img = im_mask(:, :, ind_img);
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nexttile;
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imshow(bw_img);
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figure(5);
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tiledlayout(2,2, 'Padding', 'none', 'TileSpacing', 'compact');
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tiledlayout(2, 2, 'Padding', 'none', 'TileSpacing', 'compact');
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nexttile;
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imshow(bw_img);
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hold on
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% A FAIRE SI VOUS UTILISEZ LES MASQUES BINAIRES FOURNIS %
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% Chargement des masques binaires %
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% de taille nb_lignes x nb_colonnes x nb_images %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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pixel_b = find(bw_img == 1);
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[r, c] = ind2sub(size(bw_img), pixel_b(1));
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contour = bwtraceboundary(bw_img, [r c], 'W', 8);
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plot(contour(:,2), contour(:,1), 'g', 'LineWidth', 3);
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plot(contour(:, 2), contour(:, 1), 'g', 'LineWidth', 3);
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% r = delaunay(contour);
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% barycentres = (contour(r(:,1),:) + contour(r(:,2),:) + contour(r(:,3),:)) / 3;
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@ -157,18 +153,17 @@ plot(contour(:,2), contour(:,1), 'g', 'LineWidth', 3);
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% % triplot(r, contour(:,2), contour(:,1));
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T = 1;
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[vx, vy] = voronoi(contour(1:T:end,1), contour(1:T:end,2));
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[vx, vy] = voronoi(contour(1:T:end, 1), contour(1:T:end, 2));
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plot(vy, vx, 'b');
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% Selection des segments qui ont leurs extrémités dans l'image
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ok = vx(1,:) > 1 & vx(1,:) < size(bw_img, 1) & ...
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vx(2,:) > 1 & vx(2,:) < size(bw_img, 1) & ...
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vy(1,:) > 1 & vy(1,:) < size(bw_img, 2) & ...
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vy(2,:) > 1 & vy(2,:) < size(bw_img, 2);
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vx = floor(vx(:,ok));
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vy = floor(vy(:,ok));
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ok = vx(1, :) > 1 & vx(1, :) < size(bw_img, 1) & ...
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vx(2, :) > 1 & vx(2, :) < size(bw_img, 1) & ...
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vy(1, :) > 1 & vy(1, :) < size(bw_img, 2) & ...
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vy(2, :) > 1 & vy(2, :) < size(bw_img, 2);
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vx = floor(vx(:, ok));
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vy = floor(vy(:, ok));
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% subplot(2,2,2);
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nexttile;
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@ -178,15 +173,15 @@ plot(vy, vx, 'b');
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% Selection des segments avec les extremités dans la forme
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ind1 = sub2ind(size(bw_img), vx(1,:), vy(1,:));
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ind1 = sub2ind(size(bw_img), vx(1, :), vy(1, :));
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ok1 = bw_img(ind1) > 0;
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ind2 = sub2ind(size(bw_img), vx(2,:), vy(2,:));
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ind2 = sub2ind(size(bw_img), vx(2, :), vy(2, :));
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ok2 = bw_img(ind2) > 0;
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ok = ok1 & ok2;
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vx = vx(:,ok);
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vy = vy(:,ok);
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vx = vx(:, ok);
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vy = vy(:, ok);
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% subplot(2,2,3);
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nexttile;
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@ -194,59 +189,56 @@ imshow(bw_img);
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hold on
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plot(vy, vx, 'b');
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% Remise en forme de vx et vy
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vx_ = vx';
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vx_ = [vx_(:,1) ; vx_(:,2)];
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vx_ = [vx_(:, 1); vx_(:, 2)];
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vy_ = vy';
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vy_ = [vy_(:,1) ; vy_(:,2)];
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vy_ = [vy_(:, 1); vy_(:, 2)];
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V_ = [vx_ vy_];
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% Calcule des rayons
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contour_ = contour';
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R = complex(V_(:,1), V_(:,2)) - complex(contour_(1,:), contour_(2,:));
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R = complex(V_(:, 1), V_(:, 2)) - complex(contour_(1, :), contour_(2, :));
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R = abs(R);
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R = min(R, [], 2);
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R = R';
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vx_vy = [vy(1,:) vy(2,:); vx(1,:) vx(2,:)]';
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viscircles(vx_vy(1:1:end,:), R(1:1:end));
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vx_vy = [vy(1, :) vy(2, :); vx(1, :) vx(2, :)]';
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viscircles(vx_vy(1:1:end, :), R(1:1:end));
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% Filtrage naif
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% truc = find(R < 20);
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% truc = mod(truc - 1, length(vx)) + 1;
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%
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%
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% vx(:,truc) = [];
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% vy(:,truc) = [];
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% Filtrage scalaire
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R_scaled = 1.05 * R;
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dist = abs(complex(V_(:,1), V_(:,2)) - transpose(complex(V_(:,1), V_(:,2))));
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dist = abs(complex(V_(:, 1), V_(:, 2)) - transpose(complex(V_(:, 1), V_(:, 2))));
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R_vertical = ones(length(R_scaled),1) * R_scaled;
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R_horizontal = R_scaled' * ones(1,length(R_scaled));
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R_vertical = ones(length(R_scaled), 1) * R_scaled;
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R_horizontal = R_scaled' * ones(1, length(R_scaled));
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[~, c] = ind2sub(size(dist), find(dist + R_vertical < R_horizontal));
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vx(:, mod(c - 1, length(vx)) + 1) = [];
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vy(:, mod(c - 1, length(vy)) + 1) = [];
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R = [R(1:length(R)/2); R(length(R)/2+1:end)];
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R = [R(1:length(R) / 2); R(length(R) / 2 + 1:end)];
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R(:, mod(c - 1, length(R)) + 1) = [];
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R = [R(1,:) R(2,:)];
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R = [R(1, :) R(2, :)];
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% subplot(2,2,4);
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nexttile;
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imshow(bw_img);
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hold on
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plot(vy, vx, 'b');
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vx_vy = [vy(1,:) vy(2,:); vx(1,:) vx(2,:)]';
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viscircles(vx_vy(1:1:end,:), R(1:1:end));
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vx_vy = [vy(1, :) vy(2, :); vx(1, :) vx(2, :)]';
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viscircles(vx_vy(1:1:end, :), R(1:1:end));
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%%
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@ -307,7 +299,7 @@ view(80, -10);
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% A COMPLETER
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% Tetraedrisation de Delaunay
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T = delaunayTriangulation(X(1,:)', X(2,:)', X(3,:)');
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T = delaunayTriangulation(X(1, :)', X(2, :)', X(3, :)');
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% A DECOMMENTER POUR AFFICHER LE MAILLAGE
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% fprintf('Tetraedrisation terminee : %d tetraedres trouves. \n',size(T,1));
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@ -315,13 +307,13 @@ T = delaunayTriangulation(X(1,:)', X(2,:)', X(3,:)');
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% figure;
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% tetramesh(T);
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% A DECOMMENTER ET A COMPLETER
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% Calcul des barycentres de chacun des tetraedres
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poids = [1 1 1 1] / 4;
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nb_barycentres = size(T.ConnectivityList, 1);
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for i = 1:size(T,1)
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for i = 1:size(T, 1)
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% Calcul des barycentres differents en fonction des poids differents
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% En commencant par le barycentre avec poids uniformes
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C_g(1:3, i) = poids * T.Points(T.ConnectivityList(i, :), :);
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@ -350,18 +342,21 @@ tri = T.ConnectivityList;
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% ne se trouvent pas dans au moins un des masques des images de travail
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% Pour chaque barycentre
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to_save = [];
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for k = 1:nb_barycentres
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valide = 0;
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for i = 1:nb_images
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o = P{i}*C_g(:,k);
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o = P{i} * C_g(:, k);
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o = o / o(3);
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x = floor(o(1));
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y = floor(o(2));
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if im_mask(x,y,i) == 0
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if im_mask(x, y, i) == 0
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valide = 1;
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break
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end
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end
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if valide
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@ -371,15 +366,15 @@ for k = 1:nb_barycentres
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to_save = [to_save k];
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end
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triBis = tri(to_save,:);
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triBis = tri(to_save, :);
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nb_barycentres = length(to_save);
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% A DECOMMENTER POUR AFFICHER LE MAILLAGE RESULTAT
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% Affichage des tetraedres restants
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fprintf('Retrait des tetraedres exterieurs a la forme 3D termine : %d tetraedres restants. \n',size(T,1));
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fprintf('Retrait des tetraedres exterieurs a la forme 3D termine : %d tetraedres restants. \n', size(T, 1));
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figure(7);
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tetramesh(triBis, T.Points);
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view(80, -10);
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% Sauvegarde des donnees
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save donnees;
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save donnees;
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@ -3,17 +3,19 @@ load donnees;
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% Calcul des faces du maillage à garder
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FACES = [sort(triBis(:, [2 3 4]), 2); sort(triBis(:, [1 3 4]), 2); sort(triBis(:, [1 2 4]), 2); sort(triBis(:, [1 2 3]), 2)];
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FACES = sortrows(FACES);
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rep = sum(FACES(1:end-1, :) == FACES(2:end, :), 2) == 3;
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rep = sum(FACES(1:end - 1, :) == FACES(2:end, :), 2) == 3;
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FACES([0; rep] | [rep; 0], :) = [];
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fprintf('Calcul du maillage final termine : %d faces. \n',size(FACES,1));
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fprintf('Calcul du maillage final termine : %d faces. \n', size(FACES, 1));
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% Affichage du maillage final
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figure;
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hold on
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for i = 1:size(FACES,1)
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plot3([X(1,FACES(i,1)) X(1,FACES(i,2))],[X(2,FACES(i,1)) X(2,FACES(i,2))],[X(3,FACES(i,1)) X(3,FACES(i,2))],'r');
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plot3([X(1,FACES(i,1)) X(1,FACES(i,3))],[X(2,FACES(i,1)) X(2,FACES(i,3))],[X(3,FACES(i,1)) X(3,FACES(i,3))],'r');
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plot3([X(1,FACES(i,3)) X(1,FACES(i,2))],[X(2,FACES(i,3)) X(2,FACES(i,2))],[X(3,FACES(i,3)) X(3,FACES(i,2))],'r');
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for i = 1:size(FACES, 1)
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plot3([X(1, FACES(i, 1)) X(1, FACES(i, 2))], [X(2, FACES(i, 1)) X(2, FACES(i, 2))], [X(3, FACES(i, 1)) X(3, FACES(i, 2))], 'r');
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plot3([X(1, FACES(i, 1)) X(1, FACES(i, 3))], [X(2, FACES(i, 1)) X(2, FACES(i, 3))], [X(3, FACES(i, 1)) X(3, FACES(i, 3))], 'r');
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plot3([X(1, FACES(i, 3)) X(1, FACES(i, 2))], [X(2, FACES(i, 3)) X(2, FACES(i, 2))], [X(3, FACES(i, 3)) X(3, FACES(i, 2))], 'r');
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end;
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view(80, -10);
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view(80, -10);
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