ajout de super pixel

super_pixel.m

@@ -0,0 +1,32 @@
+function germes = super_pixel(img, K, m, n)
+    N = size(img, 1) * size(img, 2);
+    S = sqrt(N / K);
+    X = S/2:S:size(img, 1);
+    Y = S/2:S:size(img, 2);
+    germes = zeros(length(X) * length(Y), 2);
+    c = 1;
+    for x = X
+        for y = Y
+            germes(c,:) = [x y];
+            c = c + 1;
+        end
+    end
+    
+    c = 1;
+    for germe = germes'
+        x = germe(1);
+        y = germe(2);
+        xmin = max(x - n, 1);
+        interval_x = xmin:min(x + n, size(img, 1));
+        ymin = max(y - n, 1);
+        interval_y = ymin:min(y + n, size(img, 2));
+        Gmag = imgradient(img(interval_x, interval_y));
+        [~,ind_min] = min(Gmag(:));
+        [nr, nc] = ind2sub(size(Gmag), ind_min);
+        x = xmin + nr - 1;
+        y = ymin + nc - 1;
+        germes(c,:) = [x y];
+        c = c + 1;
+    end
+end
+