diff --git a/src/main/java/presenters/UseCasePresenter.java b/src/main/java/presenters/UseCasePresenter.java
index 834250e..5ff1fcf 100644
--- a/src/main/java/presenters/UseCasePresenter.java
+++ b/src/main/java/presenters/UseCasePresenter.java
@@ -40,7 +40,7 @@ public class UseCasePresenter {
         Image image1 = loadImage(NOISE_1_IMAGE);
         Image image2 = loadImage(NOISE_2_IMAGE);
 
-        Image reduced1 = measureTime("Reduction 1", () -> service.reduceNoise(image1, 0.5f, 7));
+        Image reduced1 = measureTime("Reduction 1", () -> service.reduceNoise(image1, 1f, 7));
         Image reduced2 = measureTime("Reduction 2", () -> service.reduceNoise(image2, 1f, 5));
 
         Image[] results = { reduced1, reduced2 };
@@ -81,7 +81,7 @@ public class UseCasePresenter {
 
     public void computeToastOutline() {
         Image image = loadImage(TOAST_IMAGE);
-        Image result = service.detectToastContours(image);
+        Image result = measureTime("Toast outlines", () -> service.detectToastContours(image));
         view.updateToastContours(result);
     }
 
diff --git a/src/main/java/services/UseCaseService.java b/src/main/java/services/UseCaseService.java
index df60b8c..c934ef4 100644
--- a/src/main/java/services/UseCaseService.java
+++ b/src/main/java/services/UseCaseService.java
@@ -119,7 +119,30 @@ public class UseCaseService {
     }
 
     public Image detectToastContours(Image image) {
-        return extractToastContours(image);
+        Image smoothed = BasicMorphology.opening(image, 3).toImage();
+        GrayScaleMatrix dilated = BasicMorphology.dilation(smoothed, 3);
+        GrayScaleMatrix eroded = BasicMorphology.erosion(smoothed, 3);
+        double[][] dilatedData = dilated.getRawData();
+        double[][] erodedData = eroded.getRawData();
+        double[][] contours = new double[image.getHeight()][image.getWidth()];
+
+        for (int y = 0; y < image.getHeight(); y++) {
+            for (int x = 0; x < image.getWidth(); x++) {
+                contours[y][x] = dilatedData[y][x] - erodedData[y][x];
+            }
+        }
+
+        Image binaryContours = Thresholding.simpleThreshold(new GrayScaleMatrix(contours).toImage(), 40).toImage();
+
+        for (int y = 0; y < image.getHeight(); y++) {
+            for (int x = 0; x < image.getWidth(); x++) {
+                if (binaryContours.getPixel(x, y).grayValue() > 0) {
+                    image.setPixelColor(x, y, 0, 255, 0);
+                }
+            }
+        }
+
+        return image;
     }
 
     private Image equalizeRgb(Image image) {