Add non-linear outline

src/main/java/services/OutlineService.java

@@ -2,6 +2,7 @@ package services;
 
 import domain.image.Image;
 import domain.image.processing.outline.LinearOutline;
+import domain.image.processing.outline.NonLinearOutline;
 
 public class OutlineService {
 
@@ -29,4 +30,31 @@ public class OutlineService {
                 .toImage();
     }
 
+    public Image gradientErosion(Image image) {
+        return NonLinearOutline
+                .gradientErosion(image)
+                .toImage();
+    }
+
+    public Image gradientDilation(Image image) {
+        return NonLinearOutline
+                .gradientDilation(image)
+                .toImage();
+    }
+
+    public Image beucherGradient(Image image) {
+        return NonLinearOutline
+                .beucherGradient(image)
+                .toImage();
+    }
+
+    public Image nonLinearLaplacian(Image image) {
+        return NonLinearOutline
+                .nonLinearLaplacian(image)
+                .toImage();
+    }
+
+
+
+
 }