Add filtering operations

src/main/java/services/FilteringService.java

@@ -0,0 +1,19 @@
+package services;
+
+import domain.image.GrayScaleMatrix;
+import domain.image.Image;
+import domain.image.processing.filtering.GlobalLinearFiltering;
+
+public class FilteringService {
+
+    public Image lowPassFiltering(GrayScaleMatrix matrix) {
+        GrayScaleMatrix filteredMatrix = GlobalLinearFiltering.lowPassFiltering(matrix, 10);
+        return filteredMatrix.toImage();
+    }
+
+    public Image highPassFiltering(GrayScaleMatrix matrix) {
+        GrayScaleMatrix filteredMatrix = GlobalLinearFiltering.highPassFiltering(matrix, 10);
+        return filteredMatrix.toImage();
+    }
+
+}