diff --git a/src/main/java/dev/mateuszkowalczyk/ffm/app/DirectoryScanner.java b/src/main/java/dev/mateuszkowalczyk/ffm/app/DirectoryScanner.java
index aa461ff..d986042 100644
--- a/src/main/java/dev/mateuszkowalczyk/ffm/app/DirectoryScanner.java
+++ b/src/main/java/dev/mateuszkowalczyk/ffm/app/DirectoryScanner.java
@@ -2,6 +2,7 @@ package dev.mateuszkowalczyk.ffm.app;
 
 import dev.mateuszkowalczyk.ffm.data.database.photo.Photo;
 import dev.mateuszkowalczyk.ffm.data.database.photo.PhotoDAO;
+import dev.mateuszkowalczyk.ffm.image.FaceDetector;
 import dev.mateuszkowalczyk.ffm.image.ThumbnailService;
 import dev.mateuszkowalczyk.ffm.utils.PropertiesLoader;
 import dev.mateuszkowalczyk.ffm.utils.Property;
@@ -54,6 +55,10 @@ public class DirectoryScanner implements Runnable {
                                 }
                             }
 
+                            new Thread(
+                                    new FaceDetector(photo)
+                            ).start();
+
                             ImageView imageView = new ImageView(wr);
                             imageViews.add(imageView);
 
diff --git a/src/main/java/dev/mateuszkowalczyk/ffm/image/FaceDetector.java b/src/main/java/dev/mateuszkowalczyk/ffm/image/FaceDetector.java
new file mode 100644
index 0000000..63a7f51
--- /dev/null
+++ b/src/main/java/dev/mateuszkowalczyk/ffm/image/FaceDetector.java
@@ -0,0 +1,63 @@
+package dev.mateuszkowalczyk.ffm.image;
+
+import dev.mateuszkowalczyk.ffm.data.database.photo.Photo;
+import dev.mateuszkowalczyk.ffm.utils.ResourceLoader;
+import org.opencv.core.Core;
+import org.opencv.core.Mat;
+import org.opencv.core.MatOfRect;
+import org.opencv.core.Rect;
+import org.opencv.objdetect.CascadeClassifier;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+import static org.opencv.imgcodecs.Imgcodecs.imread;
+
+public class FaceDetector implements Runnable {
+
+    private final Photo photo;
+
+    public FaceDetector(Photo photo) {
+        this.photo = photo;
+    }
+
+    static {
+        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
+    }
+
+    @Override
+    public void run() {
+        this.detectFaces();
+    }
+
+    private void detectFaces() {
+        CascadeClassifier cascadeClassifier = new CascadeClassifier(ResourceLoader.getInstance().getPath("haarcascade_frontalface_alt.xml"));
+        Mat imageMat = imread(this.photo.getPath());
+        MatOfRect matOfRect = new MatOfRect();
+        cascadeClassifier.detectMultiScale(imageMat, matOfRect);
+
+        try {
+            BufferedImage bufferedImage = ImageIO.read(new File(this.photo.getPath()));
+
+            matOfRect.toList().forEach(rect -> {
+               BufferedImage croppedImage = this.crop(bufferedImage, rect);
+            });
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        System.out.println(String.format("Detected %s faces", matOfRect.toArray().length));
+    }
+
+    private BufferedImage crop(BufferedImage bufferedImage, Rect rect) {
+        BufferedImage dest = new BufferedImage(rect.width, rect.height, BufferedImage.TYPE_INT_ARGB_PRE);
+        Graphics g = dest.getGraphics();
+        g.drawImage(bufferedImage, 0, 0, rect.width, rect.height, rect.x, rect.y, rect.x + rect.width, rect.y + rect.height, null);
+        g.dispose();
+        return dest;
+    }
+}