Update 09 - Object Detection.rst

Initial modifying of tutorial

docs/source/09 - Object Detection.rst

@@ -4,4 +4,19 @@ Object Detection
 
 .. note:: We assume that by now you have already read the previous tutorials. If not, please check previous tutorials at `<http://opencv-java-tutorials.readthedocs.org/en/latest/index.html>`_. You can also find the source code and resources at `<https://github.com/opencv-java/>`_
 
+Goal
+----
+In this tutorial we are going to use well-known classifiers that have been already trained and distributed by OpenCV in order to detect and track a moving face into a video stream.
+
+
+What we will do in this tutorial
+--------------------------------
+In this guide, we will:
+ * Insert a checkbox to select the Haar Classifier, detect and track a face, and draw a green rectangle around the detected face.
+ * Inesrt a checkbox to select the LBP Classifier, detect and track a face, and draw a green rectangle around the detected face.
+
+Getting Started
+---------------
+Let's create a new JavaFX project. In Scene Builder set the windows element so that we have a Border Pane with:
+
 .. todo:: complete