update README.md

README.md

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-# facial-landmark-detection
+# Facial-landmark-detection
+### Face Detection
+
+This detects faces and facial landmarks on an image, the image can be access via a url or in local directory.
+
+This project uses Python 3.7 and openCV 4.1.2
+
+The model used for landmark detection can be got from: 
+https://github.com/kurnianggoro/GSOC2017/raw/master/data/lbfmodel.yaml
+
+Also the model used for face detection can be found here:
+https://raw.githubusercontent.com/opencv/opencv/master/data/haarcascades/haarcascade_frontalface_alt2.xml