opencv2\contrib\contrib.hpp not found in OpenCV 3.1.0
<p>opencv2\contrib\contrib.hpp not found in OpenCV 3.1.0</p>

<pre><code>Ptr&lt;FaceRecognizer&gt;  model = createEigenFaceRecognizer();
//train data
model-&gt;train(images, labels);

model-&gt;save("E:/FDB/yaml/eigenface.yml");
</code></pre>

<p>also not fount FaceRecognizerenter,createEigenFaceRecognizer() train and save 
please help me</p>