在OpenCV 3.1.0中找不到opencv2 \ contrib \ contrib.hpp

Question

在OpenCV 3.1.0中找不到opencv2 \ contrib \ contrib.hpp

Ptr<FaceRecognizer>  model = createEigenFaceRecognizer();
//train data
model->train(images, labels);

model->save("E:/FDB/yaml/eigenface.yml");

也没有fount FaceRecognizerenter，createEigenFaceRecognizer（）训练和保存 请帮帮我