OpenCV和本征面识别器，Python

Question

I'm playing with openCV in python. I'd like to use the eigenface algorithm to guess who's in a picture. I tried with

recognizer = cv2.createEigenFaceRecognizer()

and it complains that

'module' object has no attribute 'createEigenFaceRecognizer'

I read around in the internet and found that the submodule 'face' should be used starting form openCV 3, but as I run

recognizer = cv2.face.createEigenFaceRecognizer()

it complains with a

'module' object has no attribute 'face'

I'm puzzled.. Thanks AC

edit - how I installed it:

1. download openCV from http://sourceforge.net/projects/opencvlibrary
2. unpack to ~/opencv
3. download opencv_contrib from https://github.com/Itseez/opencv_contrib
4. unpack to ~/opencv/contrib
5. >cd ~/opencv
6. >mkdir tmp; cd tmp
7. >cmake -D -DOPENCV_EXTRA_MODULES_PATH=~/opencv/contrib/modules  CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ~/opencv
8. >make -j5
9. >sudo make install

Answer 1

您可能需要重新构建 opencv以及此处所述的其他模块-opencv_contrib ，如果尚未执行的话。

Answer 2

7. cmake -D -DOPENCV_EXTRA_MODULES_PATH

that "-D" is the cause of the error