虚拟环境中的Opencv3和Python 2.7 - AttributeError:'module'对象没有属性'createLBPHFaceRecognizer'

Question

我有一个opencv 3的python函数.它在没有虚拟环境的情况下工作.我还在venv上安装了opencv:pyimagesearch.我试图在venv上运行该python函数,然后它给出一个错误:

AttributeError: 'module' object has no attribute 'createLBPHFaceRecognizer'

没有在终端的venv:

gkhan@Gkan ~/Masaüstü/face_recognizer $ python face_recognizer.py
Yol :./sinif/114.jpg.
114 Yuz Tanindi 12

与终端的venv:

gkhan@Gkan ~/Masaüstü/face_recognizer $ workon cv
(cv)gkhan@Gkan ~/Masaüstü/face_recognizer $ python face_recognizer.py
Traceback (most recent call last):
  File "face_recognizer.py", line 15, in <module>
    recognizer = cv2.createLBPHFaceRecognizer()
AttributeError: 'module' object has no attribute 'createLBPHFaceRecognizer'

我的python代码:

#!/usr/bin/python
# -*- coding: utf-8 -*-

import cv2, os
import numpy as np
from PIL import Image

# For Test
if 0==0:

    cascadePath = "haarcascade_frontalface_default.xml"
    faceCascade = cv2.CascadeClassifier(cascadePath)

    recognizer = cv2.createLBPHFaceRecognizer()
...

我在Linux Mint 64 Bit上使用python 2.7运行Opencv3

Answer 1

从OpenCV 3开始,您必须获取并构建opencv_contrib存储库.然后你可以使用子模块"face".

cv2中模块cv2.face的帮助:

NAME
    cv2.face

FILE
    (built-in)

FUNCTIONS
    createEigenFaceRecognizer(...)
        createEigenFaceRecognizer([, num_components[, threshold]]) -> retval

    createFisherFaceRecognizer(...)
        createFisherFaceRecognizer([, num_components[, threshold]]) -> retval

    createLBPHFaceRecognizer(...)
        createLBPHFaceRecognizer([, radius[, neighbors[, grid_x[, grid_y[, threshold]]]]]) -> retval

瞧〜你现在可以使用了 cv2.face.createLBPHFaceRecognizer()

Answer 2

对我来说最简单的方法是使用anaconda包:

conda install -c menpo opencv3=3.1.0

安装后,使用cv2.face.createLBPHFaceRecognizer()或其他面部识别器.希望这可以帮助