OpenCV人脸识别三（根据训练的模型进行人脸识别）

梦里梦外; 2022-05-23 08:29 246阅读 0赞

OpenCV版本3.4.1

人脸识别算法采用：LBPHFaceRecognizer

.pro文件代码

QT += core
    QT -= gui
    
    CONFIG += c++11
    
    TARGET = opencvTest
    CONFIG += console
    CONFIG -= app_bundle
    
    TEMPLATE = app
    
    SOURCES += main.cpp \
        fisherdemo.cpp \
        lbphdemo.cpp \
        lbphdemo2.cpp \
        lbphdemo3.cpp
    
    # The following define makes your compiler emit warnings if you use
    # any feature of Qt which as been marked deprecated (the exact warnings
    # depend on your compiler). Please consult the documentation of the
    # deprecated API in order to know how to port your code away from it.
    DEFINES += QT_DEPRECATED_WARNINGS
    
    # You can also make your code fail to compile if you use deprecated APIs.
    # In order to do so, uncomment the following line.
    # You can also select to disable deprecated APIs only up to a certain version of Qt.
    #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
    INCLUDEPATH += G:/OpenCV/opencv/sources-build/install/include/opencv \
                   G:/OpenCV/opencv/sources-build/install/include/opencv2 \
                   G:/OpenCV/opencv/sources-build/install/include
    LIBS +=-LG:/OpenCV/opencv/sources-build/install/x86/mingw/lib/ \
           -llibopencv_core341 \
           -llibopencv_highgui341 \
           -llibopencv_imgcodecs341 \
           -llibopencv_imgproc341 \
           -llibopencv_face341 \
           -llibopencv_features2d341 \
           -llibopencv_calib3d341

main.cpp代码

#include <QCoreApplication>
    #include <opencv2/core/core.hpp>
    #include <opencv2/highgui/highgui.hpp>
    #include <opencv2/imgproc/imgproc.hpp>
    #include <opencv2/imgcodecs/imgcodecs.hpp>
    #include <opencv2/face.hpp>
    #include <iostream>
    #include <string>
    
    using namespace cv;
    using namespace face;
    using namespace std;
    
    /**LBPHFaceRecognizer根据训练模型预测结果
     * @brief main
     * @param argc
     * @param argv
     * @return
     */
    int main(int argc,char *argv[])
    {
        QCoreApplication a(argc,argv);
        Mat src_5=imread("G:/opencvImage/att_faces/s3/1.pgm",CV_LOAD_IMAGE_GRAYSCALE);
        Ptr<FaceRecognizer> model=LBPHFaceRecognizer::create();
        model->read("G:/opencvImage/lbph_face.xml");
        int faceResult=model->predict(src_5);
        cout << faceResult << endl;
        return a.exec();
    }