recognition.h

/*****************************************************************************
*   Face Recognition using Eigenfaces or Fisherfaces
*****************************************************************************/

#pragma once


#include <stdio.h>
#include <iostream>
#include <vector>

// Include OpenCV's C++ Interface
#include "opencv2/opencv.hpp"

using namespace cv;
using namespace std;

// Start training from the collected faces.
Ptr<FaceRecognizer> learnCollectedFaces(const vector<Mat> preprocessedFaces, const vector<int> faceLabels, const string facerecAlgorithm = "FaceRecognizer.Eigenfaces");

// Show the internal face recognition data, to help debugging.
void showTrainingDebugData(const Ptr<FaceRecognizer> model, const int faceWidth, const int faceHeight);

// Generate an approximately reconstructed face by back-projecting the eigenvectors & eigenvalues of the given (preprocessed) face.
Mat reconstructFace(const Ptr<FaceRecognizer> model, const Mat preprocessedFace);

// Compare two images by getting the L2 error (square-root of sum of squared error).
double getSimilarity(const Mat A, const Mat B);