Adding PCA

Romaisaa · May 11, 2023 · 3345e94 · 3345e94
1 parent 8ed76f8
commit 3345e94
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Showing 3 changed files with 57 additions and 9 deletions.
diff --git a/CV-Toolbox.pro b/CV-Toolbox.pro
@@ -2,13 +2,14 @@ QT       += core gui
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets printsupport
 
-CONFIG += c++11
+CONFIG += c++17
 
 # You can make your code fail to compile if it uses deprecated APIs.
 # In order to do so, uncomment the following line.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
+    CV/face_recognition.cpp \
     CV/faces_detection.cpp \
     CV/harris.cpp \
     CV/histogram.cpp \
@@ -39,6 +40,7 @@ SOURCES += \
     pages/page7.cpp
 
 HEADERS += \
+    CV/face_recognition.h \
     CV/faces_detection.h \
     CV/harris.h \
     CV/histogram.h \
@@ -83,15 +85,15 @@ FORMS += \
 
 
 
-INCLUDEPATH += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\build\include
+INCLUDEPATH += C:\opencv\build\include
 
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_core470.dll
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_highgui470.dll
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_imgcodecs470.dll
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_imgproc470.dll
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_features2d470.dll
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_calib3d470.dll
-LIBS += C:\Users\kamel\OneDrive\Documents\libraries\opencv\opencv\release\bin\libopencv_objdetect470.dll
+LIBS += C:\opencv\release\bin\libopencv_core470.dll
+LIBS += C:\opencv\release\bin\libopencv_highgui470.dll
+LIBS += C:\opencv\release\bin\libopencv_imgcodecs470.dll
+LIBS += C:\opencv\release\bin\libopencv_imgproc470.dll
+LIBS += C:\opencv\release\bin\libopencv_features2d470.dll
+LIBS += C:\opencv\release\bin\libopencv_calib3d470.dll
+LIBS += C:\opencv\release\bin\libopencv_objdetect470.dll
 
 
 # Default rules for deployment.

diff --git a/CV/face_recognition.cpp b/CV/face_recognition.cpp
@@ -0,0 +1,26 @@
+#include "face_recognition.h"
+
+void face_recognition:: performPCA(cv::Mat& dataPoints, cv::Mat& eigenvalues, cv::Mat& eigenvectors, cv:: Mat& convertedData,int numComponents)
+{
+    cv::Mat mean;
+    cv::reduce(dataPoints, mean, 0, cv::REDUCE_AVG);
+    for (int i = 0; i < dataPoints.rows; i++)
+    {
+        dataPoints.row(i) = dataPoints.row(i) - mean;
+    }
+    cv::Mat covariance;
+    cv::mulTransposed(dataPoints, covariance, true);
+    covariance = covariance / (dataPoints.rows - 1);
+    cv::eigen(covariance, eigenvalues, eigenvectors);
+    eigenvalues=eigenvalues.rowRange(0, numComponents);
+    eigenvectors = eigenvectors.rowRange(0, numComponents);
+   convertedData = dataPoints * eigenvectors.t();
+}
+
+void face_recognition:: multiplyEigen(cv::Mat& eigenvectors, cv::Mat& image, cv::Mat& result)
+{
+    cv::Mat reshapedImage = image.reshape(1, 1);
+    cv::Mat floatImage;
+    reshapedImage.convertTo(floatImage, CV_32F);
+    result = floatImage * eigenvectors.t();
+}
diff --git a/CV/face_recognition.h b/CV/face_recognition.h
@@ -0,0 +1,20 @@
+#ifndef FACE_RECOGNITION_H
+#define FACE_RECOGNITION_H
+#include <opencv2/core/core.hpp>
+#include <opencv2/highgui/highgui.hpp>
+#include<opencv2/imgproc.hpp>
+#include<opencv2/imgproc/types_c.h>
+
+
+class face_recognition
+{
+public:
+    face_recognition();
+   private:
+    void performPCA(cv::Mat& dataPoints, cv::Mat& eigenvalues, cv::Mat& eigenvectors, cv:: Mat& convertedData,int numComponents);
+    void multiplyEigen(cv::Mat& eigenvectors, cv::Mat& image, cv::Mat& result);
+
+
+};
+
+#endif // FACE_RECOGNITION_H