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Enable FaceRecognizer on OpenCV3

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This commit is contained in:
Michael Vines 2016-02-24 20:12:23 -08:00
parent d7b7161871
commit 2405bc5a59
4 changed files with 48 additions and 12 deletions
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40
src/FaceRecognizer.cc
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@ -1,15 +1,19 @@
#include "FaceRecognizer.h"
#include "OpenCV.h"
#if CV_MAJOR_VERSION >= 3
#warning TODO: port me to OpenCV 3
#endif
#if ((CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION >=4) && (CV_SUBMINOR_VERSION>=4))
#ifdef HAVE_OPENCV_FACE
#include "FaceRecognizer.h"
#include "Matrix.h"
#include <nan.h>
#if CV_MAJOR_VERSION >= 3
namespace cv {
using std::vector;
using cv::face::createEigenFaceRecognizer;
using cv::face::createFisherFaceRecognizer;
using cv::face::createLBPHFaceRecognizer;
}
#endif
#define EIGEN 0
#define LBPH 1
#define FISHER 2
@ -373,7 +377,27 @@ NAN_METHOD(FaceRecognizerWrap::GetMat) {
JSTHROW("getMat takes a key")
}
std::string key = std::string(*Nan::Utf8String(info[0]->ToString()));
cv::Mat m = self->rec->getMat(key);
cv::Mat m;
#if CV_MAJOR_VERSION >= 3
cv::face::BasicFaceRecognizer *bfr =
dynamic_cast<cv::face::BasicFaceRecognizer*>(self->rec.get());
if (bfr == NULL) {
Nan::ThrowTypeError("getMat not supported");
return;
}
if (key.compare("mean") == 0) {
m = bfr->getMean();
} else if (key.compare("eigenvectors") == 0) {
m = bfr->getEigenVectors();
} else if (key.compare("eigenvalues") == 0) {
m = bfr->getEigenValues();
} else {
Nan::ThrowTypeError("Unknown getMat keyname");
return;
}
#else
m = self->rec->getMat(key);
#endif
Local<Object> im = Nan::New(Matrix::constructor)->GetFunction()->NewInstance();
Matrix *img = Nan::ObjectWrap::Unwrap<Matrix>(im);

9
src/FaceRecognizer.h
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@ -1,8 +1,15 @@
#include "OpenCV.h"
#if ((CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION >=4) && (CV_SUBMINOR_VERSION>=4))
#ifdef HAVE_OPENCV_FACE
#if CV_MAJOR_VERSION >= 3
#include <opencv2/face.hpp>
namespace cv {
using cv::face::FaceRecognizer;
}
#else
#include "opencv2/contrib/contrib.hpp"
#endif
class FaceRecognizerWrap: public Nan::ObjectWrap {
public:

5
src/OpenCV.h
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@ -22,7 +22,12 @@
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include <opencv2/videoio.hpp>
#include <opencv2/opencv_modules.hpp>
#endif
#if ((CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION >=4) && (CV_SUBMINOR_VERSION>=4))
#define HAVE_OPENCV_FACE
#endif
#include <string.h>
#include <nan.h>

6
src/init.cc
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@ -38,11 +38,11 @@ extern "C" void init(Local<Object> target) {
BackgroundSubtractorWrap::Init(target);
Features::Init(target);
LDAWrap::Init(target);
#if CV_SUBMINOR_VERSION>=4
#endif
#endif
#ifdef HAVE_OPENCV_FACE
FaceRecognizerWrap::Init(target);
#endif
#endif
#endif
};
NODE_MODULE(opencv, init)