/*

* imgproc.cpp * * Created on: 20 Nov 2014 * Author: sarahnicholson */

include <stdio.h>

include "opencv2/core/core.hpp"

//#include "core/core.hpp"

include "opencv2/opencv.hpp"

include "opencv2/imgproc/imgproc.hpp"

using namespace cv; using namespace std;

ImgProc::ImgProc(VideoCapture vc) { ImgProc::cap = vc; }

ImgProc::~ImgProc() {

}

//Creates png from video frames. Images then used to crop samples for the classifier. void ImgProc::createPng() { vector<int> compression_params; compression_params.push_back(IMWRITE_PNG_COMPRESSION); compression_params.push_back(3); string fname; Mat frame_in; int num = 0; //int framecount = cap.get(CV_CAP_PROP_FRAME_COUNT); //int counter = round(framecount/20);

for (int i = 1; i<0; i++)
{
    cap.read(frame_in);
}

while (1)
{
    //skip 19 frames
    for (int i = 0; i < 20; i++)
    {
        cap.read(frame_in);
    }
    //save the 20th frame as .png
    num++;
    std::stringstream sstm;
    sstm << "class_imgs/" << num << ".png";
    fname = sstm.str();
    const char * c = fname.c_str();
    try {
        imwrite(c, frame_in, compression_params);
    }
    catch (runtime_error& ex) {
        cout << "error" << endl;
    }
}

}

/*
ImgProc::ImgProc(VideoCapture vc)

* imgproc.cpp * * Created on: 20 Nov 2014 * Author: sarahnicholson */

include <stdio.h>

include "opencv2/core/core.hpp"

//#include "core/core.hpp"

include "opencv2/opencv.hpp"

include "opencv2/imgproc/imgproc.hpp"

using namespace cv; using namespace std;

ImgProc::ImgProc(VideoCapture vc) { ImgProc::cap = vc; }

for (int i = 1; i<0; i++)
{
    cap.read(frame_in);
}

while (1)
{
    //skip 19 frames
    for (int i = 0; i < 20; i++)
    {
        cap.read(frame_in);
    }
    //save the 20th frame as .png
    num++;
    std::stringstream sstm;
    sstm << "class_imgs/" << num << ".png";
    fname = sstm.str();
    const char * c = fname.c_str();
    try {
        imwrite(c, frame_in, compression_params);
    }
    catch (runtime_error& ex) {
        cout << "error" << endl;
    }
}