void ImagePlayer::frameChanged(int frame)
{
if (!presentImage(movie.currentImage())) {
movie.stop();
playButton->setEnabled(false);
positionSlider->setMaximum(0);
} else {
positionSlider->setValue(frame);
}
}
int main (int argc, const char * argv[])
{
if(argc < 4){
std::cout << "execute along with two image file paths." << std::endl;
}else if(argc > 4){
std::cout << "too many arguments." << std::endl;
}
FILE* fp;
if((fp = fopen(argv[1],"r")) == NULL){
std::cout << "input file 1 does not exist." << std::endl;
return 0;
}else{
fclose(fp);
}
if((fp = fopen(argv[2],"r")) == NULL){
std::cout << "input file 2 does not exist." << std::endl;
return 0;
}else{
fclose(fp);
}
std::string present(argv[1]);
std::string forward(argv[2]);
GrayScaleImage presentImage(present);
GrayScaleImage forwardImage(forward);
OneLayerOpticalFlow* of = new OneLayerOpticalFlow();
VectorField2D<double> opticalFlow = of->calcFlow(presentImage,forwardImage);
//VectorField2D<double> opticalFlow = of->calcFlowIteratively(presentImage, forwardImage);
char* name = "result";
cv::Mat cvPresentImage = cv::imread(present);
cv::namedWindow(name, CV_WINDOW_AUTOSIZE);
for(int i=0; i<opticalFlow.nX(); i++){
for(int j=0; j<opticalFlow.nY(); j++){
if(i%5 == 0 && j%5 == 0){
cv::line(cvPresentImage, cv::Point(i,j), cv::Point(i+opticalFlow.at(j,i)[0], j+opticalFlow.at(j,i)[1]),cv::Scalar(0,0,200),1,CV_AA);
}
}
}
cv::imwrite(argv[3],cvPresentImage);
return 0;
}
