/*******************************************************************
* Function Name: Write
* Return Type : int
* Created On : Feb 11, 2013
* Created By : hrushi
* Comments : Writes the features for the given image into the file.
* The Image name and the features are taken from the
* class member variable map
* Arguments :
*******************************************************************/
int Features::Write( const Args& args, const int CurrentLabel, const ContourMap& Segments )
{
if(bWBanner)
{
WriteBanner();
bWBanner = false;
}
WriteFeatures(args,CurrentLabel, Segments);
return EXIT_SUCCESS;
}
void HarrisBuffer::DetectInterestPoints(int border)
{
ipList.clear();
Hbuffer.FindLocalMaxima(ipList,true);
CvMat *reg=cvCreateMat( SizeNeighb, 1, CV_64F );
//remove border
if(border<2)
border=2; // interest points in the boundary should be remove to have a valid local 5x5x5 mask
// an alternative could be extending by 2 pixel in space dimensions
//select significant points which are not in the boundary
for(int i=0;i<(int)ipList.size();i++)
if(ipList[i].x>=border && (ipList[i].x<frame->width-border) &&
ipList[i].y>=border && (ipList[i].y<frame->height-border) && ipList[i].val>SignificantPointThresh)
ipList[i].reject=false;
//computing JET features around an interest point by 5x5x5 local mask
for(int i=0;i<(int)ipList.size();i++)
if(!ipList[i].reject)
{
ipList[i].features=cvCreateMat( LengthFeatures, 1, CV_64F );
convbuffer.GetLocalRegion(ipList[i].x,ipList[i].y ,ipList[i].t,5,5,5, reg);
cvMatMul(&JetFilter,reg,ipList[i].features);
cvMul(ipList[i].features,normvec,ipList[i].features);//normalization
}
cvReleaseMat(®);
//check tstamp for any possible error
//writing selected interest points to file
for(int i=0;i<(int)ipList.size();i++)
if(!ipList[i].reject)
WriteFeatures(ipList[i]);
}
