void HIVSimpleDiagnostic::Update( float dt )
{
bool cascade_state_ok = UpdateCascade();
if( !cascade_state_ok )
{
// the cascadeState must be an abort state
return ;
}
if( firstUpdate )
{
result_of_positive_test = positiveTestResult() ;
}
else
{
// ------------------------------------------------------------------------------
// --- Count down the time until a positive test result comes back
// --- Update() is called the same day as Distribute() so we don't want
// --- to decrement the counter until the next day.
// ------------------------------------------------------------------------------
days_to_diagnosis -= dt;
}
ActOnResultsIfTime();
firstUpdate = false;
}
void MBLBPDetectSingleScale( const IplImage* img,
MBLBPCascade * pCascade,
CvSeq * positions,
CvSize winStride)
{
IplImage * sum = 0;
int ystep, xstep, ymax, xmax;
CV_FUNCNAME( "MBLBPDetectSingleScale" );
__BEGIN__;
if( !img )
CV_ERROR( CV_StsNullPtr, "Null image pointer" );
if( ! pCascade)
CV_ERROR( CV_StsNullPtr, "Invalid classifier cascade" );
if( !positions )
CV_ERROR( CV_StsNullPtr, "Null CvSeq pointer" );
if(pCascade->win_width > img->width ||
pCascade->win_height > img->height)
return ;
CV_CALL( sum = cvCreateImage(cvSize(img->width, img->height), IPL_DEPTH_32S, 1));
myIntegral(img, sum);
//cvIntegral(img, sum);
UpdateCascade(pCascade, sum);
ystep = winStride.height;
xstep = winStride.width;
ymax = img->height - pCascade->win_height -1;
xmax = img->width - pCascade->win_width -1;
#ifdef _OPENMP
#pragma omp parallel for
#endif
for(int iy = 0; iy < ymax; iy+=ystep)
{
for(int ix = 0; ix < xmax; ix+=xstep)
{
int w_offset = iy * sum->widthStep / sizeof(int) + ix;
int result = DetectAt(pCascade, w_offset);
if( result > 0)
{
//since the integral image is different with that of OpenCV,
//update the position to OpenCV's by adding 1.
CvPoint pt = cvPoint(ix+1, iy+1);
#ifdef _OPENMP
omp_set_lock(&lock);
#endif
cvSeqPush(positions, &pt);
#ifdef _OPENMP
omp_unset_lock(&lock);
#endif
}
if(result == 0)
{
ix += xstep;
}
}
}
__END__;
cvReleaseImage(&sum);
return ;
}
