void buildPyramid(const cv::gpu::GpuMat& cvgmGray_){
cvgmGray_.copyTo(*_acvgmShrPtrPyrBWs[0]);
for (int n=0; n< 3; n++){
cv::gpu::resize(*_acvgmShrPtrPyrBWs[n],*_acvgmShrPtrPyrBWs[n+1],cv::Size(0,0),.5f,.5f );
}
return;
}
static void processFrameGPU(cv::gpu::GpuMat &m)
{
static cv::gpu::GpuMat aux;
static cv::gpu::GpuMat aux2;
static cv::gpu::GpuMat aux3;
cv::gpu::cvtColor(m, aux, CV_BGR2GRAY);
cv::gpu::GaussianBlur(aux,aux2, cv::Size(7,7),1.5);
cv::gpu::Canny(aux2, aux3, 2, 15);
aux3.copyTo(m);
}
void cv::softcascade::SCascade::detect(InputArray _image, InputArray _rois, OutputArray _objects, cv::gpu::Stream& s) const
{
CV_Assert(fields);
// only color images and precomputed integrals are supported
int type = _image.type();
CV_Assert(type == CV_8UC3 || type == CV_32SC1 || (!_rois.empty()));
const cv::gpu::GpuMat image = _image.getGpuMat();
if (_objects.empty()) _objects.create(1, 4096 * sizeof(Detection), CV_8UC1);
cv::gpu::GpuMat rois = _rois.getGpuMat(), objects = _objects.getGpuMat();
/// roi
Fields& flds = *fields;
int shr = flds.shrinkage;
flds.mask.create( rois.cols / shr, rois.rows / shr, rois.type());
device::shrink(rois, flds.mask);
//cv::gpu::transpose(flds.genRoiTmp, flds.mask, s);
if (type == CV_8UC3)
{
flds.update(image.rows, image.cols, flds.shrinkage);
if (flds.check((float)minScale, (float)maxScale, scales))
flds.createLevels(image.rows, image.cols);
flds.preprocessor->apply(image, flds.shrunk);
integral(flds.shrunk, flds.hogluv, flds.integralBuffer, s);
}
else
{
if (s)
s.enqueueCopy(image, flds.hogluv);
else
image.copyTo(flds.hogluv);
}
flds.detect(objects, s);
if ( (flags && NMS_MASK) != NO_REJECT)
{
cv::gpu::GpuMat spr(objects, cv::Rect(0, 0, flds.suppressed.cols, flds.suppressed.rows));
flds.suppress(objects, s);
flds.suppressed.copyTo(spr);
}
}
