Esempio n. 1
0
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;
}
Esempio n. 2
0
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);
}
Esempio n. 3
0
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);
    }
}