Lines Matching refs:Dx
209 CvMat *Dx = 0, *Dy = 0, *cov = 0;
295 CV_CALL( Dx = cvCreateMat( max_dy, aligned_width, d_depth ));
299 Dx->cols = Dy->cols = size.width;
303 d_step = Dx->step ? Dx->step : CV_STUB_STEP;
324 dx_filter.process( src, Dx, cvRect(0,y,-1,delta), cvPoint(0,0), stage );
336 Dx->data.ptr, d_step, stripe_size,
345 Dx->data.ptr, d_step, stripe_size ));
356 const short* dxdata = (const short*)(Dx->data.ptr + i*Dx->step);
361 double dx = dxdata[j]*factorx;
364 cov_data[j*3] = (float)(dx*dx);
365 cov_data[j*3+1] = (float)(dx*dy);
371 const float* dxdata = (const float*)(Dx->data.ptr + i*Dx->step);
376 double dx = dxdata[j]*factorx;
379 cov_data[j*3] = (float)(dx*dx);
380 cov_data[j*3+1] = (float)(dx*dy);
411 cvReleaseMat( &Dx );
506 CvMat *Dx = 0, *Dy = 0, *D2x = 0, *D2y = 0, *Dxy = 0;
600 CV_CALL( Dx = cvCreateMat( max_dy, aligned_width, d_depth ));
605 Dx->cols = Dy->cols = D2x->cols = D2y->cols = Dxy->cols = size.width;
609 d_step = Dx->step ? Dx->step : CV_STUB_STEP;
631 dx_filter.process(src,Dx,roi,origin,stage);
643 Dx->data.ptr, d_step, stripe_size, aperture_size ));
660 const short* dxdata = (const short*)(Dx->data.ptr + i*Dx->step);
668 double dx = dxdata[j];
669 double dx2 = dx * dx;
673 dstdata[j] = (float)(factor*(dx2*d2ydata[j] + dy2*d2xdata[j] - 2*dx*dy*dxydata[j]));
678 const float* dxdata = (const float*)(Dx->data.ptr + i*Dx->step);
686 double dx = dxdata[j];
688 dstdata[j] = (float)(factor*(dx*dx*d2ydata[j] + dy*dy*d2xdata[j] - 2*dx*dy*dxydata[j]));
698 cvReleaseMat( &Dx );
