Example #1
0
        public void SetReferenceImage(NPPImage_32fC1 reference)
        {
            NppiRect saveRoi = new NppiRect(reference.PointRoi, reference.SizeRoi);
            NppiRect roi     = new NppiRect();

            roi.x      = 0; // (reference.WidthRoi - imgToTrackRotated.WidthRoi) / 2;
            roi.y      = 0; // (reference.HeightRoi - imgToTrackRotated.HeightRoi) / 2;
            roi.width  = imgToTrackRotated.WidthRoi;
            roi.height = imgToTrackRotated.HeightRoi;

            reference.SetRoi(roi);
            reference.Copy(imgToTrackRotated);

            forward.Exec(imgToTrackRotated.DevicePointerRoi, imgRefCplx.DevicePointer);
            reference.SetRoi(saveRoi);
        }
        public void LucasKanade(NPPImage_32fC1 sourceImg, NPPImage_32fC1 targetImg, NPPImage_32fC2 tiledFlow, int tileSize, int tileCountX, int tileCountY, int iterations, float2 baseShift, float baseRotation, float minDet, int windowSize)
        {
            createFlowFieldFromTiles.RunSafe(tiledFlow, d_flow, baseShift, baseRotation, tileSize, tileCountX, tileCountY);

            for (int iter = 0; iter < iterations; iter++)
            {
                warpingKernel.RunSafe(sourceImg, d_tmp, d_flow);
                NppiPoint p = new NppiPoint(0, 0);
                d_Ix.Set(0);
                d_Iy.Set(0);
                d_Iz.Set(0);

                computeDerivativesKernel.RunSafe(d_tmp, targetImg, d_Ix, d_Iy, d_Iz);
                lukasKanade.RunSafe(d_flow, d_Ix, d_Iy, d_Iz, minDet, windowSize);
            }
            warpingKernel.RunSafe(sourceImg, d_tmp, d_flow);
            d_tmp.Copy(sourceImg);
        }
Example #3
0
        public void RunImage(NPPImage_32fC3 input, NPPImage_32fC3 output)
        {
            NppiRect roiOrig = new NppiRect(input.PointRoi, input.SizeRoi);

            output.Set(new float[] { 0, 0, 0 });
            IEnumerable <Tiler.RoiInputOutput> rois = Tiler.GetROIs(new NppiRect(new NppiPoint(8, 8), new NppiSize(input.WidthRoi - 16, input.HeightRoi - 16)), _tileSize, 8);

            foreach (var item in rois)
            {
                input.SetRoi(item.inputROI);
                output.SetRoi(item.positionInFinalImage);
                tile.ResetRoi();

                input.Copy(tile);

                NPPImage_32fC1 npp32fCR = new NPPImage_32fC1(tileAsPlanes.DevicePointer, _tileSize, _tileSize, _tileSize * sizeof(float));
                NPPImage_32fC1 npp32fCG = new NPPImage_32fC1(tileAsPlanes.DevicePointer + (_tileSize * _tileSize * sizeof(float)), _tileSize, _tileSize, _tileSize * sizeof(float));
                NPPImage_32fC1 npp32fCB = new NPPImage_32fC1(tileAsPlanes.DevicePointer + 2 * (_tileSize * _tileSize * sizeof(float)), _tileSize, _tileSize, _tileSize * sizeof(float));

                tile.Copy(npp32fCR, 0);
                tile.Copy(npp32fCG, 1);
                tile.Copy(npp32fCB, 2);

                start.Inference(tileAsPlanes);

                CudaDeviceVariable <float> res = final.GetResult();
                int size = _tileSize - 16;
                npp32fCR = new NPPImage_32fC1(res.DevicePointer, size, size, size * sizeof(float));
                npp32fCG = new NPPImage_32fC1(res.DevicePointer + (size * size * sizeof(float)), size, size, size * sizeof(float));
                npp32fCB = new NPPImage_32fC1(res.DevicePointer + 2 * (size * size * sizeof(float)), size, size, size * sizeof(float));

                tile.SetRoi(0, 0, _tileSize - 16, _tileSize - 16);

                npp32fCR.Copy(tile, 0);
                npp32fCG.Copy(tile, 1);
                npp32fCB.Copy(tile, 2);

                tile.SetRoi(item.outputROI);
                tile.Copy(output);
            }
            input.SetRoi(roiOrig);
            output.SetRoi(roiOrig);
        }