static vx_status VX_CALLBACK vxHalfscaleGaussianDeinitializer(vx_node node, const vx_reference *parameters, vx_uint32 num) { vx_status status = VX_ERROR_INVALID_PARAMETERS; if (num == 3) { vxSetChildGraphOfNode(node, 0); status = VX_SUCCESS; } return status; }
static vx_status VX_CALLBACK vxHarrisDeinitializer(vx_node node, vx_reference *parameters, vx_uint32 num) { vx_status status = VX_ERROR_INVALID_PARAMETERS; if (num == dimof(harris_kernel_params)) { vx_graph graph = vxGetChildGraphOfNode(node); vxReleaseGraph(&graph); /* set graph to "null" */ vxSetChildGraphOfNode(node, 0); status = VX_SUCCESS; } return status; }
static vx_status VX_CALLBACK vxHarrisInitializer(vx_node node, vx_reference parameters[], vx_uint32 num) { vx_status status = VX_FAILURE; if (num == dimof(harris_kernel_params)) { vx_image src = (vx_image)parameters[0]; vx_scalar str = (vx_scalar)parameters[1]; vx_scalar min = (vx_scalar)parameters[2]; vx_scalar sen = (vx_scalar)parameters[3]; vx_scalar win = (vx_scalar)parameters[4]; vx_scalar blk = (vx_scalar)parameters[5]; vx_array arr = (vx_array)parameters[6]; vx_scalar num_corners = (vx_scalar)parameters[7]; vx_context c = vxGetContext((vx_reference)node); vx_graph g = vxCreateGraph(c); vxLoadKernels(c, "openvx-extras"); vxLoadKernels(c, "openvx-debug"); if (g) { vx_uint32 i = 0; vx_int32 ds = 4; vx_scalar shift = vxCreateScalar(c, VX_TYPE_INT32, &ds); vx_image virts[] = { vxCreateVirtualImage(g, 0, 0, VX_DF_IMAGE_VIRT), // Gx vxCreateVirtualImage(g, 0, 0, VX_DF_IMAGE_VIRT), // Gy vxCreateVirtualImage(g, 0, 0, VX_DF_IMAGE_VIRT), // Score vxCreateVirtualImage(g, 0, 0, VX_DF_IMAGE_VIRT), // Suppressed vxCreateVirtualImage(g, 0, 0, VX_DF_IMAGE_U8), // Shifted Suppressed Log10 }; vx_node nodes[] = { vxSobelMxNNode(g, src, win, virts[0], virts[1]), vxHarrisScoreNode(g, virts[0], virts[1], sen, blk, virts[2]), vxEuclideanNonMaxNode(g, virts[2], str, min, virts[3]), vxImageListerNode(g, virts[3], arr, num_corners), #if defined(OPENVX_DEBUGGING) vxConvertDepthNode(g,virts[3],virts[4],VX_CONVERT_POLICY_WRAP,shift), vxFWriteImageNode(g,virts[4],"oharris_strength_power_up4.pgm"), #endif }; status = VX_SUCCESS; status |= vxAddParameterToGraphByIndex(g, nodes[0], 0); // src status |= vxAddParameterToGraphByIndex(g, nodes[2], 1); // str status |= vxAddParameterToGraphByIndex(g, nodes[2], 2); // min status |= vxAddParameterToGraphByIndex(g, nodes[1], 2); // sen status |= vxAddParameterToGraphByIndex(g, nodes[0], 1); // win status |= vxAddParameterToGraphByIndex(g, nodes[1], 3); // blk status |= vxAddParameterToGraphByIndex(g, nodes[3], 1); // arr status |= vxAddParameterToGraphByIndex(g, nodes[3], 2); // num_corners for (i = 0; i < dimof(nodes); i++) { vxReleaseNode(&nodes[i]); } for (i = 0; i < dimof(virts); i++) { vxReleaseImage(&virts[i]); } vxReleaseScalar(&shift); status |= vxVerifyGraph(g); VX_PRINT(VX_ZONE_INFO, "Status from Child Graph = %d\n", status); if (status == VX_SUCCESS) { status = vxSetChildGraphOfNode(node, g); } else { vxReleaseGraph(&g); } } } return status; }
static vx_status VX_CALLBACK vxHalfscaleGaussianInitializer(vx_node node, const vx_reference *parameters, vx_uint32 num) { vx_status status = VX_ERROR_INVALID_PARAMETERS; if (num == 3) { vx_image input = (vx_image)parameters[0]; vx_image output = (vx_image)parameters[1]; vx_int32 kernel_size = 3; vx_convolution convolution = 0; vx_context context = vxGetContext((vx_reference)node); vx_graph graph = vxCreateGraph(context); if (vxGetStatus((vx_reference)graph) == VX_SUCCESS) { vx_uint32 i; /* We have a child-graph; we want to make sure the parent graph is recognized as a valid scope for sake of virtual image parameters. */ graph->parentGraph = node->graph; vxReadScalarValue((vx_scalar)parameters[2], &kernel_size); if (kernel_size == 3 || kernel_size == 5) { if (kernel_size == 5) { convolution = vxCreateGaussian5x5Convolution(context); } if (kernel_size == 3 || convolution) { vx_image virt = vxCreateVirtualImage(graph, 0, 0, VX_DF_IMAGE_U8); vx_node nodes[] = { kernel_size == 3 ? vxGaussian3x3Node(graph, input, virt) : vxConvolveNode(graph, input, convolution, virt), vxScaleImageNode(graph, virt, output, VX_INTERPOLATION_TYPE_NEAREST_NEIGHBOR), }; vx_border_mode_t borders; vxQueryNode(node, VX_NODE_ATTRIBUTE_BORDER_MODE, &borders, sizeof(borders)); for (i = 0; i < dimof(nodes); i++) { vxSetNodeAttribute(nodes[i], VX_NODE_ATTRIBUTE_BORDER_MODE, &borders, sizeof(borders)); } status = VX_SUCCESS; status |= vxAddParameterToGraphByIndex(graph, nodes[0], 0); /* input image */ status |= vxAddParameterToGraphByIndex(graph, nodes[1], 1); /* output image */ status |= vxAddParameterToGraphByIndex(graph, node, 2); /* gradient size - refer to self to quiet sub-graph validator */ status |= vxVerifyGraph(graph); /* release our references, the graph will hold it's own */ for (i = 0; i < dimof(nodes); i++) { vxReleaseNode(&nodes[i]); } if (convolution) vxReleaseConvolution(&convolution); vxReleaseImage(&virt); status |= vxSetChildGraphOfNode(node, graph); } } vxReleaseGraph(&graph); } } return status; }