386 lines
12 KiB
C++
386 lines
12 KiB
C++
|
#include <iostream>
|
||
|
|
#include <stdexcept>
|
||
|
|
|
||
|
|
//OpenVX includes
|
||
|
|
#include <VX/vx.h>
|
||
|
|
|
||
|
|
//OpenCV includes
|
||
|
|
#include "opencv2/core.hpp"
|
||
|
|
#include "opencv2/imgproc.hpp"
|
||
|
|
#include "opencv2/imgcodecs.hpp"
|
||
|
|
#include "opencv2/highgui.hpp"
|
||
|
|
|
||
|
|
#ifndef VX_VERSION_1_1
|
||
|
|
const vx_enum VX_IMAGE_FORMAT = VX_IMAGE_ATTRIBUTE_FORMAT;
|
||
|
|
const vx_enum VX_IMAGE_WIDTH = VX_IMAGE_ATTRIBUTE_WIDTH;
|
||
|
|
const vx_enum VX_IMAGE_HEIGHT = VX_IMAGE_ATTRIBUTE_HEIGHT;
|
||
|
|
const vx_enum VX_MEMORY_TYPE_HOST = VX_IMPORT_TYPE_HOST;
|
||
|
|
const vx_enum VX_MEMORY_TYPE_NONE = VX_IMPORT_TYPE_NONE;
|
||
|
|
const vx_enum VX_THRESHOLD_THRESHOLD_VALUE = VX_THRESHOLD_ATTRIBUTE_THRESHOLD_VALUE;
|
||
|
|
const vx_enum VX_THRESHOLD_THRESHOLD_LOWER = VX_THRESHOLD_ATTRIBUTE_THRESHOLD_LOWER;
|
||
|
|
const vx_enum VX_THRESHOLD_THRESHOLD_UPPER = VX_THRESHOLD_ATTRIBUTE_THRESHOLD_UPPER;
|
||
|
|
typedef uintptr_t vx_map_id;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
enum UserMemoryMode
|
||
|
|
{
|
||
|
|
COPY, USER_MEM
|
||
|
|
};
|
||
|
|
|
||
|
|
vx_image convertCvMatToVxImage(vx_context context, cv::Mat image, bool toCopy);
|
||
|
|
cv::Mat copyVxImageToCvMat(vx_image ovxImage);
|
||
|
|
void swapVxImage(vx_image ovxImage);
|
||
|
|
vx_status createProcessingGraph(vx_image inputImage, vx_image outputImage, vx_graph& graph);
|
||
|
|
int ovxDemo(std::string inputPath, UserMemoryMode mode);
|
||
|
|
|
||
|
|
|
||
|
|
vx_image convertCvMatToVxImage(vx_context context, cv::Mat image, bool toCopy)
|
||
|
|
{
|
||
|
|
if (!(!image.empty() && image.dims <= 2 && image.channels() == 1))
|
||
|
|
throw std::runtime_error("Invalid format");
|
||
|
|
|
||
|
|
vx_uint32 width = image.cols;
|
||
|
|
vx_uint32 height = image.rows;
|
||
|
|
|
||
|
|
vx_df_image color;
|
||
|
|
switch (image.depth())
|
||
|
|
{
|
||
|
|
case CV_8U:
|
||
|
|
color = VX_DF_IMAGE_U8;
|
||
|
|
break;
|
||
|
|
case CV_16U:
|
||
|
|
color = VX_DF_IMAGE_U16;
|
||
|
|
break;
|
||
|
|
case CV_16S:
|
||
|
|
color = VX_DF_IMAGE_S16;
|
||
|
|
break;
|
||
|
|
case CV_32S:
|
||
|
|
color = VX_DF_IMAGE_S32;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
throw std::runtime_error("Invalid format");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
vx_imagepatch_addressing_t addr;
|
||
|
|
addr.dim_x = width;
|
||
|
|
addr.dim_y = height;
|
||
|
|
addr.stride_x = (vx_uint32)image.elemSize();
|
||
|
|
addr.stride_y = (vx_uint32)image.step.p[0];
|
||
|
|
vx_uint8* ovxData = image.data;
|
||
|
|
|
||
|
|
vx_image ovxImage;
|
||
|
|
if (toCopy)
|
||
|
|
{
|
||
|
|
ovxImage = vxCreateImage(context, width, height, color);
|
||
|
|
if (vxGetStatus((vx_reference)ovxImage) != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to create image");
|
||
|
|
vx_rectangle_t rect;
|
||
|
|
|
||
|
|
vx_status status = vxGetValidRegionImage(ovxImage, &rect);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to get valid region");
|
||
|
|
|
||
|
|
#ifdef VX_VERSION_1_1
|
||
|
|
status = vxCopyImagePatch(ovxImage, &rect, 0, &addr, ovxData, VX_WRITE_ONLY, VX_MEMORY_TYPE_HOST);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to copy image patch");
|
||
|
|
#else
|
||
|
|
status = vxAccessImagePatch(ovxImage, &rect, 0, &addr, (void**)&ovxData, VX_WRITE_ONLY);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to access image patch");
|
||
|
|
status = vxCommitImagePatch(ovxImage, &rect, 0, &addr, ovxData);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to commit image patch");
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ovxImage = vxCreateImageFromHandle(context, color, &addr, (void**)&ovxData, VX_MEMORY_TYPE_HOST);
|
||
|
|
if (vxGetStatus((vx_reference)ovxImage) != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to create image from handle");
|
||
|
|
}
|
||
|
|
|
||
|
|
return ovxImage;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
cv::Mat copyVxImageToCvMat(vx_image ovxImage)
|
||
|
|
{
|
||
|
|
vx_status status;
|
||
|
|
vx_df_image df_image = 0;
|
||
|
|
vx_uint32 width, height;
|
||
|
|
status = vxQueryImage(ovxImage, VX_IMAGE_FORMAT, &df_image, sizeof(vx_df_image));
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to query image");
|
||
|
|
status = vxQueryImage(ovxImage, VX_IMAGE_WIDTH, &width, sizeof(vx_uint32));
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to query image");
|
||
|
|
status = vxQueryImage(ovxImage, VX_IMAGE_HEIGHT, &height, sizeof(vx_uint32));
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to query image");
|
||
|
|
|
||
|
|
if (!(width > 0 && height > 0)) throw std::runtime_error("Invalid format");
|
||
|
|
|
||
|
|
int depth;
|
||
|
|
switch (df_image)
|
||
|
|
{
|
||
|
|
case VX_DF_IMAGE_U8:
|
||
|
|
depth = CV_8U;
|
||
|
|
break;
|
||
|
|
case VX_DF_IMAGE_U16:
|
||
|
|
depth = CV_16U;
|
||
|
|
break;
|
||
|
|
case VX_DF_IMAGE_S16:
|
||
|
|
depth = CV_16S;
|
||
|
|
break;
|
||
|
|
case VX_DF_IMAGE_S32:
|
||
|
|
depth = CV_32S;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
throw std::runtime_error("Invalid format");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
cv::Mat image(height, width, CV_MAKE_TYPE(depth, 1));
|
||
|
|
|
||
|
|
vx_rectangle_t rect;
|
||
|
|
rect.start_x = rect.start_y = 0;
|
||
|
|
rect.end_x = width; rect.end_y = height;
|
||
|
|
|
||
|
|
vx_imagepatch_addressing_t addr;
|
||
|
|
addr.dim_x = width;
|
||
|
|
addr.dim_y = height;
|
||
|
|
addr.stride_x = (vx_uint32)image.elemSize();
|
||
|
|
addr.stride_y = (vx_uint32)image.step.p[0];
|
||
|
|
vx_uint8* matData = image.data;
|
||
|
|
|
||
|
|
#ifdef VX_VERSION_1_1
|
||
|
|
status = vxCopyImagePatch(ovxImage, &rect, 0, &addr, matData, VX_READ_ONLY, VX_MEMORY_TYPE_HOST);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to copy image patch");
|
||
|
|
#else
|
||
|
|
status = vxAccessImagePatch(ovxImage, &rect, 0, &addr, (void**)&matData, VX_READ_ONLY);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to access image patch");
|
||
|
|
status = vxCommitImagePatch(ovxImage, &rect, 0, &addr, matData);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to commit image patch");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return image;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void swapVxImage(vx_image ovxImage)
|
||
|
|
{
|
||
|
|
#ifdef VX_VERSION_1_1
|
||
|
|
vx_status status;
|
||
|
|
vx_memory_type_e memType;
|
||
|
|
status = vxQueryImage(ovxImage, VX_IMAGE_MEMORY_TYPE, &memType, sizeof(vx_memory_type_e));
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to query image");
|
||
|
|
if (memType == VX_MEMORY_TYPE_NONE)
|
||
|
|
{
|
||
|
|
//was created by copying user data
|
||
|
|
throw std::runtime_error("Image wasn't created from user handle");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//was created from user handle
|
||
|
|
status = vxSwapImageHandle(ovxImage, NULL, NULL, 0);
|
||
|
|
if (status != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to swap image handle");
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
//not supported until OpenVX 1.1
|
||
|
|
(void) ovxImage;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
vx_status createProcessingGraph(vx_image inputImage, vx_image outputImage, vx_graph& graph)
|
||
|
|
{
|
||
|
|
vx_status status;
|
||
|
|
vx_context context = vxGetContext((vx_reference)inputImage);
|
||
|
|
status = vxGetStatus((vx_reference)context);
|
||
|
|
if(status != VX_SUCCESS) return status;
|
||
|
|
|
||
|
|
graph = vxCreateGraph(context);
|
||
|
|
status = vxGetStatus((vx_reference)graph);
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
|
||
|
|
vx_uint32 width, height;
|
||
|
|
status = vxQueryImage(inputImage, VX_IMAGE_WIDTH, &width, sizeof(vx_uint32));
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
status = vxQueryImage(inputImage, VX_IMAGE_HEIGHT, &height, sizeof(vx_uint32));
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
|
||
|
|
// Intermediate images
|
||
|
|
vx_image
|
||
|
|
smoothed = vxCreateVirtualImage(graph, 0, 0, VX_DF_IMAGE_VIRT),
|
||
|
|
cannied = vxCreateVirtualImage(graph, 0, 0, VX_DF_IMAGE_VIRT),
|
||
|
|
halfImg = vxCreateImage(context, width, height, VX_DF_IMAGE_U8),
|
||
|
|
halfCanny = vxCreateImage(context, width, height, VX_DF_IMAGE_U8);
|
||
|
|
|
||
|
|
vx_image virtualImages[] = {smoothed, cannied, halfImg, halfCanny};
|
||
|
|
for(size_t i = 0; i < sizeof(virtualImages)/sizeof(vx_image); i++)
|
||
|
|
{
|
||
|
|
status = vxGetStatus((vx_reference)virtualImages[i]);
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Constants
|
||
|
|
vx_uint32 threshValue = 50;
|
||
|
|
vx_threshold thresh = vxCreateThreshold(context, VX_THRESHOLD_TYPE_BINARY, VX_TYPE_UINT8);
|
||
|
|
vxSetThresholdAttribute(thresh, VX_THRESHOLD_THRESHOLD_VALUE,
|
||
|
|
&threshValue, sizeof(threshValue));
|
||
|
|
|
||
|
|
vx_uint32 threshCannyMin = 127;
|
||
|
|
vx_uint32 threshCannyMax = 192;
|
||
|
|
vx_threshold threshCanny = vxCreateThreshold(context, VX_THRESHOLD_TYPE_RANGE, VX_TYPE_UINT8);
|
||
|
|
vxSetThresholdAttribute(threshCanny, VX_THRESHOLD_THRESHOLD_LOWER, &threshCannyMin,
|
||
|
|
sizeof(threshCannyMin));
|
||
|
|
vxSetThresholdAttribute(threshCanny, VX_THRESHOLD_THRESHOLD_UPPER, &threshCannyMax,
|
||
|
|
sizeof(threshCannyMax));
|
||
|
|
vx_float32 alphaValue = 0.5;
|
||
|
|
vx_scalar alpha = vxCreateScalar(context, VX_TYPE_FLOAT32, &alphaValue);
|
||
|
|
|
||
|
|
// Sequence of meaningless image operations
|
||
|
|
vx_node nodes[] = {
|
||
|
|
vxGaussian3x3Node(graph, inputImage, smoothed),
|
||
|
|
vxCannyEdgeDetectorNode(graph, smoothed, threshCanny, 3, VX_NORM_L2, cannied),
|
||
|
|
vxAccumulateWeightedImageNode(graph, inputImage, alpha, halfImg),
|
||
|
|
vxAccumulateWeightedImageNode(graph, cannied, alpha, halfCanny),
|
||
|
|
vxAddNode(graph, halfImg, halfCanny, VX_CONVERT_POLICY_SATURATE, outputImage)
|
||
|
|
};
|
||
|
|
|
||
|
|
for (size_t i = 0; i < sizeof(nodes) / sizeof(vx_node); i++)
|
||
|
|
{
|
||
|
|
status = vxGetStatus((vx_reference)nodes[i]);
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
status = vxVerifyGraph(graph);
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int ovxDemo(std::string inputPath, UserMemoryMode mode)
|
||
|
|
{
|
||
|
|
cv::Mat image = cv::imread(inputPath, cv::IMREAD_GRAYSCALE);
|
||
|
|
if (image.empty()) return -1;
|
||
|
|
|
||
|
|
//check image format
|
||
|
|
if (image.depth() != CV_8U || image.channels() != 1) return -1;
|
||
|
|
|
||
|
|
vx_status status;
|
||
|
|
vx_context context = vxCreateContext();
|
||
|
|
status = vxGetStatus((vx_reference)context);
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
|
||
|
|
//put user data from cv::Mat to vx_image
|
||
|
|
vx_image ovxImage;
|
||
|
|
ovxImage = convertCvMatToVxImage(context, image, mode == COPY);
|
||
|
|
|
||
|
|
vx_uint32 width = image.cols, height = image.rows;
|
||
|
|
|
||
|
|
vx_image ovxResult;
|
||
|
|
cv::Mat output;
|
||
|
|
if (mode == COPY)
|
||
|
|
{
|
||
|
|
//we will copy data from vx_image to cv::Mat
|
||
|
|
ovxResult = vxCreateImage(context, width, height, VX_DF_IMAGE_U8);
|
||
|
|
if (vxGetStatus((vx_reference)ovxResult) != VX_SUCCESS)
|
||
|
|
throw std::runtime_error("Failed to create image");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//create vx_image based on user data, no copying required
|
||
|
|
output = cv::Mat(height, width, CV_8U, cv::Scalar(0));
|
||
|
|
ovxResult = convertCvMatToVxImage(context, output, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
vx_graph graph;
|
||
|
|
status = createProcessingGraph(ovxImage, ovxResult, graph);
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
|
||
|
|
// Graph execution
|
||
|
|
status = vxProcessGraph(graph);
|
||
|
|
if (status != VX_SUCCESS) return status;
|
||
|
|
|
||
|
|
//getting resulting image in cv::Mat
|
||
|
|
if (mode == COPY)
|
||
|
|
{
|
||
|
|
output = copyVxImageToCvMat(ovxResult);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//we should take user memory back from vx_image before using it (even before reading)
|
||
|
|
swapVxImage(ovxResult);
|
||
|
|
}
|
||
|
|
|
||
|
|
//here output goes
|
||
|
|
cv::imshow("processing result", output);
|
||
|
|
cv::waitKey(0);
|
||
|
|
|
||
|
|
//we need to take user memory back before releasing the image
|
||
|
|
if (mode == USER_MEM)
|
||
|
|
swapVxImage(ovxImage);
|
||
|
|
|
||
|
|
cv::destroyAllWindows();
|
||
|
|
|
||
|
|
status = vxReleaseContext(&context);
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
const std::string keys =
|
||
|
|
"{help h usage ? | | }"
|
||
|
|
"{image | <none> | image to be processed}"
|
||
|
|
"{mode | copy | user memory interaction mode: \n"
|
||
|
|
"copy: create VX images and copy data to/from them\n"
|
||
|
|
"user_mem: use handles to user-allocated memory}"
|
||
|
|
;
|
||
|
|
|
||
|
|
cv::CommandLineParser parser(argc, argv, keys);
|
||
|
|
parser.about("OpenVX interoperability sample demonstrating standard OpenVX API."
|
||
|
|
"The application loads an image, processes it with OpenVX graph and outputs result in a window");
|
||
|
|
if (parser.has("help"))
|
||
|
|
{
|
||
|
|
parser.printMessage();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
std::string imgPath = parser.get<std::string>("image");
|
||
|
|
std::string modeString = parser.get<std::string>("mode");
|
||
|
|
UserMemoryMode mode;
|
||
|
|
if(modeString == "copy")
|
||
|
|
{
|
||
|
|
mode = COPY;
|
||
|
|
}
|
||
|
|
else if(modeString == "user_mem")
|
||
|
|
{
|
||
|
|
mode = USER_MEM;
|
||
|
|
}
|
||
|
|
else if(modeString == "map")
|
||
|
|
{
|
||
|
|
std::cerr << modeString << " is not implemented in this sample" << std::endl;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
std::cerr << modeString << ": unknown memory mode" << std::endl;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!parser.check())
|
||
|
|
{
|
||
|
|
parser.printErrors();
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ovxDemo(imgPath, mode);
|
||
|
|
}
|