OpenCV_4.2.0/opencv_contrib-4.2.0/modules/datasets/samples/hpe_parse.cpp

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/*M///////////////////////////////////////////////////////////////////////////////////////
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#include "opencv2/datasets/hpe_parse.hpp"
#include <opencv2/core.hpp>
#include <cstdio>
#include <string>
#include <vector>
using namespace std;
using namespace cv;
using namespace cv::datasets;
int main(int argc, char *argv[])
{
const char *keys =
"{ help h usage ? | | show this message }"
"{ path p |true| path to dataset (people_all folder) }";
CommandLineParser parser(argc, argv, keys);
string path(parser.get<string>("path"));
if (parser.has("help") || path=="true")
{
parser.printMessage();
return -1;
}
Ptr<HPE_parse> dataset = HPE_parse::create();
dataset->load(path);
// ***************
// dataset. train & test contain appropriate images
// For example, let output their sizes and first elements.
printf("train size: %u\n", (unsigned int)dataset->getTrain().size());
printf("test size: %u\n", (unsigned int)dataset->getTest().size());
HPE_parseObj *example1 = static_cast<HPE_parseObj *>(dataset->getTrain()[0].get());
HPE_parseObj *example2 = static_cast<HPE_parseObj *>(dataset->getTest()[0].get());
printf("first train image: %s\n", example1->name.c_str());
printf("first test image: %s\n", example2->name.c_str());
return 0;
}