OpenCV/opencv_contrib/modules/datasets/samples/msm_middlebury.cpp

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#include "opencv2/datasets/msm_middlebury.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 description }";
    CommandLineParser parser(argc, argv, keys);
    string path(parser.get<string>("path"));
    if (parser.has("help") || path=="true")
    {
        parser.printMessage();
        return -1;
    }

    Ptr<MSM_middlebury> dataset = MSM_middlebury::create();
    dataset->load(path);

    // ***************
    // dataset contains camera parameters for each image.
    // For example, let output number of elements and last element.
    printf("images number: %u\n", (unsigned int)dataset->getTrain().size());
    MSM_middleburyObj *example = static_cast<MSM_middleburyObj *>(dataset->getTrain().back().get());
    printf("last image name: %s\n", (path + example->imageName).c_str());
    printf("K:\n");
    for (int i=0; i<3; ++i)
    {
        for (int j=0; j<3; ++j)
        {
            printf("%f ", example->k(i, j));
        }
        printf("\n");
    }
    printf("R:\n");
    for (int i=0; i<3; ++i)
    {
        for (int j=0; j<3; ++j)
        {
            printf("%f ", example->r(i, j));
        }
        printf("\n");
    }
    printf("t:\n");
    for (int i=0; i<3; ++i)
    {
        printf("%f ", example->t[i]);
    }
    printf("\n");

    return 0;
}