opencv/modules/imgproc/perf/perf_geometric_transformations.cpp

#include "perf_precomp.hpp"

using namespace std;
using namespace cv;
using namespace perf;

typedef tr1::tuple<MatType, Size, Size> MatInfo_Size_Size_t;
typedef TestBaseWithParam<MatInfo_Size_Size_t> MatInfo_Size_Size;

PERF_TEST_P(MatInfo_Size_Size, resizeUpLinear,
    testing::Values(
                MatInfo_Size_Size_t(CV_8UC1, szVGA, szqHD),
                MatInfo_Size_Size_t(CV_8UC1, szVGA, sz720p),
                MatInfo_Size_Size_t(CV_8UC4, szVGA, sz720p)
                )
)
{
    int matType = tr1::get<0>(GetParam());
    Size from = tr1::get<1>(GetParam());
    Size to = tr1::get<2>(GetParam());

    cv::Mat src(from, matType);
    cv::Mat dst(to, matType);

    declare.in(src, WARMUP_RNG).out(dst);

    TEST_CYCLE(100) cv::resize(src, dst, to);

    SANITY_CHECK(dst);
}

PERF_TEST_P(MatInfo_Size_Size, resizeDownLinear,
    testing::Values(
                MatInfo_Size_Size_t(CV_8UC1, szVGA, szQVGA),
                MatInfo_Size_Size_t(CV_8UC4, szqHD, szVGA),
                MatInfo_Size_Size_t(CV_8UC1, sz720p, Size(120 * sz720p.width / sz720p.height, 120)),//face detection min_face_size = 20%
                MatInfo_Size_Size_t(CV_8UC4, sz720p, szVGA),
                MatInfo_Size_Size_t(CV_8UC4, sz720p, szQVGA)
                )
)
{
    int matType = tr1::get<0>(GetParam());
    Size from = tr1::get<1>(GetParam());
    Size to = tr1::get<2>(GetParam());

    cv::Mat src(from, matType);
    cv::Mat dst(to, matType);

    declare.in(src, WARMUP_RNG).out(dst);

    TEST_CYCLE(100) cv::resize(src, dst, to);

    SANITY_CHECK(dst);
}