modules/imgproc/perf/perf_resize.cpp

   1 #include "perf_precomp.hpp"
   2
   3 using namespace std;
   4 using namespace cv;
   5 using namespace perf;
   6 using std::tr1::make_tuple;
   7 using std::tr1::get;
   8
   9 typedef tr1::tuple<MatType, Size, Size> MatInfo_Size_Size_t;
  10 typedef TestBaseWithParam<MatInfo_Size_Size_t> MatInfo_Size_Size;
  11
  12 PERF_TEST_P(MatInfo_Size_Size, resizeUpLinear,
  13             testing::Values(
  14                 MatInfo_Size_Size_t(CV_8UC1, szVGA, szqHD),
  15                 MatInfo_Size_Size_t(CV_8UC1, szVGA, sz720p),
  16                 MatInfo_Size_Size_t(CV_8UC4, szVGA, sz720p)
  17                 )
  18             )
  19 {
  20     int matType = get<0>(GetParam());
  21     Size from = get<1>(GetParam());
  22     Size to = get<2>(GetParam());
  23
  24     cv::Mat src(from, matType), dst(to, matType);
  25     cvtest::fillGradient(src);
  26     declare.in(src).out(dst);
  27
  28     TEST_CYCLE() resize(src, dst, to);
  29
  30 #ifdef ANDROID
  31     SANITY_CHECK(dst, 5);
  32 #else
  33     SANITY_CHECK(dst, 1 + 1e-6);
  34 #endif
  35 }
  36
  37 PERF_TEST_P(MatInfo_Size_Size, resizeDownLinear,
  38             testing::Values(
  39                 MatInfo_Size_Size_t(CV_8UC1, szVGA, szQVGA),
  40                 MatInfo_Size_Size_t(CV_8UC4, szqHD, szVGA),
  41                 MatInfo_Size_Size_t(CV_8UC1, sz720p, Size(120 * sz720p.width / sz720p.height, 120)),//face detection min_face_size = 20%
  42                 MatInfo_Size_Size_t(CV_8UC4, sz720p, szVGA),
  43                 MatInfo_Size_Size_t(CV_8UC4, sz720p, szQVGA)
  44                 )
  45             )
  46 {
  47     int matType = get<0>(GetParam());
  48     Size from = get<1>(GetParam());
  49     Size to = get<2>(GetParam());
  50
  51     cv::Mat src(from, matType), dst(to, matType);
  52     cvtest::fillGradient(src);
  53     declare.in(src).out(dst);
  54
  55     TEST_CYCLE() resize(src, dst, to);
  56
  57 #ifdef ANDROID
  58     SANITY_CHECK(dst, 5);
  59 #else
  60     SANITY_CHECK(dst, 1 + 1e-6);
  61 #endif
  62 }
  63
  64
  65 typedef tr1::tuple<MatType, Size, int> MatInfo_Size_Scale_t;
  66 typedef TestBaseWithParam<MatInfo_Size_Scale_t> MatInfo_Size_Scale;
  67
  68 PERF_TEST_P(MatInfo_Size_Scale, ResizeAreaFast,
  69             testing::Combine(
  70                 testing::Values(CV_8UC1, CV_8UC4),
  71                 testing::Values(szVGA, szqHD, sz720p, sz1080p),
  72                 testing::Values(2)
  73                 )
  74             )
  75 {
  76     int matType = get<0>(GetParam());
  77     Size from = get<1>(GetParam());
  78     int scale = get<2>(GetParam());
  79
  80     from.width = (from.width/scale)*scale;
  81     from.height = (from.height/scale)*scale;
  82
  83     cv::Mat src(from, matType);
  84     cv::Mat dst(from.height / scale, from.width / scale, matType);
  85
  86     declare.in(src, WARMUP_RNG).out(dst);
  87
  88     TEST_CYCLE() resize(src, dst, dst.size(), 0, 0, INTER_AREA);
  89
  90     //difference equal to 1 is allowed because of different possible rounding modes: round-to-nearest vs bankers' rounding
  91     SANITY_CHECK(dst, 1);
  92 }
  93
  94
  95 typedef TestBaseWithParam<tr1::tuple<MatType, Size, double> > MatInfo_Size_Scale_Area;
  96
  97 PERF_TEST_P(MatInfo_Size_Scale_Area, ResizeArea,
  98             testing::Combine(
  99                 testing::Values(CV_8UC1, CV_8UC4),
 100                 testing::Values(szVGA, szqHD, sz720p),
 101                 testing::Values(2.4, 3.4, 1.3)
 102                 )
 103             )
 104 {
 105     int matType = get<0>(GetParam());
 106     Size from = get<1>(GetParam());
 107     double scale = get<2>(GetParam());
 108
 109     cv::Mat src(from, matType);
 110
 111     Size to(cvRound(from.width * scale), cvRound(from.height * scale));
 112     cv::Mat dst(to, matType);
 113
 114     declare.in(src, WARMUP_RNG).out(dst);
 115     declare.time(100);
 116
 117     TEST_CYCLE() resize(src, dst, dst.size(), 0, 0, INTER_AREA);
 118
 119     //difference equal to 1 is allowed because of different possible rounding modes: round-to-nearest vs bankers' rounding
 120     SANITY_CHECK(dst, 1);
 121 }