From cd501d947c11e25e75403611313d7ec3b5cb6047 Mon Sep 17 00:00:00 2001
From: Daniil-Osokin <daniil.osokin@itseez.com>
Date: Sat, 6 Oct 2012 18:23:21 +0400
Subject: [PATCH] perf tests for calcHist 2-3D case

---
 modules/imgproc/perf/perf_histogram.cpp | 73 +++++++++++++++++++++++++++++----
 1 file changed, 66 insertions(+), 7 deletions(-)

diff --git a/modules/imgproc/perf/perf_histogram.cpp b/modules/imgproc/perf/perf_histogram.cpp
index 2cb7ee5..3b32063 100644
--- a/modules/imgproc/perf/perf_histogram.cpp
+++ b/modules/imgproc/perf/perf_histogram.cpp
@@ -9,14 +9,14 @@ using std::tr1::get;
 
 typedef tr1::tuple<Size, MatType> Size_Source_t;
 typedef TestBaseWithParam<Size_Source_t> Size_Source;
-
 typedef TestBaseWithParam<Size> MatSize;
 
+static const float rangeHight = 256.0f;
+static const float rangeLow = 0.0f;
 
-PERF_TEST_P(Size_Source, calcHist,
-            testing::Combine(testing::Values(TYPICAL_MAT_SIZES),
-                             testing::Values(CV_8U, CV_32F)
-                             )
+PERF_TEST_P(Size_Source, calcHist1d,
+            testing::Combine(testing::Values(sz3MP, sz5MP),
+                             testing::Values(CV_8U, CV_16U, CV_32F) )
             )
 {
     Size size = get<0>(GetParam());
@@ -28,10 +28,69 @@ PERF_TEST_P(Size_Source, calcHist,
     int dims = 1;
     int numberOfImages = 1;
 
-    const float r[] = {0.0f, 256.0f};
+    const float r[] = {rangeLow, rangeHight};
     const float* ranges[] = {r};
 
-    declare.in(source, WARMUP_RNG).time(20).iterations(1000);
+    randu(source, rangeLow, rangeHight);
+
+    declare.in(source);
+
+    TEST_CYCLE()
+    {
+        calcHist(&source, numberOfImages, channels, Mat(), hist, dims, histSize, ranges);
+    }
+
+    SANITY_CHECK(hist);
+}
+
+PERF_TEST_P(Size_Source, calcHist2d,
+            testing::Combine(testing::Values(sz3MP, sz5MP),
+                             testing::Values(CV_8UC2, CV_16UC2, CV_32FC2) )
+            )
+{
+    Size size = get<0>(GetParam());
+    MatType type = get<1>(GetParam());
+    Mat source(size.height, size.width, type);
+    Mat hist;
+    int channels [] = {0, 1};
+    int histSize [] = {256, 256};
+    int dims = 2;
+    int numberOfImages = 1;
+
+    const float r[] = {rangeLow, rangeHight};
+    const float* ranges[] = {r, r};
+
+    randu(source, rangeLow, rangeHight);
+
+    declare.in(source);
+    TEST_CYCLE()
+    {
+        calcHist(&source, numberOfImages, channels, Mat(), hist, dims, histSize, ranges);
+    }
+
+    SANITY_CHECK(hist);
+}
+
+PERF_TEST_P(Size_Source, calcHist3d,
+            testing::Combine(testing::Values(sz3MP, sz5MP),
+                             testing::Values(CV_8UC3, CV_16UC3, CV_32FC3) )
+            )
+{
+    Size size = get<0>(GetParam());
+    MatType type = get<1>(GetParam());
+    Mat hist;
+    int channels [] = {0, 1, 2};
+    int histSize [] = {32, 32, 32};
+    int dims = 3;
+    int numberOfImages = 1;
+    Mat source(size.height, size.width, type);
+
+    const float r[] = {rangeLow, rangeHight};
+    const float* ranges[] = {r, r, r};
+
+    randu(source, rangeLow, rangeHight);
+
+    declare.in(source);
     TEST_CYCLE()
     {
         calcHist(&source, numberOfImages, channels, Mat(), hist, dims, histSize, ranges);
-- 
2.7.4