From e7108f48ab4c10f215006e57f2b101459da11bac Mon Sep 17 00:00:00 2001
From: Alexander Smorkalov <alexander.smorkalov@xperience.ai>
Date: Wed, 19 Jun 2024 15:29:07 +0300
Subject: [PATCH] Extended bilateralFilter test to cover more branches.

---
 modules/imgproc/perf/perf_bilateral.cpp        | 8 +++++---
 modules/imgproc/test/test_bilateral_filter.cpp | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/modules/imgproc/perf/perf_bilateral.cpp b/modules/imgproc/perf/perf_bilateral.cpp
index ed6a741e08..38f2a503d3 100644
--- a/modules/imgproc/perf/perf_bilateral.cpp
+++ b/modules/imgproc/perf/perf_bilateral.cpp
@@ -7,23 +7,25 @@ namespace opencv_test {
 
 CV_ENUM(Mat_Type, CV_8UC1, CV_8UC3, CV_32FC1, CV_32FC3)
 
-typedef TestBaseWithParam< tuple<Size, int, Mat_Type> > TestBilateralFilter;
+typedef TestBaseWithParam< tuple<Size, int, Mat_Type, double> > TestBilateralFilter;
 
 PERF_TEST_P( TestBilateralFilter, BilateralFilter,
              Combine(
                 Values( szVGA, sz1080p ), // image size
                 Values( 3, 5 ), // d
-                Mat_Type::all() // image type
+                Mat_Type::all(), // image type
+                Values(1., 5.)
              )
 )
 {
     Size sz;
     int d, type;
-    const double sigmaColor = 1., sigmaSpace = 1.;
+    double sigmaColor, sigmaSpace;
 
     sz         = get<0>(GetParam());
     d          = get<1>(GetParam());
     type       = get<2>(GetParam());
+    sigmaColor = sigmaSpace = get<3>(GetParam());
 
     Mat src(sz, type);
     Mat dst(sz, type);
diff --git a/modules/imgproc/test/test_bilateral_filter.cpp b/modules/imgproc/test/test_bilateral_filter.cpp
index badd879a8a..0f92836808 100644
--- a/modules/imgproc/test/test_bilateral_filter.cpp
+++ b/modules/imgproc/test/test_bilateral_filter.cpp
@@ -243,7 +243,7 @@ namespace opencv_test { namespace {
 
         rng.fill(_src, RNG::UNIFORM, 0, 256);
 
-        _sigma_color = _sigma_space = 1.;
+        _sigma_color = _sigma_space = rng.uniform(0., 10.);
 
         return 1;
     }