chore: import upstream snapshot with attribution

modules/imgproc/perf/perf_bilateral.cpp

@@ -0,0 +1,40 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+#include "perf_precomp.hpp"
+
+namespace opencv_test {
+
+CV_ENUM(Mat_Type, CV_8UC1, CV_8UC3, CV_32FC1, CV_32FC3)
+
+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
+                Values(1., 5.)
+             )
+)
+{
+    Size sz;
+    int d, type;
+    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);
+
+    declare.in(src, WARMUP_RNG).out(dst).time(20);
+
+    TEST_CYCLE() bilateralFilter(src, dst, d, sigmaColor, sigmaSpace, BORDER_DEFAULT);
+
+    SANITY_CHECK(dst, .01, ERROR_RELATIVE);
+}
+
+} // namespace