From f5368a9d90fa7d36987854c6944c8de48ab359be Mon Sep 17 00:00:00 2001
From: Tomoaki Teshima <tomoaki.teshima@gmail.com>
Date: Fri, 1 Oct 2021 23:17:02 +0900
Subject: [PATCH] [moved from opencv] suppress GaussianBlur to generate empty
 images   * sharp Gaussian kernel causes over flow and ends up in blank image

original commit: https://github.com/opencv/opencv/commit/1e74f5850bec99979584e0e37eeeab8c133be3a9
---
 modules/cudafilters/test/test_filters.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/cudafilters/test/test_filters.cpp b/modules/cudafilters/test/test_filters.cpp
index a86d8c9fff..bb235dad09 100644
--- a/modules/cudafilters/test/test_filters.cpp
+++ b/modules/cudafilters/test/test_filters.cpp
@@ -445,8 +445,8 @@ PARAM_TEST_CASE(GaussianBlur, cv::cuda::DeviceInfo, cv::Size, MatDepth, Channels
 CUDA_TEST_P(GaussianBlur, Accuracy)
 {
     cv::Mat src = randomMat(size, type);
-    double sigma1 = randomDouble(0.1, 1.0);
-    double sigma2 = randomDouble(0.1, 1.0);
+    double sigma1 = randomDouble(0.0, 1.0);
+    double sigma2 = randomDouble(0.0, 1.0);
 
     cv::Ptr<cv::cuda::Filter> gauss = cv::cuda::createGaussianFilter(src.type(), -1, ksize, sigma1, sigma2, borderType);