System information (version)

• OpenCV => 4.5.1-pre (git 46e275d )
• Operating System / Platform => Windows 10 x64
• Compiler => Visual Studio 2019 Community Editon x64, Ninja

Detailed description

C:\Slave\workspace\nightly-master\windows10\opencv\modules\stitching\test\test_exposure_compensate.cpp:66
Expected: (psnr_similarity_mask) > (300), actual: 38.0114 vs 300

Issue submission checklist

• I report the issue, it's not a question
• I checked the problem with documentation, FAQ, open issues,
  answers.opencv.org, Stack Overflow, etc and have not found solution
• I updated to latest OpenCV version and the issue is still there
• There is reproducer code and related data files: videos, images, onnx, etc