Psnr             1695 modules/core/test/ocl/test_arithm.cpp OCL_TEST_P(Psnr, Mat)
Psnr             1849 modules/core/test/ocl/test_arithm.cpp OCL_INSTANTIATE_TEST_CASE_P(Arithm, Psnr, Combine(::testing::Values((MatDepth)CV_8U), OCL_ALL_CHANNELS, Bool()));