[ INFO:0@0.363] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\parallel\registry_parallel.impl.hpp (96) cv::parallel::ParallelBackendRegistry::ParallelBackendRegistry core(parallel): Enabled backends(3, sorted by priority): ONETBB(1000); TBB(990); OPENMP(980)
[ INFO:0@0.363] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\utils\plugin_loader.impl.hpp (67) cv::plugin::impl::DynamicLib::libraryLoad load G:\opencv--VS2022\opencv\build\x64\vc15\bin\opencv_core_parallel_onetbb455_64d.dll => FAILED
[ INFO:0@0.364] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\utils\plugin_loader.impl.hpp (67) cv::plugin::impl::DynamicLib::libraryLoad load opencv_core_parallel_onetbb455_64d.dll => FAILED
[ INFO:0@0.364] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\utils\plugin_loader.impl.hpp (67) cv::plugin::impl::DynamicLib::libraryLoad load G:\opencv--VS2022\opencv\build\x64\vc15\bin\opencv_core_parallel_tbb455_64d.dll => FAILED
[ INFO:0@0.365] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\utils\plugin_loader.impl.hpp (67) cv::plugin::impl::DynamicLib::libraryLoad load opencv_core_parallel_tbb455_64d.dll => FAILED
[ INFO:0@0.365] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\utils\plugin_loader.impl.hpp (67) cv::plugin::impl::DynamicLib::libraryLoad load G:\opencv--VS2022\opencv\build\x64\vc15\bin\opencv_core_parallel_openmp455_64d.dll => FAILED
[ INFO:0@0.366] global c:\build\master_winpack-build-win64-vc15\opencv\modules\core\src\utils\plugin_loader.impl.hpp (67) cv::plugin::impl::DynamicLib::libraryLoad load opencv_core_parallel_openmp455_64d.dll => FAILED
这是OpenCV加载并行计算的模块插件,你得确定你有这些插件才能加载成功。
如果没有,那么OpenCV就按顺序计算,仍然可以运行,就是运行速度比并行计算的慢些。
你编译的时候选了这些并行模块,但是你没有安装这些插件,导致找不到dll,不影响实际使用,有些需要这些并行的可能会慢一些