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OpenCV + CUDA installation on Windows

We have trouble installing opencv with cuda in Windows environment. Need help

Windows : 7 Cmake : 3.14.5 Cuda Toolkit Version: 10.1 or 9.2 Visual Studio: 2017 community or 2015 community OpenCv: 3.4.5, 4.0.0

We had tried multiple combination of opencv installation for CUDA, with different CUDA toolkits, different Visual studio versions, diff openCV Versions, but all the time, we get the error of "procedure entry point not found in the opencv_world...lib" error. We have followed many forums and tried to replicate but no luck.

With CUDA is enabled in all the compilations, A simple program to show device count (getCudaEnabledDeviceCount()) always returns 0, meaning CUDA is not built in opencv. It is really frustating. we have tried with and without opencv_world but no success for the past one week.

We hope this forum can point out our mistake and help us to resolve the issue.

OpenCV + CUDA installation on Windows

We have trouble installing opencv with cuda in Windows environment. Need help

Windows : 7 Cmake : 3.14.5 Cuda Toolkit Version: 10.1 or 9.2 Visual Studio: 2017 community or 2015 community OpenCv: 3.4.5, 4.0.0

We had tried multiple combination of opencv installation for CUDA, with different CUDA toolkits, different Visual studio versions, diff openCV Versions, but all the time, we get the error of "procedure entry point not found in the opencv_world...lib" error. We have followed many forums and tried to replicate but no luck.

With CUDA is enabled in all the compilations, A simple program to show device count (getCudaEnabledDeviceCount()) always returns 0, meaning CUDA is not built in opencv. It is really frustating. we have tried with and without opencv_world but no success for the past one week.

We hope this forum can point out our mistake and help us to resolve the issue.issue. EDIT: Error jpg attached for quick reference C:\fakepath\CUDA Compilation error.jpg