My changes:
Commandline options: -DOPENCV_EXTRA_MODULES_PATH:PATH="C:/Program Files/opencv_contrib-4.4.0/modules/" ^ -DPYTHON3_PACKAGES_PATH:PATH="C:/Users/corsair/Anaconda3/Lib/site-packages" ^ -DCUDA_FAST_MATH:BOOL="1" -DENABLE_FAST_MATH:BOOL="1" ^ -DPYTHON3_INCLUDE_DIR:PATH="C:/Users/corsair/Anaconda3/include" ^ -DBUILD_TESTS:BOOL="0" -DCUDNN_LIBRARY:FILEPATH="C:/Program Files/cuda" ^ -DPYTHON3_EXECUTABLE:FILEPATH="C:/Users/corsair/Anaconda3/python.exe" ^ -DOPENCV_PYTHON3_VERSION:BOOL="1" ^ -DENABLE_PRECOMPILED_HEADERS:BOOL="0" ^ -DCUDNN_INCLUDE_DIR:PATH="C:/Program Files/cuda/include" ^ -DWITH_TBB:BOOL="1" ^ -DWITH_PROTOBUF:BOOL="1" ^ -DWITH_CUDA:BOOL="1" ^ -DOPENCV_ENABLE_NONFREE:BOOL="1" ^ -DPYTHON3_NUMPY_INCLUDE_DIRS:PATH="C:/Users/corsair/Anaconda3/Lib/site-packages/numpy/core/include" ^ -DEIGEN_INCLUDE_PATH:PATH="C:/Program Files/Eigen3" ^ -DCUDA_ARCH_BIN:STRING="6.0;6.1;" ^ -DOPENCV_DNN_CUDA:BOOL="1" ^ -DEigen3_DIR:PATH="Eigen3_DIR-NOTFOUND" ^ -DBUILD_opencv_python_tests:BOOL="0" ^ -DCUDA_SDK_ROOT_DIR:PATH="CUDA_SDK_ROOT_DIR-NOTFOUND" ^ -DBUILD_PERF_TESTS:BOOL="0" ^ -DPYTHON3_LIBRARY:FILEPATH="C:/Users/corsair/Anaconda3/libs" ^ -DCUDA_nvToolsExt_LIBRARY:FILEPATH="C:/Program Files/NVIDIA Corporation/NvToolsExt/lib/x64/nvToolsExt64_1.lib" -DBUILD_TBB:BOOL="0"
Cache file: OPENCV_EXTRA_MODULES_PATH:PATH=C:/Program Files/opencv_contrib-4.4.0/modules/ PYTHON3_PACKAGES_PATH:PATH=C:/Users/corsair/Anaconda3/Lib/site-packages CUDA_FAST_MATH:BOOL=1 ENABLE_FAST_MATH:BOOL=1 PYTHON3_INCLUDE_DIR:PATH=C:/Users/corsair/Anaconda3/include BUILD_TESTS:BOOL=0 CUDNN_LIBRARY:FILEPATH=C:/Program Files/cuda PYTHON3_EXECUTABLE:FILEPATH=C:/Users/corsair/Anaconda3/python.exe OPENCV_PYTHON3_VERSION:BOOL=1 ENABLE_PRECOMPILED_HEADERS:BOOL=0 CUDNN_INCLUDE_DIR:PATH=C:/Program Files/cuda/include WITH_TBB:BOOL=1 WITH_PROTOBUF:BOOL=1 WITH_CUDA:BOOL=1 OPENCV_ENABLE_NONFREE:BOOL=1 PYTHON3_NUMPY_INCLUDE_DIRS:PATH=C:/Users/corsair/Anaconda3/Lib/site-packages/numpy/core/include EIGEN_INCLUDE_PATH:PATH=C:/Program Files/Eigen3 CUDA_ARCH_BIN:STRING=6.0;6.1; OPENCV_DNN_CUDA:BOOL=1 Eigen3_DIR:PATH=Eigen3_DIR-NOTFOUND BUILD_opencv_python_tests:BOOL=0 CUDA_SDK_ROOT_DIR:PATH=CUDA_SDK_ROOT_DIR-NOTFOUND BUILD_PERF_TESTS:BOOL=0 PYTHON3_LIBRARY:FILEPATH=C:/Users/corsair/Anaconda3/libs CUDA_nvToolsExt_LIBRARY:FILEPATH=C:/Program Files/NVIDIA Corporation/NvToolsExt/lib/x64/nvToolsExt64_1.lib BUILD_TBB:BOOL=0