Installing OpenCV w/ GPU in Windows - Revision history

Bpopp at 13:22, 21 September 2021

2021-09-21T13:22:11Z

← Older revision		Revision as of 13:22, 21 September 2021
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	# Create a DEV folder at c:\dev\		# Create a DEV folder at c:\dev\
	# Install Cuda from [https://developer.nvidia.com/cuda-downloads here]		# Install prereqs
	# Install Visual Studio from [https://visualstudio.microsoft.com/downloads/ here]		## Install Cuda from [https://developer.nvidia.com/cuda-downloads here]
	# Install cmake from [https://cmake.org/download/ here]		## Install Visual Studio from [https://visualstudio.microsoft.com/downloads/ here]
	# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv		## Install cmake from [https://cmake.org/download/ here]
	# Download OpenCV Contrib from [https://github.com/opencv/opencv_contrib/releases here] (note that versions should match) and extract to dev folder as opencv-contrib		## Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv
			## Download OpenCV Contrib from [https://github.com/opencv/opencv_contrib/releases here] (note that versions should match) and extract to dev folder as opencv-contrib
	# Run cmake-gui and point the sources folder to c:\dev\opencv\sources		# Run cmake-gui and point the sources folder to c:\dev\opencv\sources
	# Set the build directory to c:\dev\opencv\build		# Set the build directory to c:\dev\opencv\build

Bpopp at 13:18, 21 September 2021

2021-09-21T13:18:44Z

← Older revision		Revision as of 13:18, 21 September 2021
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	# Click Configure and then Generate. When prompted, select the correct version of Visual Studio		# Click Configure and then Generate. When prompted, select the correct version of Visual Studio
	# From the build directory, open the INSTALL.vcxproj project in Visual Studio		# From the build directory, open the INSTALL.vcxproj project in Visual Studio
			# From the Build menu, choose BUILD_ALL (will take an hour or two)
			# From the Build menu, choose INSTALL (quick)

Bpopp at 13:17, 21 September 2021

2021-09-21T13:17:34Z

← Older revision		Revision as of 13:17, 21 September 2021
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	# Install Cuda from [https://developer.nvidia.com/cuda-downloads here]		# Install Cuda from [https://developer.nvidia.com/cuda-downloads here]
	# Install Visual Studio from [https://visualstudio.microsoft.com/downloads/ here]		# Install Visual Studio from [https://visualstudio.microsoft.com/downloads/ here]
	# Install cmake		# Install cmake from [https://cmake.org/download/ here]
	# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv		# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv
	# Download OpenCV Contrib from [https://github.com/opencv/opencv_contrib/releases here] (note that versions should match) and extract to dev folder as opencv-contrib		# Download OpenCV Contrib from [https://github.com/opencv/opencv_contrib/releases here] (note that versions should match) and extract to dev folder as opencv-contrib

Bpopp at 13:17, 21 September 2021

2021-09-21T13:17:03Z

← Older revision		Revision as of 13:17, 21 September 2021
Line 3:		Line 3:
	# Create a DEV folder at c:\dev\		# Create a DEV folder at c:\dev\
	# Install Cuda from [https://developer.nvidia.com/cuda-downloads here]		# Install Cuda from [https://developer.nvidia.com/cuda-downloads here]
	# Install Visual Studio		# Install Visual Studio from [https://visualstudio.microsoft.com/downloads/ here]
	# Install cmake		# Install cmake
	# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv		# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv

Bpopp at 13:16, 21 September 2021

2021-09-21T13:16:39Z

← Older revision		Revision as of 13:16, 21 September 2021
Line 2:		Line 2:

	# Create a DEV folder at c:\dev\		# Create a DEV folder at c:\dev\
			# Install Cuda from [https://developer.nvidia.com/cuda-downloads here]
			# Install Visual Studio
	# Install cmake		# Install cmake
	# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv		# Download OpenCV from [https://opencv.org/releases/ here] and extract to dev folder as opencv
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	#* INSTALL_C_EXAMPLES=OFF \		#* INSTALL_C_EXAMPLES=OFF \
	#* BUILD_EXAMPLES=OFF		#* BUILD_EXAMPLES=OFF
			# Click Configure and then Generate. When prompted, select the correct version of Visual Studio
			# From the build directory, open the INSTALL.vcxproj project in Visual Studio

Bpopp at 13:12, 21 September 2021

2021-09-21T13:12:00Z

← Older revision		Revision as of 13:12, 21 September 2021
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	# Set the build directory to c:\dev\opencv\build		# Set the build directory to c:\dev\opencv\build
	# Adjust the following flags:		# Adjust the following flags:
	~~<pre> cmake -D~~ CMAKE_BUILD_TYPE=RELEASE \		#* CMAKE_BUILD_TYPE=RELEASE \
	-D CMAKE_INSTALL_PREFIX=/usr/local \		#* CMAKE_INSTALL_PREFIX=/usr/local \
	-D WITH_TBB=ON \		#* WITH_TBB=ON \
	-D ENABLE_FAST_MATH=1 \		#* ENABLE_FAST_MATH=1 \
	-D CUDA_FAST_MATH=1 \		#* CUDA_FAST_MATH=1 \
	-D WITH_CUBLAS=1 \		#* WITH_CUBLAS=1 \
	-D WITH_CUDA=ON \		#* WITH_CUDA=ON \
	-D BUILD_opencv_cudacodec=OFF \		#* BUILD_opencv_cudacodec=OFF \
	-D WITH_CUDNN=ON \		#* WITH_CUDNN=ON \
	-D OPENCV_DNN_CUDA=ON \		#* OPENCV_DNN_CUDA=ON \
	-D CUDA_ARCH_BIN=7.5 \		#* CUDA_ARCH_BIN=7.5 \
	-D WITH_V4L=ON \		#* WITH_V4L=ON \
	-D WITH_QT=OFF \		#* WITH_QT=OFF \
	-D WITH_OPENGL=ON \		#* WITH_OPENGL=ON \
	-D WITH_GSTREAMER=ON \		#* WITH_GSTREAMER=ON \
	-D OPENCV_GENERATE_PKGCONFIG=ON \		#* OPENCV_GENERATE_PKGCONFIG=ON \
	-D OPENCV_PC_FILE_NAME=opencv.pc \		#* OPENCV_PC_FILE_NAME=opencv.pc \
	-D OPENCV_ENABLE_NONFREE=ON \		#* OPENCV_ENABLE_NONFREE=ON \
	-D OPENCV_PYTHON3_INSTALL_PATH=~/.virtualenvs/cv/lib/python3.8/site-packages \		#* OPENCV_PYTHON3_INSTALL_PATH=~/.virtualenvs/cv/lib/python3.8/site-packages \
	-D PYTHON_EXECUTABLE=~/.virtualenvs/cv/bin/python \		#* PYTHON_EXECUTABLE=~/.virtualenvs/cv/bin/python \
	-D OPENCV_EXTRA_MODULES_PATH=~/Downloads/opencv_contrib-4.5.2/modules \		#* OPENCV_EXTRA_MODULES_PATH=~/Downloads/opencv_contrib-4.5.2/modules \
	-D INSTALL_PYTHON_EXAMPLES=OFF \		#* INSTALL_PYTHON_EXAMPLES=OFF \
	-D INSTALL_C_EXAMPLES=OFF \		#* INSTALL_C_EXAMPLES=OFF \
	-D BUILD_EXAMPLES=OFF ~~..</pre>~~		#* BUILD_EXAMPLES=OFF

Bpopp at 13:10, 21 September 2021

2021-09-21T13:10:01Z

@@ Line 1: / Line 1: @@
 The OpenCV installing via pip does not include GPU support and will significantly reduce performance. This decreases FPS from around 30FPS to under 2FPS in darknet. To enable the GPU, you must compile opencv with CUDA support.
-# Download OpenCV from [https://opencv.org/releases/ here]
+# Create a DEV folder at c:\dev\
-# Download OpenCV Contrib from [https://github.com/opencv/opencv_contrib/releases here] (note that versions should match)
+# Install cmake

Bpopp: Created page with "The OpenCV installing via pip does not include GPU support and will significantly reduce performance. This decreases FPS from around 30FPS to under 2FPS in darknet. To enable ..."

2021-09-21T13:04:39Z

Created page with "The OpenCV installing via pip does not include GPU support and will significantly reduce performance. This decreases FPS from around 30FPS to under 2FPS in darknet. To enable ..."

New page

The OpenCV installing via pip does not include GPU support and will significantly reduce performance. This decreases FPS from around 30FPS to under 2FPS in darknet. To enable the GPU, you must compile opencv with CUDA support.

# Download OpenCV from [https://opencv.org/releases/ here]
# Download OpenCV Contrib from [https://github.com/opencv/opencv_contrib/releases here] (note that versions should match)