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Update debs for Raspbian Buster
* Added pre-compiled debs for Raspbian Buster * Restructured project folders * Added C++ test * Updated README / build_information.txt accordingly TO DO: * complete python test with verson / cpu enabled features check
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‎.gitignore

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CMakeLists.txt.user
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.clang-format
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build/

‎OpenCV-4.1.0-armv7l-dev.deb

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‎OpenCV-4.1.0-armv7l-licenses.deb

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‎OpenCV-4.1.0-armv7l-main.deb

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‎OpenCV-4.1.0-armv7l-python.deb

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‎OpenCV-4.1.0-armv7l-scripts.deb

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‎README.md

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# OpenCV 4.1.0 for Raspberry Pi
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* A pre-compiled **OpenCV 4.1.0** for **Raspberry Pi**, optimized for deep learning (**NEON**, **VFPV3**, **TBB** turned on).
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* Bindings for **Python2** and **Python3** are also included.
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* Created with OpenCV cpack targets
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* Tested on **Raspberry Pi 3+** using **Raspbian Stretch (Debian 9)**
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# Faster OpenCV for Raspberry Pi
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Leverage all your CPUs power in OpenCV by using **TBB**, **Neon** and **VFPV3** libraries.
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# Prerequisites
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Before proceeding, install OpenCV library prerequisites.
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Since I've already compiled this on my own Raspberry Pi I made it available on GitHub.
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Save countless of compile time by just installing these debs. Enjoy!
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## What is this?
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* A pre-compiled **OpenCV 4.1.0** for **Raspberry Pi** optimized for deep learning / computer vision applications (**NEON**, **VFPV3**, **TBB** turned on).
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* Bindings for **Python 2** and **Python 3** are also included.
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* For detailed build informations click [here](build_information.txt).
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* Created with OpenCV cpack targets.
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* Tested on **Raspberry Pi 3** using **Raspbian Buster (Debian 10)** (for Raspbian Stretch click [here](https://github.com/dlime/Faster_OpenCV_4_Raspberry_Pi/releases/tag/stretch_410)).
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## How much faster?
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Performance tests have been made in this [great blog article](https://www.pyimagesearch.com/2017/10/09/optimizing-opencv-on-the-raspberry-pi/) which led to an approximate **30%** increase in speed and of over **48%** when applied strictly to DNN module.
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Another performance test is available [here](https://www.theimpossiblecode.com/blog/faster-opencv-smiles-tbb/) which also led to about **30%** increase in speed.
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## How to use it?
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Install OpenCV library prerequisites on your Raspberry Pi.
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```
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sudo apt-get update && sudo apt-get upgrade -y
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sudo apt-get install -y
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libjpeg-dev libpng-dev libtiff-dev \
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libavcodec-dev libavformat-dev libswscale-dev libv4l-dev \
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libjpeg-dev libpng-dev libtiff-dev libgtk-3-dev \
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libavcodec-extra libavformat-dev libswscale-dev libv4l-dev \
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libxvidcore-dev libx264-dev libjasper1 libjasper-dev \
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libgtk-3-dev \
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libatlas-base-dev gfortran \
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libeigen3-dev libtbb-dev
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libatlas-base-dev gfortran libeigen3-dev libtbb-dev
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```
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Install **numpy** based on your target Python version:
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sudo apt-get install -y python-dev python-numpy
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```
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# How to install OpenCV
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Download and run dpkg on all the .deb in the repository:
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### How to install?
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Clone the repo into your Raspberry Pi and install all debs:
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```
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git clone https://github.com/dlime/OpenCV_4_Raspberry_PI.git
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cd OpenCV_4_Raspberry_PI
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sudo dpkg -i OpenCV*
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git clone https://github.com/dlime/Faster_OpenCV_4_Raspberry_Pi.git
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cd Faster_OpenCV_4_Raspberry_Pi/debs
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sudo dpkg -i OpenCV*.deb
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sudo ldconfig
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```
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# How to test
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Go to test folder and launch the test.py file:
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### How to test?
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#### C++
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Test the installation by going to tests cpp test folder, build it and launch the executable:
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```
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cd OpenCV_4_Raspberry_PI/test
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sudo pip2 install imutils
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python2 test.py
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cd Faster_OpenCV_4_Raspberry_Pi/tests/cpp_opencv_test
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mkdir build && cd build
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cmake ..
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make -j`cat /proc/cpuinfo | grep -c 'processor'`
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./cpp_opencv_test
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```
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Or for Python 3:
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#### Python
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Test the installation by going to tests folder and launch the test.py file:
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```
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cd OpenCV_4_Raspberry_PI/test
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sudo pip3 install imutils
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python3 test.py
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cd Faster_OpenCV_4_Raspberry_Pi/tests/python_opencv_test
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python test.py
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```
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# How to uninstall
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You shouldn't see any error messages in console and an image with tetris blocks with contours drawed should appear.
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### How to uninstall?
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Run the following command in your Raspberry Pi terminal:
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```
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sudo apt purge opencv-*
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```

‎build_information.txt

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Version control (extra): unknown
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Platform:
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Timestamp: 2019-06-29T23:05:52Z
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Host: Linux 4.19.42-v7+ armv7l
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CMake: 3.7.2
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CMake generator: Unix Makefiles
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CMake build tool: /usr/bin/make
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Timestamp: 2019-07-02T18:18:19Z
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Host: Linux 4.19.50-v7+ armv7l
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CMake: 3.13.4
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CMake generator: Ninja
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CMake build tool: /usr/bin/ninja
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Configuration: Release
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CPU/HW features:
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C/C++:
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Built as dynamic libs?: YES
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C++ Compiler: /usr/bin/c++ (ver 6.3.0)
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C++ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG
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C++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
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C++ Compiler: /usr/bin/c++ (ver 8.3.0)
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C++ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG
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C++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
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C Compiler: /usr/bin/cc
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C flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG
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C flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
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C flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG
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C flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
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Linker flags (Release): -Wl,--gc-sections
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Linker flags (Debug): -Wl,--gc-sections
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ccache: YES
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Non-free algorithms: YES
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GUI:
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GTK+: YES (ver 3.22.11)
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GThread : YES (ver 2.50.3)
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GTK+: YES (ver 3.24.5)
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GThread : YES (ver 2.58.3)
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GtkGlExt: NO
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VTK support: NO
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Media I/O:
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ZLib: /usr/lib/arm-linux-gnueabihf/libz.so (ver 1.2.8)
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ZLib: /usr/lib/arm-linux-gnueabihf/libz.so (ver 1.2.11)
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JPEG: /usr/lib/arm-linux-gnueabihf/libjpeg.so (ver 62)
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WEBP: build (ver encoder: 0x020e)
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PNG: /usr/lib/arm-linux-gnueabihf/libpng.so (ver 1.6.28)
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TIFF: /usr/lib/arm-linux-gnueabihf/libtiff.so (ver 42 / 4.0.8)
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PNG: /usr/lib/arm-linux-gnueabihf/libpng.so (ver 1.6.36)
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TIFF: /usr/lib/arm-linux-gnueabihf/libtiff.so (ver 42 / 4.0.10)
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JPEG 2000: /usr/lib/arm-linux-gnueabihf/libjasper.so (ver 1.900.1)
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OpenEXR: build (ver 1.7.1)
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HDR: YES
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Video I/O:
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DC1394: NO
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FFMPEG: YES
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avcodec: YES (57.64.101)
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avformat: YES (57.56.101)
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avutil: YES (55.34.101)
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swscale: YES (4.2.100)
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avcodec: YES (58.35.100)
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avformat: YES (58.20.100)
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avutil: YES (56.22.100)
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swscale: YES (5.3.100)
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avresample: NO
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GStreamer: NO
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v4l/v4l2: YES (linux/videodev2.h)
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Parallel framework: TBB (ver 4.3 interface 8006)
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Parallel framework: TBB (ver 2018.0 interface 10006)
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Trace: YES (built-in)
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Other third-party libraries:
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Lapack: NO
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Eigen: YES (ver 3.3.2)
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Eigen: YES (ver 3.3.7)
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Custom HAL: YES (carotene (ver 0.0.1))
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Protobuf: build (3.5.1)
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Link libraries: Dynamic load
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Python 2:
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Interpreter: /usr/bin/python2.7 (ver 2.7.13)
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Libraries: /usr/lib/arm-linux-gnueabihf/libpython2.7.so (ver 2.7.13)
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numpy: /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.12.1)
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Interpreter: /usr/bin/python2.7 (ver 2.7.16)
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Libraries: /usr/lib/arm-linux-gnueabihf/libpython2.7.so (ver 2.7.16)
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numpy: /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.16.2)
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install path: lib/python2.7/dist-packages/cv2/python-2.7
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Python 3:
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Interpreter: /usr/bin/python3 (ver 3.5.3)
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Libraries: /usr/lib/arm-linux-gnueabihf/libpython3.5m.so (ver 3.5.3)
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numpy: /usr/lib/python3/dist-packages/numpy/core/include (ver 1.12.1)
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install path: lib/python3.5/dist-packages/cv2/python-3.5
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Interpreter: /usr/bin/python3 (ver 3.7.3)
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Libraries: /usr/lib/arm-linux-gnueabihf/libpython3.7m.so (ver 3.7.3)
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numpy: /usr/lib/python3/dist-packages/numpy/core/include (ver 1.16.2)
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install path: lib/python3.7/dist-packages/cv2/python-3.7
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Python (for build): /usr/bin/python2.7
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‎debs/OpenCV-4.1.0-armv7l-dev.deb

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‎OpenCV-4.1.0-armv7l-libs.deb renamed to ‎debs/OpenCV-4.1.0-armv7l-libs.deb

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