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Just use for VIM3, not in VIM3L.
Before installing the OpenCV package, you need to install the dependencies.
sudo apt update sudo apt install python3 python3-dev python3-numpy cmake libgtk2.0-dev
Get the OpenCV package and install it.
wget https://dl.khadas.com/development/opencv-4.7-2.deb sudo dpkg -i opencv-4.7-2.deb
Get the example repository from Github.
cd ~ git clone https://github.com/khadas/OpenCV_NPU_Demo.git
Compile with cmake tool.
cd ~/OpenCV_NPU_Demo/cpp_demo mkdir build && cd build cmake .. make