RK3588 C++ 多线程 实际运行解决OpenCV问题: 1. OpenCV 安装 sudo apt-get update sudo apt-get install libopencv-dev 2. 检查 OpenCV 安装路径 find / -name OpenCVConfig.cmake 3. 设置 OpenCV_DIR 环境变量 export OpenCV_DIR=/usr/lib/aarch64-linux-gnu/cmake/opencv4