OpenCv开发中所遇到的问题备忘

1.qt库冲突的问题：

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You might be loading two sets of Qt binaries into the same process. Check that all plugins are compiled against the right Qt binaries. Export DYLD_PRINT_LIBRARIES=1 and check that only one set of binaries are being loaded.
QObject::moveToThread: Current thread (0x7ff56d74feb0) is not the object's thread (0x7ff570dfec60).
Cannot move to target thread (0x7ff56d74feb0)

运行conda环境下opencv时遇到的，查了一下大概是需要卸载了opencv-python后再安装一下opencv-python-headless的版本

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pip uninstall opencv-python
pip install opencv-python-headless

安装时长不够就用：

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pip install --default-timeout=50000  opencv-python-headless

参考： https://www.pythonheidong.com/blog/article/410902/