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问题描述:

pytorch代码调试过程出现：

QObject::moveToThread: Current thread (0x1186a80) is not the object’s thread (0x272b130).
Cannot move to target thread (0x1186a80)

qt.qpa.plugin: Could not load the Qt platform plugin “xcb” in “/home/lzm/miniconda3/envs/torch1.0/lib/python3.6/site-packages/cv2/qt/plugins” even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: xcb, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl.
解决方法:

在.py文件前添加如下内容：（指定到torch1.0中qt的库文件路径）
注意改称自己的路径

envpath = '/home/lzm/miniconda3/envs/torch1.0/lib/python3.6/site-packages/cv2/qt/plugins/platforms'
os.environ['QT_QPA_PLATFORM_PLUGIN_PATH'] = envpath

即将qt相关库libqxcb.so添加到环境变量中。
即可解决！

本文标签： 解决方法QTloadPlatformxcb

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