catalogue
1. Error message:
2. Analysis
3. Solution
1. Error message:
D:\InstallSoftware\opencv\OpenCV-MinGW-Build-OpenCV-4.5.2-x64\x64\mingw\bin\libopencv_ calib3d452.dll:-1: error: file not recognized: File format not recognized
2. Analysis
This is because the opencv compiled file version is different from the QT project version. You should choose the correct version of the toolkit.
3. Solution
For example, my opencv compilation file is opencv build_ 64 bit, then select MinGW 64 bit for the project.
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