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2018-04-16 00:36:17 -0600 answered a question error LNK2019: unresolved external symbol "class cv::Mat __cdecl result(void)"

The main reason of error 2019 for opencv project is because erroring in linking the lib files. Several reasons may: 1. p

2015-02-07 03:04:58 -0600 answered a question problem with reading image to Mat

I met the same problem, finally I found my program should use x86 dll and lib files instead of x64. Hope it can help others.