When opencv with c++ is used, it may happen this runtime error problem when feeding some container (eg:vector) to the opencv built-in function. So it is good to use Mat datatype to save the output received by the opencv built-in function and then transfer them to whatever datatype you need.
Fix for Debug Assertion Failed! Expression: __acrt_first_block == header
当使用C++调用OpenCV内置函数并传递容器（如vector）时，可能会遇到运行时错误。建议使用Mat数据类型来保存从OpenCV内置函数接收的输出，然后再转换为所需的其他数据类型。
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