I am just using some dlls in my program, they are listed as:
OPENCV_CORE242D.DLL
OPENCV_IMPROC242D.DLL
VL.DLL
and they all ask for a dll called "MSVCP90D.dll", which I have downloaded and put it into 2 directories: C:\Windows\System32 and C:\Windows\SysWOW64 (because I am using a 64-bit machine), as guided.
Now I am using a small gadget called "Dependency Walker" and checked the dependency, it says something like this: