sending bmp image to serial port using opencv

edit

hi there!! i m doing a small project on facial recognition using opencv and dev-c++ 4.9.9.2 in which the unknown face has to be sent to the sim900 module which in turn mms it to the admin's phone number. i have completed the facial recognition part but struck in transferring the bmp image produced to the serial port. does opencv have port communication?? plzz help me on this..........