A Gesture recognition project

My project should save alphabets and then when a gesture is performed front of camera it should compare with saved image and give the corresponding alphabet in text.I am using opencv ,visual studio n qt.I have the project code,the images get saved but when trying to compare i get a debug error(R6010 has called abort error).That is a small errror which can be solved and i need the text output to be converted to [login to view URL] good in image processing and very good in using visual studio with c language,qt and opencv please respond...Need help [login to view URL] it to be completed in 8 hours...