change the size of image of video

Dear Tadas,
Recently, I use the CLM-framework to extract facial features. The CLM is an important tool, which provide great convenience for our research. However, the size of image which generated by CLM is 112*112, I try to modify the size, althou can complie successfully, while use to extract image by frame fail. Could you please help to me tackle with the problem?

Best,
Lang