I am trying to do some image matching using OpenCV and am using the cvMatchTemplate function.
I took a sample image and then cut part of it out as a template and the
While I would have expected a better score, that seems reasonable since correlation coefficients (non normalized) have a range of -1 to +1.
You could try some of the other methods such as CV_TM_CCOEFF, CV_TM_SQDIFF and CV_TM_CCORR vs. their normalized versions to compare.