1 | initial version |
Yes, the haarwavelet structure are actualy simple 2D filters. Filtering is implemented in OpenCV. Just look for the correct filter structure to get the desired result.
I only know the C++ - code but you can use Java bindings to reach the same result.
http://docs.opencv.org/modules/imgproc/doc/filtering.html?highlight=filter%202d#cv.Filter2D