Area Correlation Library performance test (arecorlib - p2)

research (correct, but but not optimized yet) code for area correlation in image processing, implemented on C++(with Qt4).
- int32 and double types used
- Qt4 types for images used

AMD K10 (2.8GHz) - 810-920ms
ARM Cortex -A8(550MHz) - 8919 - 15850ms