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(http://)(/upfiles/1467564860315774.jpg)(/upfiles/14675648549169814.jpg)Hi guys, I'm fairly new to opencv. Currently I'm having a project to mapping 2 form of document ( the template and the written one ) to detect the handwriting. I scanned 2 document using perspective transform and get the result like below. Question is : how do i detect those differences, im just asking for the approach, i would appreciate for any helps