Im working on an application where I have to perform OCR on images, but the ROI move within the image. I know how to set a coordinate system for dimensional Image Processing (Find Edges, Fins Circular Edge, etc.). However the READ OCR.vi does not have a Coordinate System input. So how do I make my ROIs move with respect to a pattern that is on the image? Do I have to do this changing of the coordinates manually???? The dimensional processing vis, have the coordinate system inputs which make it easy, but doing it programatically can be a pain!!! Can someone help me???
The OCR Read Text.vi has an input "ROI Descriptor". You can get the coordinates of your reference pattern, then use the bundle to cluster to connect it to input on "ROI Descriptor". I hope this helps.