hello ^^..<br><br>i wonder if there is a vtk class if i want to get the point correspondence between two images.<br>actually, i want to do 2d medical image registration, but first, i think i have to get the point correspondence between the two images that i want to register. if i could get the point correspondence(coordinat), then i can find the transformation function.<br><br><br>thanx a lot =p<br><p> 
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