I'm trying to do some experiment with box recognition and tracking. I took the real box took pictures of each side. I have created cuboid target in the target manager. I have used real size of the box (in meters 0.26x0.4x0.18). When I try to upload images I get "Please provide an image with appropriate aspect ratio." error for each side.
1. Why do I get "Please provide an image with appropriate aspect ratio."? I use pictures taken from real box (of course I cut exactly box side from picture from camera) and I use real measures.
2. How to make it work? Looks like the engine is too picky.