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Hello everyone,

I'm going to try to explain my situation as clearly as possible. I'm not looking for solutions, but for ideas that can give me some direction as what to do.

What I have seen on the web is that AR is usually done with a webcam feed on a screen or with a head mounted display. In this case, we want to overlay simple objects (I'll call them augmentations) on top of markers using a projector.

The idea is two have two types of augmentations: images and 3D objects. The 3D objects will of course require 3D glasses to fully appreciate it.

I already have an application that projects only the augmentations as detected by a camera but I have a problem with aligning the projection to the real world. I spoke with some friends who have done more visualization experiments than what I have done, and they told me that some systems, as Playmotion! have a calibration routine that aligns the projected "augmentations" with the real world, so they augmentations appear correctly.

This is one possible approach, which I am still trying to wrap my head around, but I wanted to know if any ARToolkit expert may share some wisdom/knowledge if this is a good idea or if there is another way to achieve this.

Thanks.