Projector/Camera Calibration – Augmented reality

Use veejay 1.4 to calibrate your camera against a projector or a monitor screen in order to calculate the position of a physical object.

Calibration

Press CTRL-s to bring up the setup screen:

As shown in the preview, the camera was mounted with an angle and doesnt capture the full projection area. We simply select the edges of the projection we see in the camera image, select forward transformation and press CTRL-s again to leave the setup.

Setup screen

After pressing CTRL-s, we return to our now calibrated camera image.
This image you can use to process it for motion detection. In order to have veejay pre process filters on your camera stream while playing a sample press CTRL-d