Carder wrote:
Can you please briefly explain what you're doing with your board to calibrate, and what's the best technique in version 2 of Ipi DMC?
I'd really appreciate your knowledge. Many thanks
Hi,
Rotating the board gives iPi Studio data it can average out between the two cameras to figure out their positions--this is necessary whether you're using 90
or 180 configurations. The key thing is to not over-rotate the board so that it becomes untrackable by either camera, and be careful not to occlude the board with your body--the data is only useful if both cameras can see the board and follow its movement.
It's also important that the board is actually flat and not curved or warped because I believe the software assumes the IR beams are hitting a flat plane. Some users will use a thin sheet of plywood for its rigidity; I prefer 1/4 foam core because it's fairly rigid and but also very lightweight. The color of the plane is not too important but avoid using a board with bright white or matte black or very shiny surfaces, as this can potentially misdirect the IR response.
The environment is also important. As described above, the IR the beams can be misdirected by certain surface properties. Make sure the room does not have a lot of glassy or shiny surfaces, solid black surfaces, or intensely bright lights. For example, uncovered windows during bright sunny day. large shiny refrigerator doors, or open doorways in the background may possibly pose a problem.
You can judge the quality of your environment by studying the results. Try to set things up to minimize the amount of yellow dots which indicate the regions in your scene.
Note: I should mention that I haven't done much with 2.0 yet because I've been way too busy with work lately, but I
think the above 1.0 info is still valid for 2.0.
Hope this helps.
G.
