I've ordered some IR LEDs with a very wide visibility angle: 120 degree visibility, 50 degrees from center to the half intensity. That, and the output energy is about 40% greater than the IR LED purchased from radioshack.
Paired with a new strategy of mounting the LEDs internally (rather than an outside looking in mentality) this should give me some decent distances.
I'm shooting for 10' of non-flickering visibility. After searching on the web all over for some increased wiimote blob tracking sensitivity settings, I'm left to two possibilities. Write a brute force sensitivity settings finder, which if it works could benefit the entire community (but would take a very long time as there are a ton of possible settings), or over-saturate my ping pong balls with IR light. I'm planning for the worst (over saturation) and hoping for the best. While I wait for the IR LEDs to arrive, I am working on the 3d tracking layout as well as trying to determine the best auto-calibration setup.
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