Ping pong balls replaced my expensive camera rig for eye tracking tests

I used to drop $200 on motion capture markers for verifying deep fake blink patterns, but after a 2022 shoot in Austin where they kept falling off, I switched to painted ping pong balls on wire and they track just as clean for half the cost, has anyone else tried DIY substitutes for fake detection hardware?

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shane_bell1mo ago

Ping pong balls are fine for rough tracking but they flex and wobble, so your data gets a little noisy in ways a rigid marker won't. That margin of error can matter a lot when you're trying to catch tiny blink differences in a deep fake.

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