A DIY Raspberry Pi-Based Mocap System to Rival Hollywood
Mocap (motion capture) has revolutionized the film and video game industries. But despite being in widespread use for a few decades now, it is still wildly expensive and only accessible to studios with serious budgets. That may change soon though, because Dennis has built a Raspberry Pi-based DIY mocap system to rival what’s in Hollywood.
Mocap basics are easy enough to understand: multiple cameras around the room track markers placed on actors or objects. When at least three cameras can see a marker, a computer can calculate that marker’s position in 3D space as it moves. Those then become reference points for rigging digital “puppets” in virtual space.
But on a technical level, it is much, much more complex than that. The cameras need to record at a high framerate with minimal motion blur and they need to stay in sync for the position calculations to be accurate. And...
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