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Motion Graphs - Path Fitting

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Published on Sep 4, 2008

Lucas Kovar, Michael Gleicher , and Fred Pighin

In this work we focus on the problem of directing locomotion down user-specified paths. That is, the user draws a curve on the ground and we extract from the motion graph a motion that travels along this path.

First we show a simple example from a motion graph built out of a single, 12-second "sneaking" motion, along with the reflection of that motion. Even with such a small dataset, we can create nontrivial new motions.
Second is an example from a larger walking dataset. The walking motion itself is about 54 seconds long, and it took about 57 seconds to generate. In general, in our experiments it took about as long to compute a motion as it took to play it.
Next we fit to the same path, but this time using a dataset involving martial arts motions. Note that our methods work for motions that are not obviously locomotion. Finally, we show fits to another complicated path.

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