Uploaded May 2014 | Updated September 2026, 2 hours ago

---

We present a probabilistic touch filtering approach that uses the temporal evolution of touch contacts to reject palms. Our system improves upon previous approaches, reducing accidental palm inputs to 0.016 per pen stroke, while correctly passing 98% of stylus inputs.

Presented at ACM CHI 2014.

Video overview: youtube.com/watch?v=uKJYT0eorRU

Julia Schwarz Homepage: juliaschwarz.net/research