1€ Filter: A Simple Speed-based Low-pass Filter for Noisy Input in Interactive Systems

Géry Casiez 1, 2 Nicolas Roussel 1 Daniel Vogel 3
1 MINT2 - Méthodes et outils pour l'Interaction à gestes
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Abstract : The 1€ filter ("one Euro filter") is a simple algorithm to filter noisy signals for high precision and responsiveness. It uses a first order low-pass filter with an adaptive cutoff frequency: at low speeds, a low cutoff stabilizes the signal by reducing jitter, but as speed increases, the cutoff is increased to reduce lag. The algorithm is easy to implement, uses very few resources, and with two easily understood parameters, it is easy to tune. In a comparison with other filters, the 1€ filter has less lag using a reference amount of jitter reduction.
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https://hal.inria.fr/hal-00670496
Contributor : Géry Casiez <>
Submitted on : Friday, February 17, 2012 - 10:49:57 AM
Last modification on : Wednesday, October 9, 2019 - 8:06:02 AM
Long-term archiving on : Wednesday, December 14, 2016 - 7:16:33 AM

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Géry Casiez, Nicolas Roussel, Daniel Vogel. 1€ Filter: A Simple Speed-based Low-pass Filter for Noisy Input in Interactive Systems. CHI'12, the 30th Conference on Human Factors in Computing Systems, May 2012, Austin, United States. pp.2527-2530, ⟨10.1145/2207676.2208639⟩. ⟨hal-00670496⟩

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