The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 10, 2020

Filed:

Jun. 06, 2017
Applicant:

Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;

Inventors:

Marie-Caroline Schaeffer, Grenoble, FR;

Tetiana Aksenova, Saint Egreve, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06N 3/04 (2006.01); A61F 2/72 (2006.01); G06F 3/01 (2006.01); G06T 7/277 (2017.01); G06K 9/62 (2006.01); G06N 3/063 (2006.01);
U.S. Cl.
CPC ...
G06N 3/0427 (2013.01); A61F 2/72 (2013.01); G06F 3/015 (2013.01); G06K 9/6297 (2013.01); G06N 3/063 (2013.01); G06T 7/277 (2017.01);
Abstract

A method of continuous decoding of motion for a direct neural interface. The method of decoding estimates a motion variable from an observation variable obtained by a time-frequency transformation of the neural signals. The observation variable is modelled using a HMM model whose hidden states include at least an active state and an idle state. The motion variable is estimated using a Markov mixture of experts where each expert is associated with a state of the model. For a sequence of observation vectors, the probability that the model is in a given state is estimated, and from this a weighting coefficient is deduced for the prediction generated by the expert associated with this state. The motion variable is then estimated by combination of the estimates of the different experts with these weighting coefficients.


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Schaeffer, Marie-Caroline. (2020). Continuous decoding direct neural interface which uses a markov mixture of experts (U.S. Patent No. 10832122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10832122

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