TY - GEN
T1 - Development of a start-stop signal for a directional BMI
AU - Olson, Byron
AU - Hu, Jing
AU - Si, Jennie
AU - He, Jiping
PY - 2006/12/22
Y1 - 2006/12/22
N2 - While BMI systems abound, little care has been exercised over practical considerations in the day to day use of such systems. This paper proposes to learn a Start-Stop switch to augment a directional BMI. Taken together, the hope is that a BMI could be constructed that would be able to signal the appropriate directional intent when called upon and be virtually silent when not needed. Using data from rats utilizing a simple directional BMI, an attempt is made to test several possible methods for integrating a Start-Stop decision. Three methods, a 3-class SVM, directional classifier with probabilistic output, and a directional classifier with Start-Stop modulated probabilistic output are constructed and compared. Results show that the directional classifier with Start-Stop performs well with a significant reduction in signaling outside the task period.
AB - While BMI systems abound, little care has been exercised over practical considerations in the day to day use of such systems. This paper proposes to learn a Start-Stop switch to augment a directional BMI. Taken together, the hope is that a BMI could be constructed that would be able to signal the appropriate directional intent when called upon and be virtually silent when not needed. Using data from rats utilizing a simple directional BMI, an attempt is made to test several possible methods for integrating a Start-Stop decision. Three methods, a 3-class SVM, directional classifier with probabilistic output, and a directional classifier with Start-Stop modulated probabilistic output are constructed and compared. Results show that the directional classifier with Start-Stop performs well with a significant reduction in signaling outside the task period.
KW - Brain machine interface
KW - Brain vehicle interface
KW - Support vector machines
UR - http://www.scopus.com/inward/record.url?scp=33845587926&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33845587926&partnerID=8YFLogxK
U2 - 10.1109/BIOROB.2006.1639138
DO - 10.1109/BIOROB.2006.1639138
M3 - Conference contribution
AN - SCOPUS:33845587926
SN - 1424400406
SN - 9781424400409
T3 - Proceedings of the First IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, 2006, BioRob 2006
SP - 502
EP - 506
BT - Proceedings of the First IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, 2006, BioRob 2006
T2 - 1st IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, 2006, BioRob 2006
Y2 - 20 February 2006 through 22 February 2006
ER -