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Introduction

Introduction. A tongue-operated assistive technology that enables individuals with severe physical impairments to control their environments. Tongue Drive System: Hardware. 3. 4. 1. 1. 2. Tongue Drive System: Commands. Right-Side Commands. Left-Side Commands. TDS Waveforms

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Introduction

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  1. Introduction A tongue-operated assistive technology that enables individuals with severe physical impairments to control their environments.

  2. Tongue Drive System: Hardware 3 4 1 1 2

  3. Tongue Drive System: Commands Right-Side Commands Left-Side Commands TDS Waveforms Samples of each Command TDS Discrete Commands Positions

  4. Terminology • Five Bayesian: • Linear • Dia. Linear • Quadratic • Dia. Quad. • Mahalanobis • Four KNNs: • Euclidean • City Block • Cosine • Correlation • Classifier Combinations • Stacking • Majority Voting (Nine Classifiers) • Assessment • Correctness • Rejection Error • Misclassification Error

  5. Previous Work: mSSP Algorithm Resting Left Up Left Click Resting Right Down Right Click

  6. Methodology • Human Trials Dataset: • Able-bodied subjects from two Universities (4-NUB & 4-GTB) • 8 participants x 5 sessions = 40 experiments ITR Calibration Training Testing

  7. Results and Analysis:First Stage: Left-Side vs. Right-Side Classification NUB = Northwestern University GTB = Georgia Tech 20.1% 2.02%

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