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Jackson,
Melody Moore
Jackson,
Melody Moore
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ItemRecognizing Sign Language from Brain Imaging(Georgia Institute of Technology, 2009) Mehta, Nishant A. ; Starner, Thad ; Jackson, Melody Moore ; Babalola, Karolyn O. ; James, George AndrewThe problem of classifying complex motor activities from brain imaging is relatively new territory within the fields of neuroscience and brain-computer interfaces. We report positive sign language classification results using a tournament of pairwise support vector machine classifiers for a set of 6 executed signs and also for a set of 6 imagined signs. For a set of 3 contrasted pairs of signs, executed sign and imagined sign classification accuracies were highly significant at 96.7% and 73.3% respectively. Multiclass classification results also were highly significant at 66.7% for executed sign and 50% for imagined sign. These results lay the groundwork for a brain-computer interface based on imagined sign language, with the potential to enable communication in the nearly 200,000 individuals that develop progressive muscular diseases each year.