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- W1992161737 abstract "Electromyographic (EMG) signal decomposition is the process of resolving an EMG signal into its constituent motor unit potential trains (MUPTs). In this work, the possibility of improving the decomposing results using two supervised feature extraction methods, i.e., Fisher discriminant analysis (FDA) and supervised principal component analysis (SPCA), is explored. Using the MUP labels provided by a decomposition-based quantitative EMG system as a training data for FDA and SPCA, the MUPs are transformed into a new feature space such that the MUPs of a single MU become as close as possible to each other while those created by different MUs become as far as possible. The MUPs are then reclassified using a certainty-based classification algorithm. Evaluation results using 10 simulated EMG signals comprised of 3–11 MUPTs demonstrate that FDA and SPCA on average improve the decomposition accuracy by 6%. The improvement for the most difficult-to-decompose signal is about 12%, which shows the proposed approach is most beneficial in the decomposition of more complex signals." @default.
- W1992161737 created "2016-06-24" @default.
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- W1992161737 date "2012-08-01" @default.
- W1992161737 modified "2023-10-06" @default.
- W1992161737 title "Augmenting the decomposition of EMG signals using supervised feature extraction techniques" @default.
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- W1992161737 doi "https://doi.org/10.1109/embc.2012.6346500" @default.
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