Abstract | ||
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Steady State Visual Evoked Potentials (SSVEPs) have been used to quantify attention-related neural activity to visual targets. This study investigates how empirical mode decomposition (EMD) can improve detection accuracy and rate of SSVEPs. First, the scalp-recorded electroencephalogram (EEG) signals are decomposed into intrinsic mode functions (IMFs) by EMD. Then, IMF components accounting for SSVEPs are selected for target frequency detection. Finally, target frequency is identified by two methods: Gabor transform and Canonical Correlation Analysis (CCA). This study quantitatively explores the impact of EMD on the target frequency detection. Empirical results show that the EMD improves their recognition accuracy when Gabor transform is used, even in a shorter Gaussian window, but has little effects on the performance of the CCA. Further, this study finds that harmonic responses of the target frequency can be used to enhance the SSVEP detection both for the Gabor transform and CCA. |
Year | DOI | Venue |
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2013 | 10.1109/EMBC.2013.6610397 | EMBC |
Keywords | Field | DocType |
eye,gabor transform,recognition accuracy,signal denoising,medical signal detection,neurophysiology,visual target,electroencephalography,target frequency detection,medical signal processing,harmonic response,visual evoked potentials,steady state visual evoked potential detection,empirical mode decomposition,ssvep detection enhancement,gaussian window,transforms,canonical correlation analysis,intrinsic mode function,eeg scale signal recording,correlation methods,attention-related neural activity quantification,harmonic analysis,correlation,time frequency analysis,accuracy,visualization | Computer science,Canonical correlation,Frequency detection,Artificial intelligence,Gabor transform,Electroencephalography,Computer vision,Neurophysiology,Pattern recognition,Harmonic,Speech recognition,Gaussian,Hilbert–Huang transform | Conference |
Volume | Issue | ISSN |
2013 | null | 1557-170X |
Citations | PageRank | References |
1 | 0.46 | 4 |
Authors | ||
6 |
Name | Order | Citations | PageRank |
---|---|---|---|
Liya Huang | 1 | 5 | 1.17 |
Xiaoxia Huang | 2 | 6 | 2.20 |
Yijun Wang | 3 | 308 | 46.68 |
Yijun Wang | 4 | 66 | 15.92 |
Tzyy-Ping Jung | 5 | 1410 | 202.52 |
Chung-Kuan Cheng | 6 | 2314 | 285.85 |