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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 11 of 11 1 Joint Spatial-Spectral Feature Space Clustering for Speech Activity Detection from ECoG Signals Kanas, Vasileios G.; Mporas, Iosif; Benz, Heather L.; Sgarbas, Kyriakos N.; Bezerianos, Anastasios; Crone, Nathan E.. - 2014 Abstract: Brain machine interfaces for speech restoration have been extensively studied for more than two decades. The success of such a system will depend in part on selecting the best brain recording sites and signal features corresponding to speech production. The purpose of this study was to detect speech activity automatically from electrocorticographic signals based on joint spatial-frequency clustering of the ECoG feature space. For this study, the ECoG signals were recorded while a subject performed two different syllable repetition tasks. We found that the optimal frequency resolution to detect speech activity from ECoG signals was 8 Hz, achieving 98.8% accuracy by employing support vector machines (SVM) as a classifier. We also defined the cortical areas that held the most information about the discrimination of speech and non-speech time intervals. Additionally, the results shed light on the distinct cortical areas associated with the two syllable repetition tasks and may contribute to the development of portable ECoG-based communication. Keyword: Article URL: http://www.ncbi.nlm.nih.gov/pubmed/24658248 https://doi.org/10.1109/TBME.2014.2298897 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4005607 BASE Hide details 2 Design and implementation of an electronic lexicon for Modern Greek Tsalidis, Christos; Gakis, Panagiotis; Sgarbas, Kyriakos N.... In: LLC. - Oxford : Oxford Univ. Press 27 (2012) 2, 155-169 BLLDB OLC Linguistik Show details 3 The WATCHER project : building an agent for automatic extraction of language resources from the Internet Sgarbas, Kyriakos N.; Londos, George E.; Fakotakis, Nikos... In: Literary & linguistic computing. - Oxford : Oxford Univ. Press 18 (2003) 4, 449-464 BLLDB Show details 4 The WATCHER Project: Building an Agent for Automatic Extraction of Language Resources from the Internet Sgarbas, Kyriakos N.; Londos, George E.; Fakotakis, Nikos D.... In: Literary & linguistic computing. - Oxford : Oxford Univ. Press 18 (2003) 4, 449-464 OLC Linguistik Show details 5 The WATCHER Project: Building an Agent for Automatic Extraction of Language Resources from the Internet Sgarbas, Kyriakos N.; Londos, George E.; Fakotakis, Nikos D.. - : Oxford University Press, 2003 BASE Show details 6 Incremental Construction of Compact Acyclic NFAs ... Sgarbas, Kyriakos N.; Fakotakis, Nikos D.; Kokkinakis, George K.. - : arXiv, 2002 BASE Show details 7 A Straightforward Approach to Morphological Analysis and Synthesis ... Sgarbas, Kyriakos N.; Fakotakis, Nikos D.; Kokkinakis, George K.. - : arXiv, 2001 BASE Show details 8 A PC-PATR-based syntactic description of Modern Greek Kermanidis, Katia Lida T.; Sgarbas, Kyriakos N.; Fakotakis, Nikos... In: Literary & linguistic computing. - Oxford : Oxford Univ. Press 15 (2000) 3, 291-312 BLLDB Show details 9 A PC-PATR -Based Syntactic Description of Modern Greek Kermanidis, Katia Lida T.; Sgarbas, Kyriakos N.; Fakotakis, Nikos D.... In: Literary & linguistic computing. - Oxford : Oxford Univ. Press 15 (2000) 3, 291-312 OLC Linguistik Show details 10 A PC-KIMMO-based Bi-directional Graphemic-Phonetic Converter for Modern Greek Sgarbas, Kyriakos N.; Fakotakis, Nikos D.; Kokkinakis, George K. In: Literary & linguistic computing. - Oxford : Oxford Univ. Press 13 (1998) 2, 65-76 OLC Linguistik Show details 11 A PC-KIMMO-based Bi-directional Graphemic/PhoneticConverter for Modern Greek FAKOTAKIS, NIKOS D.; SGARBAS, KYRIAKOS N.; KOKKINAKIS, GEORGE K.. - : Oxford University Press, 1998 BASE Show details

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