{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T09:18:39Z","timestamp":1768295919066,"version":"3.49.0"},"reference-count":41,"publisher":"World Scientific Pub Co Pte Lt","issue":"03","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Neur. Syst."],"published-print":{"date-parts":[[2016,5]]},"abstract":"<jats:p> Although the inter-subject information has been demonstrated to be effective for a rapid calibration of the P300-based brain\u2013computer interface (BCI), it has never been comprehensively tested to find if the incorporation of heterogeneous data could enhance the accuracy. This study aims to improve the subject-specific P300 classifier by adding other subject\u2019s data. A classifier calibration strategy, weighted ensemble learning generic information (WELGI), was developed, in which elementary classifiers were constructed by using both the intra- and inter-subject information and then integrated into a strong classifier with a weight assessment. 55 subjects were recruited to spell 20 characters offline using the conventional P300-based BCI, i.e. the P300-speller. Four different metrics, the P300 accuracy and precision, the round accuracy, and the character accuracy, were performed for a comprehensive investigation. The results revealed that the classifier constructed on the training dataset in combination with adding other subject\u2019s data was significantly superior to that without the inter-subject information. Therefore, the WELGI is an effective classifier calibration strategy which uses the inter-subject information to improve the accuracy of subject-specific P300 classifiers, and could also be applied to other BCI paradigms. <\/jats:p>","DOI":"10.1142\/s0129065716500106","type":"journal-article","created":{"date-parts":[[2016,1,11]],"date-time":"2016-01-11T02:12:59Z","timestamp":1452478379000},"page":"1650010","source":"Crossref","is-referenced-by-count":21,"title":["Incorporation of Inter-Subject Information to Improve the Accuracy of Subject-Specific P300 Classifiers"],"prefix":"10.1142","volume":"26","author":[{"given":"Minpeng","family":"Xu","sequence":"first","affiliation":[{"name":"Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, P. R. China"}]},{"given":"Jing","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, P. R. 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