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arXiv 2204.08030cs.CVcs.HC
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自适应任务相关成分分析方法识别SSVEP

An Adaptive Task-Related Component Analysis Method for SSVEP recognition

Information Technologies Institute, Centre for Research and Technology Hellas(希腊研究与技术中心信息技术研究所)

Vangelis P. Oikonomou

摘要:

稳态视觉诱发电位(SSVEP)识别方法具有从受试者的标定数据中学习的能力,在基于SSVEP的脑机接口(BCI)中可以获得极高的识别性能,但如果标定试验不充分,其识别性能会急剧下降。这项研究开发了一种新的方法来学习有限的校准数据,它提出并评估了一种新的自适应数据驱动的空间滤波方法,以提高SSVEP检测。从每个刺激学习的空间滤波器利用来自相应EEG试验的时间信息。为了将时间信息引入到整个过程中,采用了一种基于baidu框架的多任务学习方法。在两个公开的基准数据集上对所提出的方法的性能进行了评估,结果表明,我们的方法明显优于竞争方法。

英文摘要:

Steady-state visual evoked potential (SSVEP) recognition methods are equipped with learning from the subject's calibration data, and they can achieve extra high performance in the SSVEP-based brain-computer interfaces (BCIs), however their performance deteriorate drastically if the calibration trials are insufficient. This study develops a new method to learn from limited calibration data and it proposes and evaluates a novel adaptive data-driven spatial filtering approach for enhancing SSVEPs detection. The spatial filter learned from each stimulus utilizes temporal information from the corresponding EEG trials. To introduce the temporal information into the overall procedure, an multitask learning approach, based on the bayesian framework, is adopted. The performance of the proposed method was evaluated into two publicly available benchmark datasets, and the results demonstrated that our method outperform competing methods by a significant margin.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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