A reliable brain computer interface implemented on FPGA for mobile dialing system

C. Feng, Jui-Chung Chang, Wei-Chen Chen, W. Fang
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Abstract

This paper demonstrates a high performance brain-computer interface (BCI) that allows users to dial phone numbers. The system is based on Canonical Correlation Analysis (CCA) and Steady-State Visual Evoked Potential (SSVEP). Through six buttons (9Hz, 10Hz, 11Hz, 12Hz, 13 Hz, 14Hz) displayed on the screen, subjects can choose the number by gazing at the computer interface. This proposed EEG (Electroencephalography) system has been implemented in Field-Programmable Gate Arrays (FPGA) and it features high accuracy, integration density, and low cost. These features are meaningful for implementing a real time SSVEP-based BCI.
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一种可靠的移动拨号系统脑机接口的FPGA实现
本文演示了一种允许用户拨打电话号码的高性能脑机接口(BCI)。该系统基于典型相关分析(CCA)和稳态视觉诱发电位(SSVEP)。通过屏幕上显示的6个按键(9Hz、10Hz、11Hz、12Hz、13hz、14Hz),受试者通过注视计算机界面选择数字。该系统采用现场可编程门阵列(FPGA)实现,具有精度高、集成密度高、成本低等特点。这些特性对于实现基于ssvep的实时BCI很有意义。
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