ZAO, JOHN KAR-KIN,邵家健,邵家健,HUANG, YI PAI,黄乙白,黃乙白,JUNG, TZYY PING,锺子平,鍾子平,LIN, FANG CHENG,林芳正,林芳正
申请号：
TW102130259
公开号：
TW201416060A
申请日:
2013.08.23
申请国别(地区):
TW
年份:
2014
代理人:
摘要：
Visual or photic stimuli generating methods, devices and control systems for inducing steady-state visual evoked potential (SSVEP) from human viewers without causing discomfort to the viewers or distorting the embedding images are disclosed. The control system includes a stimuli-generating device and an electroencephalography (EEG) sensing device. The stimuli-generating device includes a first and a second light source. The first light source generates a flickering light with a first wavelength while a second light source generates another flickering light with one or more wavelength(s) differ from that of the first one. Together, the light sources generate visual/photic stimuli flickering above their critical flicker fusion threshold while maintaining the colorfulness and hue of the embedding images. At least one electrode of the EEG sensing device is connected to each viewer, configured to receive and analyze his/her EEG signals in order to detect and determine his/her responses to the stimuli.本發明揭示使用難以察覺的多色彩閃爍光線以引發人類觀看者視覺誘發電位的視覺或光線刺激產生方法、裝置以及其控制系統,而不會導致觀看者不適或將嵌入影像失真。控制系統包括刺激產生裝置以及腦電波感測裝置。刺激產生裝置包括第一光源以及第二光源。第一光源及第二光源分別產生具備第一波長的閃爍光線以及具備不同於第一波長之一或多個波長的另一閃爍光線。這些光源產生高於其臨界閃爍融合頻率閥值的視覺/光線刺激閃爍。腦電波感測裝置的至少一電極配置於觀看者,用以接收並分析他/她的腦電波信號,以偵測及判斷所述刺激的回應。100‧‧‧用於視覺誘發反應的控制系統110‧‧‧刺激產生裝置112‧‧‧第一光源114‧‧‧第二光源116‧‧‧光線刺激編碼器120‧‧‧顯示設備130‧‧‧照明設備150‧‧‧腦電波感測裝置152‧‧‧腦電波感應器154‧‧‧信號處理器156‧‧‧特徵偵測器158‧‧‧狀態分析器160‧‧‧觀看者L1、L2‧‧‧光線T1、T2‧‧‧時脈信號
