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Traffic signs detection is a key part of traffic signs recognition system. We propose an improved approach for traffic signs detection based on significant color extraction and geometric features. Firstly, we use a median filter to remove the noise. Secondly, we calculate the quadratic weighting difference of R, G and B in RGB color space to extract the significant color of the traffic sign. Thirdly,...
Color change detection is of great importance in the study of automatic visual processing mechanisms. Although the visual mismatch negativity (vMMN) has been widely explored, the importance of induced components and the precise oscillations of EEG signal have been ignored. In the present study, we conducted the event-related (de)synchronization (ERD/ERS) of the EEG oscillatory activities relevant...
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