Steady-State Motion Visual Evoked Potential (SSMVEP) Enhancement Method Based on Time-Frequency Image Fusion

Figure 4

The power spectrum results of 20 targets under (a) T-F image fusion, (b) CCA fusion, (c) minimum energy fusion, and (d) maximum contrast fusion (the discrete sequence frequency values from left to right are {7 8 9 10 7.2 8.2 9.2 10.2 7.4 8.4 9.4 10.4 7.6 8.6 9.6 10.6 7.8 8.8 9.8 10.8} Hz, respectively).

(a)

(b)

(c)

(d)