Decoding of Walking Imagery and Idle State Using Sparse Representation Based on fNIRS

Figure 4

HbO concentration brain topographic map during walking imagery and idle state. (a) HbO concentration brain topographic map of Sub7 (the highest cdSRC classification accuracy); (b) HbO concentration brain topographic map of Sub13 (the lowest cdSRC classification accuracy); (c) brain topographic map of mean HbO concentration of all subjects.

(a)

(b)

(c)