Fig. 3From: Detection of motor imagery based on short-term entropy of time–frequency representationsReassigned Pseudo Wigner–Ville TFR, Rényi entropy and Shannon entropy example for each condition and each direction for amplitude features (Dataset 1), electrode location Cz. a Grand average (across all participants) Reassigned Pseudo Wigner–Ville TFR, baseline period is marked with dashed rectangles (\(t = -3.5\) to \(t = -2\)). b Rényi entropy (left) and Shannon entropy (right) results for Reassigned Pseudo Wigner–Ville from a, for each window length (long window size is 1 s and short window size is 0.5 s)Back to article page