Table 1.
Laplacian filter coefficients. Ck = electrode k signal.
| Ck | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cout | F3 | F4 | T7 | C3 | CZ | C4 | T8 | PZ |
| C3 | −0.25 | 0 | −0.25 | 1 | −0.25 | 0 | 0 | −0.25 |
| CZ | −0.2 | −0.2 | 0 | −0.2 | 1 | −0.2 | 0 | −0.2 |
| C4 | 0 | −0.25 | 0 | 0 | −0.25 | 1 | −0.25 | −0.25 |
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