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Percent of the noisy measurements (nn1 through nn4) across five different instructed motion artifacts in Data set 2. Noisy measurements were empirically defined as ones having a temporal standard deviation of 7.5% or greater.
| Type of motion | Roll | Pitch | Deep breaths | Body motion | Eyebrow motion |
|---|---|---|---|---|---|
| % Noisy measurements | 49 ± 9% | 47 ± 4% | 41 ± 5% | 51 ± 8% | 39 ± 4% |
