Import, save and add annotations¶
Import annotations from a text file and annotate trials.
All annotations are added to the Annotations/ tab. Then, select a row of the table to jump to it.
Download an example of annotation file : https://drive.google.com/file/d/0B6vtJiCQZUBvMG95RHNXbDEwaGs/view?usp=sharing
from visbrain import Signal from visbrain.utils import generate_eeg sf = 512. # sampling frequency n_pts = 4000 # number of time points n_trials = 125 # number of trials in the dataset """Generate a random EEG vector of shape (n_trials, n_pts). This time, we smooth signals and decrease the noise on it. """ data, _ = generate_eeg(sf=sf, n_pts=n_pts, n_trials=n_trials, smooth=200, noise=1000) """Specify the path to the annotation file : """ annotations = 'signal_annotations.txt' Signal(data, sf=sf, axis=-1, line_lw=2., annotations=annotations).show()
Total running time of the script: ( 0 minutes 0.000 seconds)