Signal Viewer, Analyzer and Recorder On GPL

software for GNU/Linux, MacOS and MS Windows, based on GPLv3 license.
text of the license is available from https://www.gnu.org/licenses/gpl-3.0.html,
recent versions of software at:


SVAROG.PL

  plotop display control: help antialiasing, lines lines etc.

  zoom zoom of signal epochs

  [FFT] viewing spectrum of selected epoch

  mtg defining montages and frequency filters help; turning filters on flton and off flt

  tools estimation of spectrogram (STFT), wavelet transform (WT), directed transfer function (DTF) and independent component analysis (ICA)

  tools averaging evoked potentials (EP/ERP)

  mtg tagging selected fragments pal defining one's own tags and saving tags in *.tag files

  rec stop cam menu "Online" is active, when drivers and compatible EEG amplifier is configured in the system


Matching Pursuit (MP) decomposition module uses empi code from (https://github.com/develancer/empi) and allows for:

Detailed description of some of these functions can be found in papers freely available from Internet:

  1. R. Kuś, P.T. Różański and P.J. Durka: Multivariate matching pursuit in optimal Gabor dictionaries: theory and software with interface for EEG/MEG via Svarog. BioMedical Engineering OnLine 2013, 12:94 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-94
  2. Electroencephalographic profiles for differentiation of disorders of consciousness Urszula Malinowska, Camille Chatelle, Marie-Aurée Bruno, Quentin Noirhomme, Steven Laureys, Piotr J Durka BioMedical Engineering OnLine 2013, 12:109 (21 October 2013) https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-109
  3. Spindles in Svarog: framework and software for parametrization of EEG transients P.J. Durka, U. Malinowska, M. Zieleniewska, Ch. O'Reilly, P.T. Różański, J. Żygierewicz. Front. Hum. Neurosci., 08 May 2015 https://www.frontiersin.org/articles/10.3389/fnhum.2015.00258