Orthogonal and Non-Orthogonal Joint Blind Source Separation in the Least-Squares Sense

Marco Congedo (1) , Ronald Phlypo (1) , Jonas Chatel-Goldman (1)

1 GIPSA-VIBS - GIPSA - Vision and Brain Signal Processing

We present two new algorithms for the orthogonal and nonorthogonal joint blind source separation (JBSS), a flexible framework that extends the well-known blind source separation to the case when multiple datasets are decomposed simultaneously. The algorithms minimize the total sum of squares of the off-diagonal terms by means of very simple gradient ascent iterations.

Mots clés: Synchronization; Brain Coupling; Hyperscanning; Joint Blind Source Separation

Domaines: Traitement du signal et de l'image [eess.SP]; Traitement du signal et de l'image [eess.SP]

Marco Congedo, Ronald Phlypo, Jonas Chatel-Goldman. Orthogonal and Non-Orthogonal Joint Blind Source Separation in the Least-Squares Sense. EUSIPCO 2012 - 20th European Signal Processing Conference, Aug 2012, Bucarest, Romania. pp.1885-1889. ⟨hal-00737835⟩