Essays about: "Null Space Projection NP"

Found 1 essay containing the words Null Space Projection NP.

  1. 1. Localization of Brain Activity in Electroencephalography Data during Brain-Computer Interface Operation

    University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

    Author : Oskar Hjärtquist; [2011]
    Keywords : P300 ; N200; Event-related potential ERP; Noise Subspace Fitting NSF ; Null Space Projection NP ; Localization; Dipole source; Elec- troencephalography EEG ; Brain-Computer Interface BCI Speller; Technology and Engineering;

    Abstract : In this Master's thesis I present a means of finding active sources of cortical electrical activity from electroencephalogram (EEG) data acquired during operation of a brain-computer interface (BCI). A novel subspace-based technique was used to suppress spatially correlated EEG interference sources, followed by a technique that estimates the source parameters with a near maximum likelihood performance. READ MORE