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BF++ 2.0: The Body Language Framework

The Body Language Framework (BF++, Bianchi et al., 2003) is a collection of software modules, libraries and tools for the analysis and implementation of Brain Computer Interfaces (BCIs). It is composed by two main modules:

  • The NPX Lab Suite, formed by:
    • NPX Lab, which is a set of software tools for the analysis, editing and reviewing of EEG, MEG, ERP, EMG, ICA, CSP, etc... data;
    • several additional utilities for analyses (e.g. spatial filters), file conversion, etc...;
  • The BF++ Toys, which is a collection of small applications specifically designed for the analysis, evaluation, simulation and optimization of BCIs.

Their relationships are illustrated in the following chart.

 

BFPP 

 

The NPX Lab Suite 2012 includes several tools for the analysis of EEG, ERP, BCI (and many more) signals. It is formed by a collection of tools which provide outstanding capabilities FOR FREE!



 

EEG/MEG/EKG/ERP/EMG review and analysis 

 

Trace view 

  • Very powerful events editing: merge, split, count, rename, logical operations, etc..
  • Spatial filters (Laplacian, ICA, CSP, CAR)
  • 2-D and 3-D Mappings
  • Spectral Analysis (with coherence)
  • Spectral Cartooning
 

Independent Component Analysis (ICA)

 

Advanced ERP Analysis:

  • Powerful Segmentation and event selection capabilities
  • Partial Artifact Removal
  • Conditioned Averaging
  • Statistics! 
 

Spectral Analysis 

  • Power, Amplitude, Phase (v 2.0), Coherence
  • 2-D and 3-D Maps
  • Statistics
  • Comparison
 

Cross Platform XML file format (NPX)

 
Supported files formats are:
  • NPX (NeuroPhysiological data in XML)
  • EDF (European Data Format)
  • GDF (General Data Format)
  • BCI2K (BCI 2000)
  • BVA (Brain Vision Analyzer)
  • GNT and .NET (EBNeuro)
  • TRC (Micromed)
  • NSC (Neuroscan)
  • CFT MEG File
  • WAV (Microsoft wave format)
  • ASC, TXT (ASCII, with very powerful formatting capabilities)
  • BDF (Biosemi)
  • g.tec (HDF5 based)
  • ...
  • YOU MAY REQUEST SUPPORT FOR YOUR FILE FORMATS! 
 

 

 

 

 

 

 

 

 

BF++ Toys:

  • XML conforming file formats
  • Encoder generators
  • Optimizers
  • Simulators
  • Performance evaluation
  • Analyzers

 

EEG-fMRI Tools 

  • Artifact Removal
  • Data Analysis
  • Statistics
  • Spectral Analysis
  • ERP
  • P300 Protocol Optimizer
  • BCI related tools
  

UML Modeling (Unified Modeling Language):

A complete functional model of a BCI was developed with:

  • Class Diagrams;
  • Sequence Diagrams;

THEN it was implemented in C++

  

Cross Platform Development:

 Standard C++ low level API

  • Supports different compilers
  • Supports different Operating Systems

XML based technology

XML file formats  for saving data

  • XML Schemas for validating them
  • XSLTransformation for visualizing them
  • SVG graph
  • XForms for XML file creation
  
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