InfomaxResult

Namespace: RTPROCESSINGLIB  ·  Library: DSP Library

#include <dsp/extended_infomax.h>

struct UTILSLIB::InfomaxResult

Result structure for Extended Infomax ICA.

src/examples/ex_dsp_preprocessing/main.cpp

const MatrixXd centered = mixed.colwise() - mixed.rowwise().mean();                            // infomax expects zero-mean data
const InfomaxResult infomax = ExtendedInfomax::compute(centered, 3, 500, 0.1, 1e-7, true, 42); // the 0.001 default is too slow here

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Example

• Full source: src/examples/ex_dsp_preprocessing/main.cpp
• Build target: ex_dsp_preprocessing (runs under CTest)

Used in examples

ex_dsp_preprocessing

Preprocessing tools of the dsp library on synthetic data with a known ground truth.

src/examples/ex_dsp_preprocessing/main.cpp, line 135

const MatrixXd centered = mixed.colwise() - mixed.rowwise().mean();                            // infomax expects zero-mean data
const InfomaxResult infomax = ExtendedInfomax::compute(centered, 3, 500, 0.1, 1e-7, true, 42); // the 0.001 default is too slow here
ok &= expect(infomax.converged && worstRecovery(infomax.matSources, sources) > 0.99,
             QString("extended Infomax recovers the sub-Gaussian sources (worst |r| %1)").arg(worstRecovery(infomax.matSources, sources)));

Authors of this file

• Christoph Dinh <christoph.dinh@mne-cpp.org>