AnnotateAmplitudeParams

Namespace: RTPROCESSINGLIB  ·  Library: DSP Library

#include <dsp/annotate_artifact.h>

struct UTILSLIB::AnnotateAmplitudeParams

Parameters for amplitude-based annotation.

src/examples/ex_dsp_artifacts/main.cpp

AnnotateAmplitudeParams amplitude;
amplitude.flat = 1e-12; // consecutive samples within 1 pV of each other
QStringList flatChannels;
const FiffAnnotations flatSpans = annotateAmplitude(loose, info, kSFreq, amplitude, &flatChannels);

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Example

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

Used in examples

ex_dsp_artifacts

Artifact detection and repair with the dsp library on a recording with planted defects.

src/examples/ex_dsp_artifacts/main.cpp, line 219

MatrixXd loose = data;
loose.row(3).segment(250, 50).setConstant(loose(3, 250));
AnnotateAmplitudeParams amplitude;
amplitude.flat = 1e-12; // consecutive samples within 1 pV of each other
QStringList flatChannels;
const FiffAnnotations flatSpans = annotateAmplitude(loose, info, kSFreq, amplitude, &flatChannels);
ok &= expect(flatSpans.size() == 1 && flatSpans[0].description == "BAD_flat" && std::abs(flatSpans[0].onset - 1.0) < 1e-12 && flatChannels == QStringList({"EEG2"}),
             QString("annotateAmplitude: %1 flat span(s), bad %2").arg(flatSpans.size()).arg(flatChannels.join(", ")));

Authors of this file

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