====== Differences ====== This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
brainbeats [2015/10/25 11:57] meinard [Resources] |
brainbeats [2015/10/25 16:17] (current) tpraetzlich [Pro-Processing of EEG data] |
||
---|---|---|---|
Line 3: | Line 3: | ||
| Authors | Sebastian Stober, Thomas Prätzlich, Meinard Müller | | | Authors | Sebastian Stober, Thomas Prätzlich, Meinard Müller | | ||
| Affiliation | University of Western Ontario; International Audio Laboratories Erlangen| | | Affiliation | University of Western Ontario; International Audio Laboratories Erlangen| | ||
- | | Code | [[https://github.com/github/dmca|Github Link]] | | + | | Code | {{::brainbeats.zip| brainbeats.zip}} | |
| Dependencies | [[https://github.com/sstober/openmiir| OpenMIIR Dataset (Github)]] | | | Dependencies | [[https://github.com/sstober/openmiir| OpenMIIR Dataset (Github)]] | | ||
| | [[https://github.com/sstober/deepthought| deepthought project (Github)]] for data export | | | | [[https://github.com/sstober/deepthought| deepthought project (Github)]] for data export | | ||
Line 15: | Line 15: | ||
===== Data ===== | ===== Data ===== | ||
- | The OpenMIIR dataset((Sebastian Stober, Avital Sternin, Adrian M. Owen and Jessica A. Grahn: "Towards Music Imagery Information Retrieval: Introducing the OpenMIIR Dataset of EEG Recordings from Music Perception and Imagination." In: Proceedings of the 16th International Society for Music Information Retrieval Conference (ISMIR’15), 2015. [[ http://ismir2015.uma.es/articles/224_Paper.pdf |Paper]] [[http://bib.sebastianstober.de/ismir2015poster.pdf|Poster]])) comprises EEG recordings((Electroencephalography (EEG) is a popular non-invasive neuroimaging technique that relies on electrodes placed on the scalp to measure the electrical activity of the brain.)) of people listing to 12 short music pieces. | + | The OpenMIIR dataset((Sebastian Stober, Avital Sternin, Adrian M. Owen and Jessica A. Grahn: "Towards Music Imagery Information Retrieval: Introducing the OpenMIIR Dataset of EEG Recordings from Music Perception and Imagination." In: Proceedings of the 16th International Society for Music Information Retrieval Conference (ISMIR’15), 2015. [[ http://ismir2015.uma.es/articles/224_Paper.pdf |Paper]] [[http://bib.sebastianstober.de/ismir2015poster.pdf|Poster]])) comprises EEG recordings((Electroencephalography (EEG) is a popular non-invasive neuroimaging technique that relies on electrodes placed on the scalp to measure the electrical activity of the brain.)) of people listening to 12 short music pieces. |
The following figure shows the waveform of the acoustic stimulus (waveform of a music recording) and the EEG signal. | The following figure shows the waveform of the acoustic stimulus (waveform of a music recording) and the EEG signal. | ||
Line 32: | Line 32: | ||
{{:brainbeats_wiki_figure_3.png?400|}} | {{:brainbeats_wiki_figure_3.png?400|}} | ||
- | ===== Pro-Processing of EEG data ===== | + | ===== Pre-Processing of EEG data ===== |
Our idea is to apply similar techniques to the EEG data. However, | Our idea is to apply similar techniques to the EEG data. However, | ||
Line 40: | Line 40: | ||
the signal by subtracting a kind of moving average curve. | the signal by subtracting a kind of moving average curve. | ||
- | {{:brainbeats_wiki_figure_4.png?400|}} | + | {{:brainbeats_wiki_figure_4.png?300|}} |
===== Tempogram for EEG data ===== | ===== Tempogram for EEG data ===== | ||
Line 50: | Line 50: | ||
===== Resources ===== | ===== Resources ===== | ||
- | The MATLAB code and the data used for generating the above figures can be found here. | + | The MATLAB code and the data used for generating the above figures can be found {{::brainbeats.zip| here}}. |
The algorithmic details are described in the original article by Grosche and Müller((Peter Grosche and Meinard Müller: "Extracting Predominant Local Pulse Information from Music Recordings." IEEE Transactions on Audio, Speech, and Language Processing, 19(6): 1688—1701, 2011.)) | The algorithmic details are described in the original article by Grosche and Müller((Peter Grosche and Meinard Müller: "Extracting Predominant Local Pulse Information from Music Recordings." IEEE Transactions on Audio, Speech, and Language Processing, 19(6): 1688—1701, 2011.)) | ||
and in the textbook Fundamentals of Music Processing((Meinard Müller: "Fundamentals of Music Processing: | and in the textbook Fundamentals of Music Processing((Meinard Müller: "Fundamentals of Music Processing: | ||
Audio, Analysis, Algorithms, Applications." Springer, 2015. [[https://www.music-processing.de |Link]])). | Audio, Analysis, Algorithms, Applications." Springer, 2015. [[https://www.music-processing.de |Link]])). |