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LiesIsLeuk committed Aug 7, 2023
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3 changes: 3 additions & 0 deletions content/dataset.md
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The training set can be downloaded here, using the password which will be provided to all registered teams: [ICASSP-2023-eeg-decoding-challenge-dataset](https://kuleuven-my.sharepoint.com/:f:/g/personal/lies_bollens_kuleuven_be/EkaIjOmoPIRHmYLdLK8b2VQBY_2ouqNSnHHTHyRl3Zn-2w?e=KhX7d0)

For more details concerning the dataset, we refer to [the dataset paper](https://www.biorxiv.org/content/10.1101/2023.07.24.550310v1).



# EEG

Electroencephalography (EEG) is a non-invasive method to record electrical activity in the brain, which is generated by ionic currents that
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4 changes: 4 additions & 0 deletions content/homepage_sections/general_description.md
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description: "General description"
---

## This Challenge is finished
This webpage describes the ICASSP Auditory EEG version of 2023. This challenge is now closed. Browse to The [new challenge page](https://exporl.github.io/auditory-eeg-challenge-2023/)
for the ICASSP Auditory EEG 2024 challenge. This page will not be updated or maintained any further.

## Challenge Call

Various neuroimaging techniques can be used to investigate how the brain processes sound.
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3 changes: 2 additions & 1 deletion content/homepage_sections/leaderboard.md
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## Get started

1) Send a mail to [[email protected]]([email protected]) with the names of the team members, emails, and affiliations. You will receive a password to download the data
2) Download the data from [ICASSP-2023-eeg-decoding-challenge-dataset](https://kuleuven-my.sharepoint.com/:f:/g/personal/lies_bollens_kuleuven_be/EkaIjOmoPIRHmYLdLK8b2VQBY_2ouqNSnHHTHyRl3Zn-2w?e=KhX7d0)
2) Download the data from [https://rdr.kuleuven.be/dataset.xhtml?persistentId=doi:10.48804/K3VSND](our official repository) or get the already zipped files from [ICASSP-2023-eeg-decoding-challenge-dataset](https://kuleuven-my.sharepoint.com/:f:/g/personal/lies_bollens_kuleuven_be/EkaIjOmoPIRHmYLdLK8b2VQBY_2ouqNSnHHTHyRl3Zn-2w?e=KhX7d0)
- **split_data(.zip)** contains already preprocessed, split and normalized data; ready for model training/evaluation. If you want to get started quickly, you can opt to only download this folder/zipfile.
- **preprocessed_eeg(.zip)** and **preprocessed_stimuli(.zip)** contain preprocessed EEG and stimuli files ( speech envelope and mel spectrogram features) respectively. At this stage data is not yet split into different sets and not normalized. To go from this to the data in **split_data.zip**, you will have to run _task*/create_data/split_and_normalize.py_ for the task you want to work on.
- **raw_eeg(_x.zip)** and **stimuli(.zip)** contain the raw EEG and stimuli files. If you want to process the stimuli files, you can run _task*/create_data/speech_features.py_. Speech Envelope and/or mel spectrogram features will be stored in the processed_stimuli. Currently, no preprocessing code is made available to preprocess EEG, so you will have to write your own implementation or use the precomputed processed_eeg folder.

For more details concerning the dataset, we refer to [the dataset paper](https://www.biorxiv.org/content/10.1101/2023.07.24.550310v1).

3) Clone the starting code from our [github repository](https://github.com/exporl/auditory-eeg-challenge-2023-code) and get started.
The repository contains preprocessing code, as well as baseline models for each of the tasks.
12 changes: 0 additions & 12 deletions content/homepage_sections/timeline.md
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description: "Timeline"
---


## Timeline (anywhere on earth)

- November 21, 2022: Registration opens
- November 21, 2022: Release of training set, code, baseline methods and documentation
- January 6, 2023: Release of evaluation test set
- February 6, 2023: Deadline for submitting results for both tasks
- February 20, 2023: ICASSP 2023 grand challenge 2-page paper deadline (top 5 teams only)
- March 7, 2023: ICASSP 2023 grand challenge 2-page paper acceptance notification
- March 14, 2023: ICASSP 2023 grand challenge 2-page camera-ready deadline
- June 4-8, 2023: ICASSP 2023 conference
- August 9, 2023: IEEE open journal of signal processing grand challenge papers deadline
2 changes: 1 addition & 1 deletion content/task1/description.md
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For test set 2, some stimuli have already appeared in the training set, but the subjects are unseen.


For these test sets, we will provide pairs of (EEG, stimulus 1, and stimulus 2), with a length of 3 seconds, each with a unique identifier
For these test sets, we provide pairs of (EEG, stimulus 1, and stimulus 2), with a length of 3 seconds, each with a unique identifier
and a subject identifier. As an output, participants should submit a json dictionary file to an online form on our website which contains the
predicted label for all EEG segments. Each entry in the submitted dictionary should be of the form **(EEG ID) : (label)**. The label is 0 if stimulus 1 matches EEG and 1 if stimulus 2 matches EEG. In case of absent EEG ID entries, the sample will be assigned the wrong label. Labels should be either 0 or 1.

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3 changes: 2 additions & 1 deletion content/task1/scores_task1.json

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3 changes: 2 additions & 1 deletion content/task1/scores_task1_means.json

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8 changes: 4 additions & 4 deletions layouts/shortcodes/chart_1.html
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{{ $w := default "100" (.Get 0) }}
{{ $h := default "300" (.Get 1) }}
{{ $h := default "600" (.Get 1) }}
{{ $r := ( .Inner | chomp) }}
{{ $seed := "foo" }}
{{ $id := delimit (shuffle (split (md5 $seed) "" )) "" }}
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const boxplotData = {
// define label tree
labels: groupNames,
labels: groupNames.slice(10),
datasets: [{
label: 'Test set 1: held-out stories',
backgroundColor: 'rgba(255,0,0,0.5)',
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outlierColor: 'rgba(255,0,0,0.5)',
padding: 10,
itemRadius: 0,
data: withinResults
data: withinResults.slice(10)
}, {
label: 'Test set 2: held-out subjects',
backgroundColor: 'rgba(0,0,255,0.5)',
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outlierColor: 'rgba(0,0,255,0.5)',
padding: 10,
itemRadius: 0,
data:heldoutResults
data:heldoutResults.slice(10)
}]
};
var ctx = document.getElementById("canvas").getContext("2d");
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8 changes: 4 additions & 4 deletions layouts/shortcodes/chart_2.html
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{{ $w := default "100" (.Get 0) }}
{{ $h := default "300" (.Get 1) }}
{{ $h := default "600" (.Get 1) }}
{{ $r := ( .Inner | chomp) }}
{{ $seed := "foo" }}
{{ $id := delimit (shuffle (split (md5 $seed) "" )) "" }}
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const boxplotData = {
// define label tree
labels: groupNames,
labels: groupNames.slice(4),
datasets: [{
label: 'Test set 1: held-out stories',
backgroundColor: 'rgba(255,0,0,0.5)',
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outlierColor: 'rgba(255,0,0,0.5)',
padding: 10,
itemRadius: 0,
data: withinResults
data: withinResults.slice(4)
}, {
label: 'Test set 2: held-out subjects',
backgroundColor: 'rgba(0,0,255,0.5)',
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outlierColor: 'rgba(0,0,255,0.5)',
padding: 10,
itemRadius: 0,
data:heldoutResults
data:heldoutResults.slice(4)
}]
};
var ctx = document.getElementById("canvas").getContext("2d");
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