Time Series Forecasting
Keras
English
Turkish
eeg
brain
deeplearning
artificialintelligence
ai
model
emotions
neuroscience
neura
neuro
bci
health
Instructions to use Neurazum/bai-Emotion-6 with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- Keras
How to use Neurazum/bai-Emotion-6 with Keras:
# Available backend options are: "jax", "torch", "tensorflow". import os os.environ["KERAS_BACKEND"] = "jax" import keras model = keras.saving.load_model("hf://Neurazum/bai-Emotion-6") - Notebooks
- Google Colab
- Kaggle
Update README.md
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README.md
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license: cc-by-nc-sa-4.0
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---
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license: cc-by-nc-sa-4.0
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---
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# bai-6 Emotion (TR)
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## Tanım
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bai-6 Emotion modeli, EEG ve iEEG tarafından toplanan veriler ile eğitilen bir detaylı duygu sınıflandırma modelidir. Model, 6 kanallı bir EEG cihazıyla çalışabilir durumdadır.
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## Hedef Kitle
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bai modelleri, herkes için tasarlanmıştır. Açık kaynak versiyonları herkes tarafından kullanılabilir.
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## Sınıflar
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- Sakin
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- Üzgün
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- Kızgın
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- Mutlu
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## Neuramax
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Neuramax-6 Gen1 ile tam uyumlu çalışmaktadır.
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-------------------------------------------------------------------------
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# bai-6 Emotion (EN)
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## Definition
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The bai-6 Emotion model is a detailed emotion classification model trained with data collected by EEG and iEEG. The model can work with a 6-channel EEG device.
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## Target Audience
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bai models are designed for everyone. Open source versions are available for everyone to use.
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## Classes
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- Calm
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- Sad
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- Angry
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- Happy
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## Neuramax
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Fully compatible with Neuramax-6 Gen1.
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-------------
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# bai-6 Emotion v1 Yapısı / Structure
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```bash
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"model_summary":
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"Model: Total params: 5,046 (19.71 KB)
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Trainable params: 5,044 (19.70 KB)
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Non-trainable params: 0 (0.00 B)
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Optimizer params: 2 (12.00 B)",
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"layers": [
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{
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"name": "dense",
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"trainable": true,
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"count_params": 2368
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},
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{
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"name": "dropout",
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"trainable": true,
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"count_params": 0
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},
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{
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"name": "dense_1",
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"trainable": true,
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"count_params": 2080
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},
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| 72 |
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{
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"name": "dropout_1",
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| 74 |
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"trainable": true,
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"count_params": 0
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},
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| 77 |
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{
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"name": "dense_2",
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| 79 |
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"trainable": true,
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"count_params": 528
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},
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{
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"name": "dense_3",
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"trainable": true,
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"count_params": 68
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}
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]
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```
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# Kullanım / Usage
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## 1. Sentetik Veri ile / With Synthetic Data
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```python
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import numpy as np
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import matplotlib.pyplot as plt
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import mne
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from matplotlib.animation import FuncAnimation
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from tensorflow.keras.models import load_model
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import joblib
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class EEGMonitor:
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def __init__(self, model_path, scaler_path):
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self.model = load_model(model_path)
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self.scaler = joblib.load(scaler_path)
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self.ch_names = ['T7', 'C3', 'Cz', 'C4', 'T8', 'Pz']
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self.fs = 1000 # Örnekleme frekansı / Sampling frequency
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self.buffer_size = 1000 # 1 saniyelik buffer / 1 second buffer
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self.raw_buffer = np.zeros((6, self.buffer_size))
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self.feature_contributions = {ch: [] for ch in self.ch_names}
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# Elektrot pozisyonları (10-20 sistemi) / Electrode positions (10-20 system)
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self.montage = mne.channels.make_standard_montage('standard_1020')
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self.fig = plt.figure(figsize=(15, 10))
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self.setup_plots()
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def setup_plots(self):
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self.ax1 = self.fig.add_subplot(223)
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self.ax1.set_title("Canlı EEG Sinyalleri / Live EEG Signals")
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self.ax1.set_xlabel("Zaman (ms) / Time (ms)")
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self.ax1.set_ylabel("Amplitüd (µV) / Amplitude (µV)")
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self.ax2 = self.fig.add_subplot(221)
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self.ax2.set_title("Elektrot Konumları / Electrode Locations")
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self.ax3 = self.fig.add_subplot(224)
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self.ax3.set_title("Elektrot Katkı Oranları / Electrode Contribution Ratios")
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self.ax3.set_ylim(0, 1)
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self.ax4 = self.fig.add_subplot(222)
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self.ax4.set_title("Duygu Tahmin Olasılıkları / Emotion Prediction Probabilities")
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self.ax4.set_ylim(0, 1)
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plt.tight_layout()
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def generate_synthetic_data(self):
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"""Sentetik EEG verisi üretir (6 kanal x 1000 örnek) / Generates synthetic EEG data (6 channels x 1000 samples)"""
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noise = np.random.normal(0, 5e-6, (6, self.buffer_size))
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t = np.linspace(0, 1, self.buffer_size)
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noise[1] += 2e-6 * np.sin(2 * np.pi * 10 * t)
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return noise
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def update_buffer(self, new_data):
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"""Buffer'ı kaydırmalı olarak günceller / Updates the buffer with new data by rolling"""
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self.raw_buffer = np.roll(self.raw_buffer, -new_data.shape[1], axis=1)
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self.raw_buffer[:, -new_data.shape[1]:] = new_data
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def calculate_channel_contributions(self, features):
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"""Her elektrotun tahmindeki katkısını hesaplar / Calculates the contribution of each electrode to the prediction"""
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contributions = np.zeros(6)
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for i in range(6):
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channel_weights = self.model.layers[0].get_weights()[0][i * 6:(i + 1) * 6]
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contributions[i] = np.mean(np.abs(channel_weights))
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return contributions / np.sum(contributions)
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def update_plot(self, frame):
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new_data = self.generate_synthetic_data()
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self.update_buffer(new_data)
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features = self.extract_features(self.raw_buffer)
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scaled_features = self.scaler.transform([features])
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probs = self.model.predict(scaled_features, verbose=0)[0]
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contributions = self.calculate_channel_contributions(features)
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self.update_eeg_plot()
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self.update_topomap()
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self.update_contributions(contributions)
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self.update_probabilities(probs)
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def update_eeg_plot(self):
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self.ax1.clear()
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for i in range(6):
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offset = i * 20e-6
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self.ax1.plot(self.raw_buffer[i] + offset, label=self.ch_names[i])
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self.ax1.legend(loc='upper right')
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def update_topomap(self):
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self.ax2.clear()
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info = mne.create_info(self.ch_names, self.fs, 'eeg')
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evoked = mne.EvokedArray(self.raw_buffer.mean(axis=1, keepdims=True), info)
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evoked.set_montage(self.montage)
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mne.viz.plot_topomap(evoked.data[:, 0], evoked.info, axes=self.ax2, show=False)
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def update_contributions(self, contributions):
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self.ax3.clear()
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self.ax3.barh(self.ch_names, contributions, color='skyblue')
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for i, v in enumerate(contributions):
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self.ax3.text(v, i, f"{v * 100:.1f}%", color='black')
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def update_probabilities(self, probs):
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emotions = ['Mutlu / Happy', 'Kızgın / Angry', 'Üzgün / Sad', 'Sakin / Calm']
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self.ax4.clear()
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bars = self.ax4.barh(emotions, probs, color=['green', 'red', 'blue', 'purple'])
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for bar in bars:
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width = bar.get_width()
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| 202 |
+
self.ax4.text(width, bar.get_y() + 0.2, f"{width * 100:.1f}%", ha='left')
|
| 203 |
+
|
| 204 |
+
def extract_features(self, data):
|
| 205 |
+
"""6 kanal için özellik çıkarımı / Feature extraction for 6 channels"""
|
| 206 |
+
features = []
|
| 207 |
+
for channel in data:
|
| 208 |
+
features.extend([
|
| 209 |
+
np.mean(channel),
|
| 210 |
+
np.std(channel),
|
| 211 |
+
np.ptp(channel),
|
| 212 |
+
np.sum(np.abs(np.diff(channel))),
|
| 213 |
+
np.median(channel),
|
| 214 |
+
np.percentile(np.abs(channel), 95)
|
| 215 |
+
])
|
| 216 |
+
return np.array(features)
|
| 217 |
+
|
| 218 |
+
def start_monitoring(self):
|
| 219 |
+
anim = FuncAnimation(self.fig, self.update_plot, interval=100)
|
| 220 |
+
plt.show()
|
| 221 |
+
|
| 222 |
+
|
| 223 |
+
if __name__ == "__main__":
|
| 224 |
+
monitor = EEGMonitor(
|
| 225 |
+
model_path='model/path/bai-6 Emotion.h5',
|
| 226 |
+
scaler_path='scaler/path/bai-6_scaler.save'
|
| 227 |
+
)
|
| 228 |
+
monitor.start_monitoring()
|
| 229 |
+
```
|
| 230 |
+
|
| 231 |
+
## 2. Veri Seti ile / With Dataset
|
| 232 |
+
```python
|
| 233 |
+
import numpy as np
|
| 234 |
+
import matplotlib.pyplot as plt
|
| 235 |
+
import mne
|
| 236 |
+
from matplotlib.animation import FuncAnimation
|
| 237 |
+
from tensorflow.keras.models import load_model
|
| 238 |
+
import joblib
|
| 239 |
+
import os
|
| 240 |
+
|
| 241 |
+
|
| 242 |
+
class EEGMonitor:
|
| 243 |
+
def __init__(self, model_path, scaler_path, data_path):
|
| 244 |
+
self.model = load_model(model_path)
|
| 245 |
+
self.scaler = joblib.load(scaler_path)
|
| 246 |
+
self.data_path = data_path
|
| 247 |
+
self.ch_names = ['T7', 'C3', 'Cz', 'C4', 'T8', 'Pz']
|
| 248 |
+
self.fs = 1000 # Örnekleme frekansı / Sampling frequency
|
| 249 |
+
self.buffer_size = 1000 # 1 saniyelik buffer / 1 second buffer
|
| 250 |
+
|
| 251 |
+
self.raw_buffer = np.zeros((6, self.buffer_size))
|
| 252 |
+
self.feature_contributions = {ch: [] for ch in self.ch_names}
|
| 253 |
+
|
| 254 |
+
# Elektrot pozisyonları / Electrode positions (10-20 system)
|
| 255 |
+
self.montage = mne.channels.make_standard_montage('standard_1020')
|
| 256 |
+
|
| 257 |
+
self.fig = plt.figure(figsize=(15, 10))
|
| 258 |
+
self.setup_plots()
|
| 259 |
+
|
| 260 |
+
self.dataset = self.load_dataset(self.data_path)
|
| 261 |
+
self.current_index = 0
|
| 262 |
+
|
| 263 |
+
def setup_plots(self):
|
| 264 |
+
self.ax1 = self.fig.add_subplot(223)
|
| 265 |
+
self.ax1.set_title("Canlı EEG Sinyalleri / Live EEG Signals")
|
| 266 |
+
self.ax1.set_xlabel("Zaman (ms) / Time (ms)")
|
| 267 |
+
self.ax1.set_ylabel("Amplitüd (µV) / Amplitude (µV)")
|
| 268 |
+
|
| 269 |
+
self.ax2 = self.fig.add_subplot(221)
|
| 270 |
+
self.ax2.set_title("Elektrot Konumları / Electrode Locations")
|
| 271 |
+
|
| 272 |
+
self.ax3 = self.fig.add_subplot(224)
|
| 273 |
+
self.ax3.set_title("Elektrot Katkı Oranları / Electrode Contribution Ratios")
|
| 274 |
+
self.ax3.set_ylim(0, 1)
|
| 275 |
+
|
| 276 |
+
self.ax4 = self.fig.add_subplot(222)
|
| 277 |
+
self.ax4.set_title("Duygu Tahmin Olasılıkları / Emotion Prediction Probabilities")
|
| 278 |
+
self.ax4.set_ylim(0, 1)
|
| 279 |
+
|
| 280 |
+
plt.tight_layout()
|
| 281 |
+
|
| 282 |
+
def load_dataset(self, path):
|
| 283 |
+
"""Desteklenen veri formatları: .npy (numpy), .csv / Supported data formats: .npy (numpy), .csv"""
|
| 284 |
+
if not os.path.exists(path):
|
| 285 |
+
raise FileNotFoundError(f"Veri seti bulunamadı / Not found dataset: {path}")
|
| 286 |
+
|
| 287 |
+
if path.endswith(".npy"):
|
| 288 |
+
data = np.load(path)
|
| 289 |
+
elif path.endswith(".csv"):
|
| 290 |
+
data = np.loadtxt(path, delimiter=',')
|
| 291 |
+
else:
|
| 292 |
+
raise ValueError("Desteklenmeyen dosya formatı. Yalnızca .npy veya .csv kullanılabilir. / Unsupported file format. Only .npy or .csv can be used.")
|
| 293 |
+
|
| 294 |
+
# Transpose gerekebilir: (n_channels, n_samples) / Transpose may be needed: (n_channels, n_samples)
|
| 295 |
+
if data.shape[0] != 6:
|
| 296 |
+
data = data.T
|
| 297 |
+
return data
|
| 298 |
+
|
| 299 |
+
def get_next_chunk(self):
|
| 300 |
+
"""Veri setinden buffer_size uzunluğunda bir parça alır / Gets a chunk of length buffer_size from the dataset"""
|
| 301 |
+
if self.current_index + self.buffer_size >= self.dataset.shape[1]:
|
| 302 |
+
self.current_index = 0
|
| 303 |
+
chunk = self.dataset[:, self.current_index:self.current_index + self.buffer_size]
|
| 304 |
+
self.current_index += self.buffer_size
|
| 305 |
+
return chunk
|
| 306 |
+
|
| 307 |
+
def update_buffer(self, new_data):
|
| 308 |
+
self.raw_buffer = np.roll(self.raw_buffer, -new_data.shape[1], axis=1)
|
| 309 |
+
self.raw_buffer[:, -new_data.shape[1]:] = new_data
|
| 310 |
+
|
| 311 |
+
def calculate_channel_contributions(self, features):
|
| 312 |
+
contributions = np.zeros(6)
|
| 313 |
+
for i in range(6):
|
| 314 |
+
channel_weights = self.model.layers[0].get_weights()[0][i * 6:(i + 1) * 6]
|
| 315 |
+
contributions[i] = np.mean(np.abs(channel_weights))
|
| 316 |
+
return contributions / np.sum(contributions)
|
| 317 |
+
|
| 318 |
+
def update_plot(self, frame):
|
| 319 |
+
new_data = self.get_next_chunk()
|
| 320 |
+
self.update_buffer(new_data)
|
| 321 |
+
|
| 322 |
+
features = self.extract_features(self.raw_buffer)
|
| 323 |
+
scaled_features = self.scaler.transform([features])
|
| 324 |
+
probs = self.model.predict(scaled_features, verbose=0)[0]
|
| 325 |
+
|
| 326 |
+
contributions = self.calculate_channel_contributions(features)
|
| 327 |
+
|
| 328 |
+
self.update_eeg_plot()
|
| 329 |
+
self.update_topomap()
|
| 330 |
+
self.update_contributions(contributions)
|
| 331 |
+
self.update_probabilities(probs)
|
| 332 |
+
|
| 333 |
+
def update_eeg_plot(self):
|
| 334 |
+
self.ax1.clear()
|
| 335 |
+
for i in range(6):
|
| 336 |
+
offset = i * 20e-6
|
| 337 |
+
self.ax1.plot(self.raw_buffer[i] + offset, label=self.ch_names[i])
|
| 338 |
+
self.ax1.legend(loc='upper right')
|
| 339 |
+
|
| 340 |
+
def update_topomap(self):
|
| 341 |
+
self.ax2.clear()
|
| 342 |
+
info = mne.create_info(self.ch_names, self.fs, 'eeg')
|
| 343 |
+
evoked = mne.EvokedArray(self.raw_buffer.mean(axis=1, keepdims=True), info)
|
| 344 |
+
evoked.set_montage(self.montage)
|
| 345 |
+
mne.viz.plot_topomap(evoked.data[:, 0], evoked.info, axes=self.ax2, show=False)
|
| 346 |
+
|
| 347 |
+
def update_contributions(self, contributions):
|
| 348 |
+
self.ax3.clear()
|
| 349 |
+
self.ax3.barh(self.ch_names, contributions, color='skyblue')
|
| 350 |
+
for i, v in enumerate(contributions):
|
| 351 |
+
self.ax3.text(v, i, f"{v * 100:.1f}%", color='black')
|
| 352 |
+
|
| 353 |
+
def update_probabilities(self, probs):
|
| 354 |
+
emotions = ['Mutlu / Happy', 'Kızgın / Angry', 'Üzgün / Sad', 'Sakin / Calm']
|
| 355 |
+
self.ax4.clear()
|
| 356 |
+
bars = self.ax4.barh(emotions, probs, color=['green', 'red', 'blue', 'purple'])
|
| 357 |
+
for bar in bars:
|
| 358 |
+
width = bar.get_width()
|
| 359 |
+
self.ax4.text(width, bar.get_y() + 0.2, f"{width * 100:.1f}%", ha='left')
|
| 360 |
+
|
| 361 |
+
def extract_features(self, data):
|
| 362 |
+
features = []
|
| 363 |
+
for channel in data:
|
| 364 |
+
features.extend([
|
| 365 |
+
np.mean(channel),
|
| 366 |
+
np.std(channel),
|
| 367 |
+
np.ptp(channel),
|
| 368 |
+
np.sum(np.abs(np.diff(channel))),
|
| 369 |
+
np.median(channel),
|
| 370 |
+
np.percentile(np.abs(channel), 95)
|
| 371 |
+
])
|
| 372 |
+
return np.array(features)
|
| 373 |
+
|
| 374 |
+
def start_monitoring(self):
|
| 375 |
+
anim = FuncAnimation(self.fig, self.update_plot, interval=1000)
|
| 376 |
+
plt.show()
|
| 377 |
+
|
| 378 |
+
|
| 379 |
+
if __name__ == "__main__":
|
| 380 |
+
monitor = EEGMonitor(
|
| 381 |
+
model_path="model/path/bai-6 Emotion.h5",
|
| 382 |
+
scaler_path="scaler/path/bai-6_scaler.save",
|
| 383 |
+
data_path="data/path/npy/or/csv"
|
| 384 |
+
)
|
| 385 |
+
monitor.start_monitoring()
|
| 386 |
+
```
|
| 387 |
+
-------------
|
| 388 |
+
## Lisans/License
|
| 389 |
+
CC-BY-NC-SA-4.0
|