🧠
Biomedical Signal Denoising Lab
Interactive noise injection & smoothing filter evaluation — ECG · EEG · EMG
App 2 / 2
ECG (500 Hz)
EEG (256 Hz)
EMG (2000 Hz)
⚡ Noise / Artifact Sources
🔧 Smoothing Filter
Moving Avg
Gaussian
Savitzky-Golay
Median
⚙️ Processing Mode
Zero-phase (filtfilt) — offline only
Show clean reference
📈 Performance
—
SNR gain (dB)
—
MSE reduction (%)
—
Group delay (ms)
—
~–3dB cutoff (Hz)
▶ Animate
↺ Reset
⚡ ECG Signal
Time Domain
🔍 Zoomed View
First 20% of signal
🌐 Frequency Domain
FFT Magnitude (dB)
❤️ ECG Clinical Context:
Loading...