Table 2 Multimodal dataset Characteristics.
Sensor type | Sampling rate (Hz) | No. of instances | Features extracted | Pre-processing |
|---|---|---|---|---|
Accelerometer | 100 | 10,000 | Mean, std, Entropy | Noise filter + Normalization |
Gyroscope | 100 | 10,000 | Anglur Velocity Stats | Normalization |
Microphone | 44.1 k | 10,000 frames | MFCC Coefficients | Spectral Denoising |
Temperature | 1 | 10,000 | ΔT Gradient | Min-Max Scaling |
