馃弮 Human Activity Recognition
Model: Bidirectional LSTM | Window: 20 samples (0.5 s @ 40 Hz)
Activities: Cycling 路 Pushup 路 Run 路 Squat 路 Table Tennis 路 Walk
Expected columns: X1 Y1 Z1 X2 Y2 Z2 X3 Y3 Z3 X4 Y4 Z4 X5 Y5 Z5
Minimum 20 rows required (one row = one 25 ms snapshot at 40 Hz).